@@cuttersperformance looking at getting an old set of brodix 867 finished out as their bare castings. Do you have any contact info I can reach you by? Thanks!
@maxhames499Ай бұрын
I know this is an old video. But my dna heads are still holding up. 383 stroker. Thanks. I bought these heads because of you. 400 dollars. 600 for porting. 160 shipping. 300 for pro 5 angle and back cut tulip valves. 500 for small parts. I was using vortecs. These blew them away. I kept the 2.02 valves.
@shitbox822 жыл бұрын
I have a set of the no name eBay 200 cc aluminum heads, same castings as the enforcers I believe, this is encouraging, pretty decent mid lift numbers. 👍🏻
@andrewsteele28002 жыл бұрын
Great job Pat! Just shows how important the valve job is. I’m learning how to do it myself with neway cutters. Can’t wait for the 355 Dingle ball vortec !!!!
@WTFAUTO2 жыл бұрын
Cant wait too see this engine all together
@inscoredbz2 жыл бұрын
I have a set of these with the dual (standard and vortec) intake bolt pattern. They have a . 100" raised intake port, I'm not sure if yours are the same, but I used a 1205 and port matched them to the 1205 and knoched the intake bolt holes out to work. It made a nice port. I opened the pinch up a little, smoothed out the bowls, smoothed and softened the guide bosses, and blended the chambers. I used pbm backcut valves that lowered the chamber volume by 3-4 cc's to get 10.5-1 compression on a flat top 383 with a .038" quench. All this with a port matched victor Jr and a comp cams er294hr hydraulic roller cam. I think it should put out at least 475 hp if I can get the tune right with 1 5/8 headers and an 850 carb. It should have plenty torque as well. They need a 2.08" intake valve because of the shitty throat that is the worst thing about these heads and are still better than anything procomp has to offer.. Eric Weingartner did a set of these that flowed damn near 300cfm for his sister's 355. They're a dart platinum 200cc copy and a dart cnc program will service these heads perfectly. The spark plugs is moved about 1/8 inch is the biggest difference. I personally don't think the dart 200 heads flows that great either, but we don't race flow benches or dyno's. Lol
@bdugle12 жыл бұрын
You mentioned gasket matching the intake after doing the heads. I would think going from smaller to larger at the intake port/cylinder head port junction would actually help, a bit of anti-reversion. Like everyone else I can hardly wait to see the dyno results, should be a very nice combo! Thanks!
@cuttersperformance2 жыл бұрын
The old sang is a step is always better than a wall when it comes to intake to head alignment. (Aka a smaller intake port is better than a smaller head port) But personally im a believer is the smooth transition between the two if possible. Im still playing catch up with other projects for customers but this will be the next one to hit the dyno Cheers!
@gordocarbo11 ай бұрын
Bought a set of proheder months after they came out Depends where you get these...mine had avery nice velve job on it still had it checked. After porting first pass I got 308int and 230 at 600 with only a few cc removed. #'s were consistent with a 195c comp port and carried til .750 Lots of potential with min removal in the right places. VJ on those (vid) is horrid glad you went after it. A proper one can net as much as 25 cfm. The drill lappers will never understand this and unseat the other cuts doing this lol. Your getting better man keep up the good work
@jamespepper25412 жыл бұрын
I'm building a 327 small journal and, I was thinking about getting the DNA performance heads and run a hydraulic roller cam. 😀
@yurimodin73332 жыл бұрын
love the channel Pat. I am getting ready to start working on my 350 Vortec thanks to your videos.
@ljchavz862 жыл бұрын
Love this channel. also can’t wait for the numbers.
@mayhemmotorsports70022 жыл бұрын
Nice work sir. Thanks for flow numbers.
@rightsidelanechoice7702 Жыл бұрын
Hey Salami Slicer, if your bowl is even the slightest bit larger than your seat the air will go turbulent right where the step is at. You’ll start to get de atomization of your fuel.
@rightsidelanechoice7702 Жыл бұрын
You can open up the chamber below the deck surface to de shroud that intake valve at lower lift.
@MrBlackbutang2 жыл бұрын
Absolutely Feckin Awesome name ! My uncle call me back in the 60s
@cuttersperformance2 жыл бұрын
Amazing! Haha "you little piss cutter" I actually heard that first from a ole school mechanic, but apparently its a old sang and often used in the military for a type of formal hat
@shoominati232 жыл бұрын
I used the FLo-Tek 1200-505-Angle plug on my 355. I've got a Lunati 101020704 hyd. flat tappet camshaft, performer RPM airgap knock-off intake and a FST 750 manual secondary carb (Holley's work well but the primaries are about the size of dimes and then when the secondaries open they're like 3x the size! whereas these both are the same size and the price was right and they look well made and work well from all reports) and Hedman 1 5/8" headers with a 10.2 static comp. Hope to make at least 430 if I do bother taking it to the dyno
@shoominati232 жыл бұрын
Might try your Summit cam if it runs well!
@justrelaxand69 Жыл бұрын
You are very knowledgeable and i really enjoy you videos!!! Can i use these heads on a vortec 880 block that doesn't have the coolant bypass hole?
@cuttersperformance Жыл бұрын
Yeah, I ran these heads on an 880 vortec block
@justrelaxand69 Жыл бұрын
@PISS-CUTTER Performance yes you did.. shortly after I wrote the question to you I seen the video of the 355 build you did. You're awesome man keep it up.
@classicwefi2 жыл бұрын
Those flow numbers are in the neighborhood of the AFR 195 street eliminater nice job , they should do nicely .
@cuttersperformance2 жыл бұрын
Yeah not too bad for a 2.02 valve on a cheap head Cheers!
@rotaxtwin2 жыл бұрын
Heads look great, with your massaging they should do just fine. I'm looking forward to the build coming together too! Gonna a see some dyno time?
@cuttersperformance2 жыл бұрын
Yeah this engine will be hitting the dyno! I will be sure to get cranking compression, and vaccum readings at idle on the dyno aswell for the guys looking to duplicate this combo Cheers!
@rightsidelanechoice7702 Жыл бұрын
A bigger intake Valve would be shrouded even worse than what you have now.
@keokib75752 жыл бұрын
Just wondering how much would a machine shop charge for what you did here? Would it be better to just go with the eliminator heads
@MEANSTREETAUTO454 Жыл бұрын
I wonder what the math is for adding the valves and other components plus the valve job ? These are 400 a set now ,then you need springs , valves, studs , plates etc . Perhaps just getting a good bolt on set might be better .
@cuttersperformance Жыл бұрын
Yeah especially at the price of these castings now
@tomrose629210 ай бұрын
I heard you say peak was @650.but where did it stop making large gains,because when you stop making big gains you have a parasitic power loss due to compressing 16 springs or (32) if you have double springs with that much weight being taken from the engine due to the loss of compressing then without flow gains also.so your sweet spot as far as that goes im guessing the magic lift would be around 550 to 575.
@flinch6222 жыл бұрын
It would be interesting to see these as cast/before pushrod clearance is cut. They seem like 1206 is a stretch for the pinch point because of their cut?
@cuttersperformance2 жыл бұрын
It is abit but i found it was the best option for port alignment
@danhoy83562 жыл бұрын
Great information
@EricErnst Жыл бұрын
What valvetrain components did you use on these heads? I found out an old set of iron heads are cracked so I ordered a pair of these. I have comp cams beehive valvesprings and retainers and locks. What spring locator and screw-in rocker studs do you recommend? I already have 1.6 roller rockers for 3/8" rocker studs so I'd prefer to stay away from 7/16". Self-aligning so no guide-plates. My old 1.94/1.5 valves are no good on these heads either.. and I'm looking for valve seals as well. Cam is a Comp cams xfi252hr. 202/212@.050". .550"/.546". It's going on a 2bbl gm tbi truck motor from the early 90s. My retainers and springs and locks are pn 787-16 for the retainers, Pn 648-16 locks, And 26986-16 for valvesprings. Again, I'm looking for a pn for spring locators, 3/8" screw in rocker studs, and valve seals, and valves for these heads. Thanks, your videos are informative and inspirational. I can't wait to see how much power the turbo combo will make.
@cuttersperformance Жыл бұрын
Did you happen to see this video? Should answer your questions kzfaq.info/get/bejne/gNCGl8enyNusoYk.html
@EricErnst Жыл бұрын
@@cuttersperformance yes. I just found it. Thank you for your help selecting components. I knew I'd seen a list but couldn't remember where. I just ordered a set of valves and locators and seals.. What are your recommendations on rocker studs?
@cfrank9252 жыл бұрын
How much hp are the stock ARF enforcer heads capable of as cast and set up by them?
@cuttersperformance2 жыл бұрын
Approx 500 to 515hp potential in stock form
@cfrank9252 жыл бұрын
@@cuttersperformance thanks for the info! These will definitely meet my needs.
@puppygadget3189 Жыл бұрын
Just at beginning of this video but sure makes a good amount of difference using a good flowing valve and not what would come with these assembled right?
@cuttersperformance Жыл бұрын
I can't say for all these budget assembled heads, but most won't have backcut intake valves
@racerd96699 ай бұрын
You must have 1000s of dyno pulls to develop ports like that?
@sarsavage Жыл бұрын
Do you really need to do the valve job? Just clean up & get new valves + l00 length & new seals & new dual springs etc, will it work?
@RonaldLewis-py6yt9 ай бұрын
I want to see this engine on the dyno!@😊😊
@cuttersperformance9 ай бұрын
kzfaq.info/get/bejne/kNF0lNKbt8_IpYk.html
@RonaldLewis-py6yt9 ай бұрын
Thanks for sharing, I watched it closely, I got a 030 flat top 350 880 block and 186 ported with a performer intake that needs some help!! Lol love your tech
@fukemallgarage2 жыл бұрын
Love the series Pat. I recently picked up a super clean 99 Yukon. It is going to be my first project and have been reading a bunch or different info in building a vortec 880 casting block. Regarding the cylinder heads I'd like to stick with an aftermarket vortec with bigger valves. Is there anything that you would recommend or better yet possibly sell me a pair that could bolt right on. Thanks for what you do.
@cuttersperformance2 жыл бұрын
Man you may want to consider using your vortecs, get the checked out if they aren't cracked you can make them into a great set of heads. I like going to a 1.6 exhaust valve and leaving the 1.94 intake valve. Abit of porting, some beehive springs 👍 I don't currently have any heads for sale unfortunately Cheers! Pat
@fukemallgarage2 жыл бұрын
@@cuttersperformance Thanks Pat, I appreciate it. Keep it up buddy, stay safe
@chrisreynolds65202 жыл бұрын
These work great on a Vortec build. I have a set flowing 291 cfm @ 0.500 and 299 cfm @ 0.600 that were ported by Lloyd Elliot. I have a 218/228 @ 0.050 cam on a 108 LSA with 1.7 rockers for 0.578" lift. Rhoads V-Max hydraulic roller lifters adjusted cold 0.016" off the bottom of their travel. On an 11:1 6" rod 383. Ported Vortec intake with a 48 lb/hr high flow spider, 80mm throttle body and custom 4" air intake with a 100mm MAF. Tuned with a 2005 P59 PCM using a Mexican GMT800 L31 tune as a starting point. Thorley Tri-Y headers into the factory dual 3" exhaust piping to the muffler. High flow cats and a walker dynomax bus muffler. All shoved into a 1997 Express van with a 2,800 stalled 4L85E and 4.10 geared 10.5" 14-bolt behind it. kzfaq.info/get/bejne/gJqmZ71q16evmaM.html
@fukemallgarage2 жыл бұрын
@@chrisreynolds6520 thanks for the info, that van sounds great in the video
@chrisreynolds65202 жыл бұрын
@@fukemallgarage Thanks man! What that 383 sounds like idled down to 600 rpm with it fully warmed up. kzfaq.info/get/bejne/fLZ1qM5pzc_GgJs.html
@franciscohuerta9860 Жыл бұрын
Yo pat nice vids .
@maldo722 жыл бұрын
cool info
@Connor4x411 ай бұрын
How do you think the DNA motoring heads would hold up to boost? Supercharger of course.
@cuttersperformance11 ай бұрын
I boosted this set of heads in the dyno and made 700hp/700ftlbs. Check out my channel for that video
@Connor4x411 ай бұрын
@@cuttersperformance I'll have to check that out. Thanks!
@vtoutlaw54462 жыл бұрын
I'm interested in some of your beehive springs kits for a small block Chevy
@cuttersperformance2 жыл бұрын
Hey man! Currently no stock on the kits unfortunately
@nashvilleoutlaw2 жыл бұрын
I really can't help but wonder what these would flow with the clean up like you did here but with the 2.05/1.6 valves and cut the throats for a 2.08 and 1.65 valve.
@cuttersperformance2 жыл бұрын
They would do alot better with a larger intake valve on the flow bench
@nashvilleoutlaw2 жыл бұрын
@@cuttersperformance if only my set up didn't require the 75cc chamber I'd probably go with the enforcers.
@nashvilleoutlaw Жыл бұрын
If anyone is wondering what would happen if you cut the throat larger than usual for whatever size valve. It decreases flow when the throat is more than 91% of the valve size because it doesn't leave enough meat to round the transition from throat to seat. That leaves a sharper edge that henders flow
@blownaway43712 жыл бұрын
Thank you for all the videos! Just picked up a pair of 305 vortec's. And wondered what's your part number(s) for the bee-hive springs? I'm installing on a forged .060 283/Comp 268. Gotta run better than older 416's (?) Plus the vortec's have hardened seats right? Thanks again.
@cuttersperformance2 жыл бұрын
Actually im just finishing up a video on 416s (305 HO) heads vs the 305 vortecs on the flow bench. With some porting to see what the 416s can do. Yeah the 059 (305) vortecs have induction hardened seats Cheers!
@blownaway43712 жыл бұрын
@@cuttersperformance AWESOME 😎 I've been porting my own stuff for decades. Never had any issues. I also have 2 sets of the 416 ho's (Ho ho ho😜)
@chrisreynolds65202 жыл бұрын
520s or 059s run better than 081s or 601s that run better than 416s.
@kashmirkitty77892 жыл бұрын
ello piss cutter i like to know if you be interest in a set of corvette 128 case L98 i have new bronze glide for them i have 300 in parts include the heads i like to sell them close to what i have in the glides. the glide were 200.00 so if you know some one to buy them also a older nice shape edelbrock intake CB-3 for 125.00 and other chevy parts crank and rods .060 seal power FT pistons soif you are interest i have a pistons on Craigslist Milwaukee wi. Thanks Terry
@rudyjhughes Жыл бұрын
What are you using for your valve jobs?
@chehystpewpur47542 жыл бұрын
are you going to have to worry about dropping valve seats with the reduced material above the seat? i wonder if that little bit of extra is for when the heads heat up and expand it can still hold the seat in on that side.
@cuttersperformance2 жыл бұрын
Its a very slight amount of material removed as your just blending the edge. More material would be taken off if you went up to a 2.05 valve than the bit of blending. I dont foresee any issues here but i like your thinking Cheers!
@chehystpewpur47542 жыл бұрын
@@cuttersperformance i feel a little bit better about it then. i know you deff know your stuff. ive just seen so many alu heads that dropped valve seats even stock id be so weary about it. really good gains from the heads though. i was drooling but i think im sticking with modded vortecs when i go bigger on those
@inscoredbz Жыл бұрын
Which intake gaskets did you use? I used 1205 but the port is raised . 100". I notched the intake gasket bolt holes but I'd like a better solution.
@cuttersperformance Жыл бұрын
I finshed the set for the youtube 355 to a 1206 gasket. The bowl is already oversized abit for a 2.02 valve so almost all the flow increase I got was opening up the oddly shaped intake port to a 1206
@inscoredbz Жыл бұрын
@@cuttersperformance did you notice those heads having a .100" raised intake runner? I port mated to a 1205 and gasket matched to a Victor Jr, opened up the pinch, slicked the bowles, guides and ports down. I noticed they could use a 2.08 intake valve to fix the bowl/throat problem. The problem I'm thinking of now is if I want to go to a rpm airgap, I'm worried the ports won't line up. The airgap has a bigger port opening than the Victor Jr. Thinking of taking them off and lowering the port opening to a 1206 now while it's on the stand verses taking them off in the car.
@cuttersperformance Жыл бұрын
Yeah a 2.08 valve would be a great move if you were going for all out power Im not sure if you have the DNA heads or similar but alot of these off brand heads seem to have oddly shaped and placed intake ports. For me the 1206 worked out really nicely and I ported aligned it with a Edelbrock air gap
@inscoredbz Жыл бұрын
@@cuttersperformance what I have is the same as the afr enforcer heads, skip white, assault ect. These are known to have a 100" raised intake port. Kinda makes intake choices a pain in the ass. What surprised me was the rpm airgap having a bigger port opening than the Victor Jr.
@chickenfoundation93232 жыл бұрын
I read on forums that people use a valve train kit from competition products, do you know what part number for hydraulic roller? Also do they need +.1 valves and rods?
@cuttersperformance2 жыл бұрын
I will be making a video on everything i put on the heads, i ended up using beehives on these ones. Yes you will need +.100 valves
@michaellopez550 Жыл бұрын
I can't find ant DNA heads that are 64 cc do you any part numbers for sbc heads that are 64 cc
@cuttersperformance Жыл бұрын
They advertise them at 68cc I believe but they are usually 64 to 65 cc in reality
@b.c40662 жыл бұрын
Lighter valve train= ability to run less valve spring= less parasitic loss= less heat= more rpm potential before valve float sets in. I know you know that, but you shouldn't downplay the significance of a lighter valve train, plus the machining from afr is usually very good, the valves are high quality. When starting with the assault racing head, to bring it to the same spec afr does would be difficult to do for the diy guy and would likely cost more than the package from afr. It is huge bang for the buck. And if the diy guy does some basic bowl work they are even better than afr advertised specs.
@cuttersperformance2 жыл бұрын
O i totally agree but heres the way I look at it: Most guys looking at heads in this range are running hydraulic roller or flat tappet cams with operating ranges under 7000 rpm. At this point there's really not a huge need to lighten up the valve train as there will be no benefits found, and often times springs are spec'd basically the same at this level given your cam type. So I'm just trying to let guys know that they don't have to go to a 8mm stems as it will be added costs with no real benefit in my opinion (Alot of guys think they add flow) but its great that the afr heads come with them already. As mentioned in a previous video i totally agree that the AFR head is a better product overall and if for average guy they are the way to go If your looking at a budget head. But if you have a good machinist and willing to do some clean up then a guy can used the assault heads with great results. I'm not trying to push any products but just offer some results of things I've have done. Cheers!
@nickortega99872 жыл бұрын
Hey how's it going did you ever get those kits together
@cuttersperformance2 жыл бұрын
Hopefully by the spring they will be back in stock
@lancecolby77922 жыл бұрын
Is it possible to go to big on the gasket matching?
@cuttersperformance2 жыл бұрын
Yes for sure you can go too big. These heads have oddly shaped intake ports, so reshaping to a 1206 port wasy my best option. Sometimes porting to a larger gasket on heads and the intake manifold can cause a loss in port velocity and you may gain in peak power but a loss in average power.
@lancecolby77922 жыл бұрын
@@cuttersperformance so do you recommend port matching to the intake and smoothing out the port or leave it be and loose that little bit of power?
@franciscohuerta9860 Жыл бұрын
Need help vortec or DNA heads on my 327 ?
@cuttersperformance Жыл бұрын
Both will work fantastic, if your going with higher compression (10.5:1+) and a larger cam then the DNA heads but if its lower than that the vortecs will work great
@franciscohuerta9860 Жыл бұрын
@@cuttersperformance well the small journal I got already was at 10.1 compression rated @275 hp with stock heads. Want something in the 380-425 range.
@gmpugh76062 жыл бұрын
Hey Patt, I left you a email, can you get back to me about it as soon as possible please, thanks again.
@cuttersperformance2 жыл бұрын
No problem!
@jeffrykopis54682 жыл бұрын
Would ANYBODY be running over .600 lift with such cheap heads?? Flow numbers or increases @ .650 seem irrelevant. I think guys that buy these are gonna run a hydraulic FT or street roller up to maybe .560 lift.
@cuttersperformance2 жыл бұрын
You gotta remember flow numbers are just an evaluation of the heads flow potential. The port flow can be very different once running on an engine, so flowing them at higher lifts on a bench can give you a good idea of the efficiency of the port and valve job. But to answer your question, most guys would be running under. 600 lift with these heads
@chrisreynolds65202 жыл бұрын
0.578 lift from a 218/228 @ 0.050 roller on my 383. These heads flow 291 cfm @ 0.500 and 299 @ 0.600 after ported being by Lloyd Elliot.
@jeffrykopis54682 жыл бұрын
@@chrisreynolds6520 That's damn impressive. I don't suppose the porting was also $199?
@jeffrykopis54682 жыл бұрын
@@chrisreynolds6520 By the way, is that with a 1.6 rocker? 1.65? Cuz that's a lot of lift for only 218/228 duration.
@chrisreynolds65202 жыл бұрын
@@jeffrykopis5468 1.7 rocker
@steviea3618 Жыл бұрын
Can I use these on a 1991 l98 TPI setup?
@cuttersperformance Жыл бұрын
You will probably have issues getting the lower intake to seal to the large intake port