Cure Heat Soak - Intake Block Off Plate

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Muscle Car Solutions

Muscle Car Solutions

3 жыл бұрын

Block off plates on intake manifolds shouldn’t be hard, right?? Well there are some details to think about and even if you get the wrong gasket set, theres a few things you can do to make sure you have the right set up for your engine.
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#intakemanifold #blockoff #heatsoak

Пікірлер: 120
@stevebrown8299
@stevebrown8299 Ай бұрын
I like this channel, working on an old 350 truck. Had to go thur everything, rolling restoration over years. Problems everywhere, watching your videos has really helped. Thank you
@MuscleCarSolutions
@MuscleCarSolutions Ай бұрын
Glad to hear it! Thank you!
@67Redlines
@67Redlines 7 ай бұрын
Your explanation and clever way of blocking the exhaust from going into the Intake Manifold is genius. Good explanation and video. These are the kind of videos that help an individual step through and understand a subject matter. Great Video.
@oantech4252
@oantech4252 3 жыл бұрын
I only use Felpro blue gaskets. I throw out the front and rear rubber rail gaskets and run a 1/4" bead of "The Right Stuff" form a gasket on each rail. Let it sit for 15 minutes and drop the intake in place and tighten it up. A perfect seal and no oil seepage. I also find it necessary to re-torque the intake after initial run-in only with aluminum intakes for whatever reason. I have had water leak into the combustion chamber and show up at the tail pipe before re-torque. This is from years of Chevrolet experience. I hope it helps someone.
@MuscleCarSolutions
@MuscleCarSolutions 3 жыл бұрын
For sure an old trick that takes care of those pesky front and rear seals. Thought of doing that video but there seems like there is a hundred of them on KZfaq. 😆 Hope everyone knows that one by now! It saves a ton of frustration and mess to clean up!
@ohm1945
@ohm1945 2 жыл бұрын
Retorque the intake manifold bolts. Never read that in any workshop manual but it makes sense with an expanding contracting aluminium. Point noted and thanks.
@urcarsucks6959
@urcarsucks6959 11 ай бұрын
I have a weiand tunnel ram with Brodix heads on one of my small blocks. For whatever reason, the space between the intake and block at the front and rear was seemingly larger than usual...would have taken a very tall bead of RTV. I've had trouble with RTV beads sealing in the past, and given how much RTV it would take, I opted for a new method. A fairly tall bead of RTV paired with cork gaskets. Works very well, no leaks whatsoever
@zumintroy
@zumintroy Жыл бұрын
The heat crossover is used to heat the floor of the intake manifold so that any liquid fuel that has separated from the mixture will be vaporized. This becomes more of a problem as the air temperature gets colder than 50 deg F.
@mikef-gi2dg
@mikef-gi2dg 3 ай бұрын
I did the exact thing many many years ago, I lost the set that came with the gaskets, and I made some up. I worked great. I have been restricting the cross over more and more over the years, especially with stock intakes, with no issues at all. These engines don't get run with freezing temps out side anyway. I have recently modified several aluminum and iron factory intakes to resemble performer type intakes, and have eliminated the cross over entirely. For my mild performance SBC engines, I think it will work out fine. I going for the stock looking performance sleeper look. Time will tell.
@dewholdingsllc1050
@dewholdingsllc1050 Жыл бұрын
Good tips. I like the recycled can.
@Driven_Dragon
@Driven_Dragon Жыл бұрын
I love Gasgacinch! I use it on both sides of any fuel related gasket. Never have ANY vacuum leaks EVER. Best insurance and makes the gaskets reusable as well.
@MuscleCarSolutions
@MuscleCarSolutions Жыл бұрын
It’s a great product no doubt.
@jacobsabian4386
@jacobsabian4386 Жыл бұрын
i used an old license plate cut the exact same way and used rtv to keep it stuck to the gasket on installation 👍
@masonite1973
@masonite1973 Ай бұрын
Nice, I had the same thought on this Oldsmobile 350 I am working on. Glad to hear it worked for you
@IronHorseGarage
@IronHorseGarage 3 жыл бұрын
This is some great information!!! Keep it coming!!!
@MuscleCarSolutions
@MuscleCarSolutions 3 жыл бұрын
Very much appreciate that. Thank you! I’ve got quite a few ideas of stuff to share. Just hope to have time to get it all done!
@robertclymer6948
@robertclymer6948 3 жыл бұрын
Good Stuff! Was not aware of this Mod, but I am now. Thanks for sharing! Blessings from Motown.
@MuscleCarSolutions
@MuscleCarSolutions 3 жыл бұрын
Anything to keep the heat out of the manifold! And making them is just a result of trying to get a manifold on and not having the block off plates! Gotta get creative sometimes! Thanks for stopping by again Robert!
@robertclymer6948
@robertclymer6948 3 жыл бұрын
@@MuscleCarSolutions I really appreciate a man that can think on his feet. I fab tools, rather then spend tons on something I might use once or twice. If I owned a welder, I would be a mad scientist in the garage. lol
@MuscleCarSolutions
@MuscleCarSolutions 3 жыл бұрын
@@robertclymer6948 I grew up poor. You had to get creative if you wanted something. lol Hard work creates opportunity!
@seanjohnson6899
@seanjohnson6899 7 ай бұрын
Used stainless steel shim cut to fit and copper rtv to close off the heat cross over from the stock heads to my new edelbrock performer intake manifold on my 390fe. Not sure how much it helps with horsepower but living in Southern California it can't hurt.
@larryburns4605
@larryburns4605 10 ай бұрын
If not in cold climate use felpro 1204
@shoe2241
@shoe2241 2 жыл бұрын
thank you sir, very nice video !!!
@RealWorldGarage
@RealWorldGarage 3 жыл бұрын
Well laid out video and voice over.
@MuscleCarSolutions
@MuscleCarSolutions 3 жыл бұрын
Very much appreciate that! Thank you!!
@xexdsr
@xexdsr 2 жыл бұрын
I've cut up a beer can once and it worked pretty good
@MuscleCarSolutions
@MuscleCarSolutions 2 жыл бұрын
Too thin for any long term use for me. I’ve seen single layer cans burn through. If I were to use I’d at least double em up. Maybe more.
@rivernorcal679
@rivernorcal679 2 жыл бұрын
Yeah buddy! Thanks!
@jameshoneyc
@jameshoneyc 3 жыл бұрын
Some guys are welding theirs closed. I think I'll do this less permanent and a lot easier. Thanks for the video.
@sbcbuilds5517
@sbcbuilds5517 2 жыл бұрын
Requires zero machining too. Welding them shut is just an entire different ball game. Not even worth it for an everyday build lol
@Mattys91gt
@Mattys91gt Жыл бұрын
What did u use to block off the hole mines on a foxbody mustang
@hotrodray6802
@hotrodray6802 Жыл бұрын
It's also for prevention of carburetor venturi ice. Remember the exhaust manifold flapper valve? But heating the carb also happens in the summer Remember the exhaust manifold heated snorkels on the air filters? That helped too.
@MuscleCarSolutions
@MuscleCarSolutions Жыл бұрын
That was very relevant back when there was lead in the fuel. With todays ethanol added fuel? Not so much.
@MarcBchannel
@MarcBchannel 11 ай бұрын
Ive heard that the power loss of running the crossover with a tight lsa cam is considerable compared to a wide lsa or stock type cam.
@stephenvanvliet9812
@stephenvanvliet9812 10 ай бұрын
I’ve seen a few of your videos. Always great job explaining what’s going on. This video speaks to the exact question I have right now. I have a pretty stock 350 sbc, maybe a mild cam in there (not sure exactly) with original heads that have the crossover port. I bought the airgap intake manifold and the AVS2 carburetor. The intake as you probably know does not have the port. I’ve gotten a few answers here. Edelbrock told me I can use their gasket and simply cut out the perforated box and just let the crossover port blow straight into the aluminum blocked off material on the intake. I currently have the felpro 1204 gasket that has the metal blocking. Which I believe is what you refer to in this video. Can you simply provide your opinion towards my plan that I would be good with original head with open crossover to 1204 feltpro with blocked off metal square, sandwiched under the airgap with no port?
@jamesharrison6201
@jamesharrison6201 Жыл бұрын
Heat crossover has nothing to do with leaded vs unleaded but as you said it's there to help vaporize the incoming fuel for better distribution to all cylinders. Of course the alcohol will vaporize faster than the gas but not enough to affect performance. When you begin to block off the crossover is in racing applications
@MuscleCarSolutions
@MuscleCarSolutions Жыл бұрын
Leaded fuels didn’t have the heat soak issues that ethanol added fuels do. No, not just “racing applications” need to heat cross over blocked. Heat soak is an issue even in the mildest street applications. All goes back to that awful ethanol fuel. Performance isn’t the factor. It’s the boiling of the fuel in the carburetor after the engine is brought to operating temperature then shut off.
@3DInterceptor
@3DInterceptor 3 жыл бұрын
So what thickness was the can you cut up ??
@robertclymer6948
@robertclymer6948 Жыл бұрын
hello again! Could you please tell me how thick the piece of aluminum was from the Jasco Acetone can? I see you check with your micrometers but you didn't say. Would really appreciate the thickness please. Really appreciate it. I am ready to install my permormer rpm on my 460 big block in the next day or so. Cheers from Motown.
@71lemans
@71lemans 2 жыл бұрын
Stainless steel kick plate off a door works great
@josephgenovese1146
@josephgenovese1146 3 жыл бұрын
Great video those exhaust crossover is about 20 horsepower loss
@MuscleCarSolutions
@MuscleCarSolutions 3 жыл бұрын
It would be an interesting dyno test to see if any or how much is lost.
@jackjenkins4784
@jackjenkins4784 2 жыл бұрын
Hi, I have a 1984 C10 305 V8 Original, Cast Iron Intake, Electric choke, small metal line comes off the exhaust below the exhaust manifold for helping warm up engine( when cold closes when hot opens) works off vacuum on exhaust on passenger side. Has EGR Valve on cast Iron intake, but I have Removed smog control. Will it be safe or important to close off the heat cross over on this cast iron intake before reinstalling? Thanks for info
@oldmanintheshopbuiltnotbou8726
@oldmanintheshopbuiltnotbou8726 3 жыл бұрын
Good tip just subbed
@MuscleCarSolutions
@MuscleCarSolutions 3 жыл бұрын
Cool! Glad to have you here!
@1lowz634
@1lowz634 2 жыл бұрын
I need to do that today I have a 84 or 85 Camaro 305 ho factory GM intake I'm putting on my V8 Blazer it's got Street fire MSD distributor Patriot headers 650 Edelbrock avs2 but I had my stock TBI intake manifold with an adapter so basically it was like a two barrel intake I think I blew my intake gaskets Monday so while I'm at it I'm going ahead and putting that four barrel intake but I was noticing the intake runners being blocked off on the back of the TBI intake but the back of this 305 ho intake doesn't have the flow in the back of it but I was noticing the exhaust crossover I want to block that off what metal did you use or how thick I probably got something else I can use so how thick
@triumph928
@triumph928 3 жыл бұрын
Always used old license plates to make block off plates. Never had one leak or burn out.
@MuscleCarSolutions
@MuscleCarSolutions 3 жыл бұрын
Well that would certainly be thick enough!
@maxxmasson4263
@maxxmasson4263 Жыл бұрын
Great tip
@hybridmusclegarage4590
@hybridmusclegarage4590 3 жыл бұрын
Great info. I always block mine off
@MuscleCarSolutions
@MuscleCarSolutions 3 жыл бұрын
Always so when I go to an aluminum intake. Sometimes don’t if doing a stock engine.
@eddierios5371
@eddierios5371 Жыл бұрын
Do you block one side only or the restricter have to have a small hole
@hybridmusclegarage4590
@hybridmusclegarage4590 Жыл бұрын
@@eddierios5371 with or without small hole is ok. I do completely blocked(no hole)
@jamessiro5409
@jamessiro5409 Жыл бұрын
Do you put the plate in the head side of the gasket
@victorrobinette114
@victorrobinette114 10 ай бұрын
I have some galvanized steel that gauge.017 thou. Is that to thick. What gauge do you recommend besides a Acetone can. Thanks
@lildeena1
@lildeena1 2 жыл бұрын
Awesome!
@MuscleCarSolutions
@MuscleCarSolutions 2 жыл бұрын
Thank you
@paulrivas5214
@paulrivas5214 7 ай бұрын
I just used a two block off plates and the dry fitted the intake and it’s not sitting flush. Is that gonna be an issue or would it sit flush once I tighten it down?
@briang4470
@briang4470 3 жыл бұрын
You should add a little disclaimer that if your running a hot air or divorced style carb choke, that you cannot eliminate the crossover or the choke will never work properly. But I understand that 95% of people with these old school engines are either using an electric choke,manual choke or no choke at all so for those folks it doesnt matter but there are still guys, my self included that still have a divorced choke system which I think works well and in the mid to late 70s there were alot of "hot air" style chokes where a steel tube was placed in the cross over amd air would be pulled through that heated tube and warm the choke spring so for those applications a heat cross over is necessary.
@MuscleCarSolutions
@MuscleCarSolutions 3 жыл бұрын
It’s a valid point, however there are only just a very small numbers of aftermarket intakes out that have a provision for the divorced choke. This performer EPS does not. I don’t disagree that the divorced style choke works extremely well. On a stock intake there are endless numbers of those in the 60s and 70s that used that style and for sure you can’t block off its source for heat. Had I done gaskets on the stock intake that would have been a highlight of the discussion as this truck had the divorced choke Qjet.
@briang4470
@briang4470 3 жыл бұрын
@@MuscleCarSolutions I have an old edelbrock performer aluminum qjet style dual plane on my c10 and it has the pedestal for the divorced choke spring to mount to. I have an early 1968 qjet with the divorced choke and I bought edelbrock part number 1931 which comes with the choke spring and rod and got the whole choke system to work just like stock and it works great, it was one of the best things I ever did because when I first got the engine it had the choke wired open and the idle circuits on the qjets are so lean that it didn't want to idle until the intake got a little heat in it and after making the choke work properly it works almost as good as fuel injection. Just 1 pump in normal weather 2 pumps in very cold weather and starts right up and warms up quickly.
@MuscleCarSolutions
@MuscleCarSolutions 3 жыл бұрын
@@briang4470 yup, most likely it’s the old 2101. Great intake. The EPS is the upgrade to that intake. The 2101 had the mount for the divorced choke but the newer version doesn’t. I love the simple solution they created for the choke back then. Kind of hard to argue with how well they work!
@onsturn
@onsturn 9 ай бұрын
Would blocking off the crossover for the old school divorced choke intakes running above 50-degrees really be a concern?
@beking32
@beking32 Ай бұрын
I left mine off my stock 4.9 Cadillac engine. Will this cause issues?
@stevekline1171
@stevekline1171 2 жыл бұрын
good job , but will this work with a big block olds motor with the aluminum valley pan .
@MuscleCarSolutions
@MuscleCarSolutions 2 жыл бұрын
Don’t have a clue! Anything with a valley pan is a bit of a challenge.
@user-bc9sx1ze4i
@user-bc9sx1ze4i 5 ай бұрын
Always block it off, now days. Also old cast iron intakes crack underneath the carb and will cause vacuum leak in the crossover area.
@johnweaver8470
@johnweaver8470 3 жыл бұрын
Could you do a video on carburetor icing, it's a real headache on my old 4x4 Chevy 454 and edelbrock carb ,is it because I'm using a open air cleaner with out a heat duct from the exhaust to the factory air cleaner? Thanks for the videos and advice
@MuscleCarSolutions
@MuscleCarSolutions 3 жыл бұрын
I’ve really only experienced this on motorcycles. How frequently is this happening for you?
@johnweaver8470
@johnweaver8470 3 жыл бұрын
@@MuscleCarSolutions in the winter when it's in the 20,s and snowing when I need it the most can actually see frost on front of the carb I have to let it run for awhile shut it off for 5 minutes then it's good to go for the rest of the day, live in Washington state lots of humidity if that makes a difference seems like it's not a problem when it gets down in the 20,s cold and dry air thanks again for responding, I'm usually asking you something about my 68 396 Camaro
@zumintroy
@zumintroy Жыл бұрын
Yes
@JARRETT7121
@JARRETT7121 8 ай бұрын
A lot of heat soak is determined by how much muffler exhaust restriction there is Free flowing aftermarket exhaust versus Factory choke off exhaust
@MuscleCarSolutions
@MuscleCarSolutions 8 ай бұрын
Kind of. But even with a free flowing exhaust and the cross over blocked, heat soak is still a very real issue. Thankfully there are some good solutions.
@Ecosse57
@Ecosse57 3 жыл бұрын
​ @Muscle Car Solutions nice and straight forward. i've got a car never driven in the cold months and with a cast iron intake; should i bother with a block-off?
@MuscleCarSolutions
@MuscleCarSolutions 3 жыл бұрын
I’m not sure I’d crack into an engine just to put the block off plates in, but it could help with getting a cooler fuel and air charge. Don’t know how much of a difference it would make.
@Ecosse57
@Ecosse57 3 жыл бұрын
@@MuscleCarSolutions basically stock ford 302 right now with factory 289 4 bbl intake. wonder if a insulating plate between carb and carb base would help. i'm not having any heat issues but anything cheap to help is worth looking in too. thanks man for chiming in. great channel!
@MuscleCarSolutions
@MuscleCarSolutions 3 жыл бұрын
@@Ecosse57 absolutely! I’ve done a video on how to cure heat soak addressing things to do with the carburetor. Isolating the heat from the carb is an excellent idea. Ethanol boils at 180 degrees. Anything to help that survive will keep things running smooth. Thanks for watching! Very much appreciate it!
@seanbrooks9308
@seanbrooks9308 3 жыл бұрын
@@Ecosse57 Might wanna consider a 1/2 inch or better phenolic spacer from Ebay.. then look there for Fuel Insulation line covers... Easier than being stuck in traffic with car dying in summer, or go in store for 15 minutes, come out and car not start...
@stuckinmygarage6220
@stuckinmygarage6220 3 жыл бұрын
@@Ecosse57 Do it. Your car(b) will love you. Watch for hood clearance.
@diesel1586
@diesel1586 2 жыл бұрын
Nice
@deerslayer5863
@deerslayer5863 3 жыл бұрын
I used pop can block offs after a while they burn throw
@MuscleCarSolutions
@MuscleCarSolutions 3 жыл бұрын
Yup. The aluminum is just too thin. Made that mistake before too! Always learn something.
@deerslayer5863
@deerslayer5863 3 жыл бұрын
@@MuscleCarSolutionsnow i just go buy those alumiun braseing rods fill up the ports grind it flat and call it a day works great
@MuscleCarSolutions
@MuscleCarSolutions 3 жыл бұрын
Whatever is cheap and easy!
@canyondanhandyman1784
@canyondanhandyman1784 Ай бұрын
You mentioned Fel pro 1204 kits which look like they have the crossover blocking plates included. Have you used the 1204 gasket kits? Do you like em? I could still order those for my 69 C-20 with 400 SB Thanks!
@MuscleCarSolutions
@MuscleCarSolutions Ай бұрын
They’re good. Though I end up using the Edelbrock intake gaskets on every intake I do now. They match the ports perfectly. I looked at a C20 this week. Was just a little too far gone for me.
@redlineexteriorwashing8764
@redlineexteriorwashing8764 2 жыл бұрын
Interesting, I actually purchased "1205" gaskets for this problem, but I realized I wasted my money. The 1205 are for performance intakes the don't have a crossover. There is no reinforced metal inside the 1205 Gasket that sheilds crossover, Its just a gasket that doesn't have a crossover because it is meant to be installed against solid metal of a high performance intake, I think this is important for newbs like myself. If I'm wrong please someone correct me. I am setting aside my 1205s and staring at an almost empty can of Denatured Alcohol and standard Blue Felpros I have from the rebuild kit.
@davidrowland2354
@davidrowland2354 Жыл бұрын
1204
@mikesautomaintenance5780
@mikesautomaintenance5780 2 жыл бұрын
So I just pulled my old man's intake off to replace the gaskets why would the back water ports be blocked off ? 93 350 tbi
@MP-io7yj
@MP-io7yj 2 жыл бұрын
The intake probably doesn't have water ports in lot of them were sealed off
@mikesautomaintenance5780
@mikesautomaintenance5780 2 жыл бұрын
@@MP-io7yj it has water ports on the intake I guess I should of said why is the gaskets back water ports blocked off they had the little metal block off plate like he shows on here with the little pinhole through it on the gasket itself not the intake
@Aceman597
@Aceman597 5 ай бұрын
Im thinking top or bottom of tuna , soup , chili can.
@MuscleCarSolutions
@MuscleCarSolutions 5 ай бұрын
Probably work just fine.
@stuckinmygarage6220
@stuckinmygarage6220 3 жыл бұрын
Good point: aluminum intake and today's fuels. Thank you
@MuscleCarSolutions
@MuscleCarSolutions 3 жыл бұрын
Gotta keep fighting that ethanol! Thanks man!
@davidrowland2354
@davidrowland2354 Жыл бұрын
Felpro 1204
@steveproctor1748
@steveproctor1748 2 жыл бұрын
Just cut a piece out of the old gasket. It will make your exhaust smell kind of rich.
@RickyJimenez-tn8gy
@RickyJimenez-tn8gy 2 жыл бұрын
What was the thickness of the material you used?
@MuscleCarSolutions
@MuscleCarSolutions 2 жыл бұрын
One acetone can thick!
@jonjon5302
@jonjon5302 15 күн бұрын
@@MuscleCarSolutions thank for the video, You measured it with a micrometer... so what was the thickness?
@tylerdavidson4645
@tylerdavidson4645 Жыл бұрын
hey man fyi your using left handed snips and i noticed you seem to be right handed snips are color coded red - right handed green- left handed yellow - straight
@tylerdavidson4645
@tylerdavidson4645 Жыл бұрын
not saying your doing it wrong just some useless info lol
@MuscleCarSolutions
@MuscleCarSolutions Жыл бұрын
Nope. You’re 100% correct. I have all three. The green ones were my Dads and I still instinctively reach for them. More precise work I’ll dig out the counterclockwise or straights.
@armandomendoza3167
@armandomendoza3167 2 жыл бұрын
Does this help with vapor lock issues?
@MuscleCarSolutions
@MuscleCarSolutions 2 жыл бұрын
It helps isolate the heat from the manifold, yes. Which will help with heat soak issues in the carburetor.
@armandomendoza3167
@armandomendoza3167 2 жыл бұрын
@@MuscleCarSolutions Thank you for sharing your valuable knowledge and wisdom.
@MuscleCarSolutions
@MuscleCarSolutions 2 жыл бұрын
Anytime! Glad to be helpful to you!
@maxxmasson4263
@maxxmasson4263 Жыл бұрын
It should help since the plenum under the carburetor will be cooler
@jimstewart8394
@jimstewart8394 2 жыл бұрын
i have found that annular boosters don't work without heat crossover, just my one time experience.
@MuscleCarSolutions
@MuscleCarSolutions 2 жыл бұрын
How do you come to that conclusion?
@jimstewart8394
@jimstewart8394 2 жыл бұрын
@@MuscleCarSolutions i welded the holes up in my edelbrock intake and changed to annular booster then would not run worth a crap, changed back to down leg and runs fine that's with 2300 holley using the same carb
@MuscleCarSolutions
@MuscleCarSolutions 2 жыл бұрын
Your problem isn’t with the cross over. There’s another issue here. Going from a 4 barrel down to a 2 barrel didn’t correct it. It’s covering up what the actual issue is. So many questions.
@jamesharrison6201
@jamesharrison6201 Жыл бұрын
In addition, my 77 Ltd 11 was upgraded to a Torker 2 manifold and never had a problem,, worry about crossover on a aluminum manifold. Will say fuel mileage went from 15mpg at 60 to 18-19 at 80. You youngsters, to me, worry way to much about nothing.
@MuscleCarSolutions
@MuscleCarSolutions Жыл бұрын
The torker intakes didn’t have a heat cross over, so nothing to block to stop the excess heat into the manifold. Your mpg claims are not possible. Not with that god awful torker intake.
@PrTOSHIBA
@PrTOSHIBA 3 ай бұрын
I used a soda can before. It didn't last haha
@MuscleCarSolutions
@MuscleCarSolutions 3 ай бұрын
Yeah that thin aluminum doesn’t stick around very long!
@seanbrooks9308
@seanbrooks9308 3 жыл бұрын
Hell... my '72 Monte Carlo stock with Rochester 2BBL needs this done. Instead putting phenolic spacer on carb, fuel pump, and some insulation I got on Ebay for exposed fuel lines... and on top of that, got myself a marine inline bildge pump blower to mount on frame to blow on fuel pump to help keep cooler... running 3 inch line to front of car to pull air from. Yep, maybe overkill, but you sit on side of road waiting for everything to cool down in Texas Summer heat so car can be started in rush hour traffic!!!..... Go Biden/Harris... make america suffer.
@MuscleCarSolutions
@MuscleCarSolutions 3 жыл бұрын
Oh I understand. The heat in the mid south isn’t much better. Anything to keep these things cool!
@44hawk28
@44hawk28 Жыл бұрын
Leaded gas has nothing whatsoever to do with it. If you're running a carburetor in the carburetor has to run on the street, you better have it or you're going to be spending a lot of time fixing problems due to fuel that doesn't a demise well especially the summer blend that they insist on people running anymore. Summer-blend, by Design, does not vaporize as easily as winter-blend fuel. And yet, they charge you more for the summer blend fuel that you will get a little bit less fuel mileage with. I don't mind the idea of restricting how much heat goes through that passage, but blocking it off is a recipe for racing, not for driving it and day-to-day activities. Because you have to keep the carburetor warm especially in any kind of low temperatures. And if you are looking for fuel mileage, you do have to keep that fuel warm as it tries to cool the intake air charge as its vaporizing. Remember that gasoline, in and of itself, does not burn. Only the vapors burn.
@MuscleCarSolutions
@MuscleCarSolutions Жыл бұрын
I’m afraid leaded/ethanol fuels has everything to do with it. In the 60s when lead was present in the fuel, it had a higher boiling point and wanted more of that engine heat to start the process for a more effective burn. Ethanol contaminated (and it is an awful contamination) fuel has a much lower boiling point and doesn’t require that same amount of heat. If all things from the 60s till now remained the same, then yes we wouldn’t be having these issues with todays fuel. Eliminating as much of the heat source as possible is what allows todays engines with a carburetor to operate easier. We fight this daily with folks asking how to keep their carburetors from boiling over. Blocking the crossover is an excellent way to help block some heat.
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