But did you die?! Nope! Z car progress & fails!

Рет қаралды 65,484

2 жыл бұрын

Our Datsun is such a special car to us, SO STOKED to have her back with the living! Now, what to do with the rear end situation… hmm!
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Пікірлер: 385

@nemo227 2 жыл бұрын

Never let your ego keep you from using a funnel. Never. That bolt business reminded me of something when I was talking with a delivery driver back in the seventies. He showed up with a new semi one day. He told us that whenever his company got a new truck their chief mechanic had the guys go over it and tighten to specification every visible bolt and nut. He had found that when a truck arrived from the factory some bolts/nuts were not properly tightened. Walk along any road and you'll find bolts, nuts, miscellaneous parts. I once found 27 bolts/nuts/screws/misc. parts on the 400 yard walk from McDonald's to my business . . . in a single day.

@monkeybarmonkeyman 2 жыл бұрын

FOD is worth the effort in aircraft, it's worth the effort on something you drive. I once picked up a brand new motorcycle from a dealer, rode if five miles home then set down and started going over it. The front axle was held in place by about three threads of the axle nut and there was not cotter pin. ALWAYS double check your work when machinery is involved. Heck, same holds true of software too.

@bobbolieu9013 2 жыл бұрын

Bolt missing. That just means that you're human. If that's the worst thing that happened that day, you all are golden. I love that car. Not just because it's a small car with a strong motor and a beautiful injection system, it has fantastic shape, and I love the colors.

@rickhurt7007 2 жыл бұрын

It's a beautiful car that's well past the project stage and means a lot to both of you. It deserves to be finished in a solid way so the problems are in the past not pushed down the road. Take the time and money needed to complete the car in a way it deserves.

@rbmoose22 2 жыл бұрын

I remember buying a new 77 280Z in a light blue. Paid $7600 for a 4 speed and could not afford the extra $100 for the 5 speed, when they first came out. Great car ! Great 6 cylinder with fuel injection.

@wbball15 2 жыл бұрын

Shop Foreman Finley appears very busy and highly engaged. Fun to see Emily look over and see 20 yr old Aaron behind the wheel.

@lochnessfox3441 2 жыл бұрын

I’m so glad you took the time to get that awesome little car on the road! It’s a cool build and it deserved better! Lol. I love this channel! Thanks you two!

@bobbolieu9013 2 жыл бұрын

I am a huge fan because you all keep it real, smooth spots and rough alike. I am very grateful that you both own every aspect of what you do. Thank you, very much. Keep doing what you have been doing.

@jrw6868 2 жыл бұрын

For those loose bolts, try bolts with grip length. The threaded area isn't good in "bearing". The threaded section is slightly smaller and has more radial clearance that will allow more movement before it starts to react in shear. Plus the stretch per length of a threaded portion is more than the grip length. It may or may not help.

@agentcrm 2 жыл бұрын

It's hard to get bolts with a shank at that short a lenght. They'd have to buy longer bolts and shorten them.

@tsmartin 2 жыл бұрын

I would think that from the factory those parts should have had a couple of dowel pins so that it didn't rely on just the bolts to locate and carry the load. You might also try "Nordlock" lock washers instead of the old fashioned split type.

@davidgroskopf7898 2 жыл бұрын

That’s why I like aircraft bolts they are measuring in grip length by 1/16’s

@GeekGinger 2 жыл бұрын

I’d probably fix that one, just because I don’t hammer cars like I did as a youth and wouldn’t want to buy new wheels. If you are going to be more aggressive then the 8.8 would make sense since you’d end up doing it anyway.

@shawnshabloski4577 2 жыл бұрын

You guys rock....You share loads of great information....always a joy....One of my favorite channels

@kevindurden9840 2 жыл бұрын

I would look for a Corvette rear end to do the upgrade. You might even just put in the center section and have the half shafts modified so you can keep your four lug wheels.

@Bill_N_ATX 2 жыл бұрын

That’s one way. The other is with an 8.8 swap. Easier (and cheaper) to find and several folks make kits for it.

@rickn8or 2 жыл бұрын

Good idea, but wouldn't you wind up with something like 4-inch half-shafts?

@kevindurden9840 2 жыл бұрын

@@rickn8or A GM pumpkin isn't liable to be much larger than the stock rearend. I doubt the half shafts would be much shorter than what's there. You'd just need to go from the GM end to the Datsun parts.

@Onefast280z 2 жыл бұрын

@@rickn8or the shafts on mine are 15.75”

@brianatkins8217 2 жыл бұрын

In 1979 we installed a.327 in my father's 240Z along with a 350 turbo transmission. He placed over 100,000 on that car as his daily before feeling like rust was to much. Actually now realizing it wasn't that bad. But main comment is after 15 years and 12 reaerends I believe, what we discovered was if on a launch of it spin only one tire it.would destroy the.spider gears. I have a corvette rear that's been sitting on the shelf for probably 40 years now that we never did install. He added a supplement called Problend and never lost another rear. A lot of times it would pull the left front tire an inch on the launch and this was on the street. Thank you for this build.

@benjaminspencer6507 2 жыл бұрын

You make me miss my 1979 240Z T-Top.it was all black, inside and out. I was laid off and running out of unemployment in 1995. It get us from starving and paid the rent until I found a job!!

@SpyderGarage 2 жыл бұрын

This brings back fond memories of fixing your half shafts broken down alongside the highway two years ago on Power Tour. 😉 As for upgrade, I’d definitely go 8.8” - talk to Hudlow Axle in Rossville, GA. Steve has many of them lying around to custom make into whatever you need. We’ll likely do the same thing ourselves. 👍🏻

@MadScientistGarage 2 жыл бұрын

A mutual friend makes a swap for the Super 8.8" diff, that one doesn't have the races integrated into a cast housing that tend to fail.

@cranefly23 2 жыл бұрын

I love seeing that little car run! Please keep her on the road as long as you can.

@tonysansom 2 жыл бұрын

That moment of pulling the sump bung out never fails to notch my anxiety up a couple of points 😀

@001slick001 2 жыл бұрын

Woo hoo I saw my painting in the background! Glad you guys like it. Keep up the great work!😁👍

@billyhill2488 2 жыл бұрын

Big sad on the glitter party and other issues but thanks for keeping it real. This car is gonna be great once sorted. Best thing I can tell you on the rear is to take your time and go with exactly what you want back there even if it involves waiting. Something bullet proof in the LSD flavor would be cool.

@micheltebraake7915 2 жыл бұрын

The bolts loose in the brake caliper reminds me of my first job as a novice car mechanic, I was called away a few times from a brake job that finally left the car with a brake caliper with the bolts hand tight. The next day the customer was back with a rattle.

@bryansaull7554 2 жыл бұрын

not being picky I hope but regarding punching your knuckles against bodywork when pushing the spanner or wrench, its best to do the opposite and pull it toward you, so when it 'gives' your arm muscles compress and act like a shock absorber and react much faster that way anyhow.....

@mikebarr8976 2 жыл бұрын

I really like your show it's so good to watch you two as you solve and fix your problems,please keep up the good work,,,,Mike

@BadLogan426 2 жыл бұрын

Just get her fixed and there will allways be new problems down the road,love you guys!

@kentmckean6795 2 жыл бұрын

8.8 Ford IRS center section is in your near future... FYI According to Loctite, you are using WAY to much threadlocker. You should only be using 2 or 3 drops and put it approximately where the thread engagement will be after tightening. More is not better.

@flyingsparksgarage 2 жыл бұрын

Last time we used a little and they still backed off, sad to know more won’t make a difference 😂

@mrmoss149 2 жыл бұрын

@@flyingsparksgarage There are many factors that cause loctite to " fail". I've seen everything from heat/ cooled cycling, vibrations, other chemicals that come in contact with it ( as in the threads of the bolt OR the part you are inserting the bolt into being contaminated with something; I've even seen ambient temp have an affect on the application. Having said that, it did look like an excessive amount was being placed on the bolts - but I understand why. Has it really been that long since " Bob" had the car out? Time fly's...

@lazyhoundracing9621 2 жыл бұрын

Thanks for the video. Don't beat yourself up. I think we all have realized what we did after the problem arises. That's hotrodding.

@davidmarshall5810 2 жыл бұрын

The “bolts” that you’re having trouble with in your half-shaft Cv joints look like 3/8 -16 socket head cap screws, and may have been over torqued in their past, thus stretched past their yield strength (yield point - stretched and won’t come back to original dimension, keep getting loose) and should be replaced. If you want to replace them with something stronger you may think about going to a fine thread socket head cap screw of 3/8-24, They are both Grade 8 as “Bob” stated. Don’t forget new grade 8 nuts. This would allow you a little more torque and holding power for your CV joints. If I’m all wrong about this and they were fine threads just throw them out and get new ones.

@wildhorses4x4 2 жыл бұрын

right on

@derikdrinkle2084 2 жыл бұрын

Great too see zen back up and moving again. That sounds great when you get on it. Also if I put a bolt in I will always tighten it. Otherwise leave it out. Just a habit I've made for myself.

@danielharder2052 2 жыл бұрын

I think it is sweet the way Allan takes care of you for safety stuff

@kylesmart5289 2 жыл бұрын

You could always get custom axles for the 8.8 to keep the original hubs on the car if you didn't want to have to change the hubs and brakes.

@ShenanigansWrenchRepeat 2 жыл бұрын

Hey, we all make mistakes! So good to see you two rolling in Zen, I'm sure the nostalgia is real for you guys while you're in it... Thank you as always for the awesome content and inspiration! 🤘🤘🤘

@craiggoodwin9704 2 жыл бұрын

Nothing like having a few projects around to keep the brain active. I'd say go all out! Thanks for Sharing!

@michaeldavis7317 2 жыл бұрын

Thanks for being a motivating force in the automotive industry I love watching your shows all of them so thanks keep up the good work you show that love is the best thing when you can work together and get a solid project done together so you give me the incentive to do work on my cars so thank you and about you 280 zen the rear end should be fixed but find out what the racers are using on there builds the 8.8 is good but a Ford 9” would be a stronger rear end but it may take more work to fit it In the car so I would say ask around to the other builder you no and get there input thanks for being a great influence to all

@dans_Learning_Curve 2 жыл бұрын

Like how you two work together! Mutual respect! The braids in the hair added a special touch. Maybe just a different look!

@neilfairless4589 2 жыл бұрын

I would upgrade the diff you have and even put in a LSD? if available. You don't run crazy power so keep it simple. Love Zen, what a motor.

@mikemullay5622 2 жыл бұрын

If parts are available I would rebuild the existing rear end so you can keep the IRS set up. Then when an 8.8 inch rear end in good shape becomes available for a decent price swap it in.

@orkboy59 2 жыл бұрын

You can get IRS 8.8" center sections. They came out of the newer thunderbirds if I'm not mistaken.

@davidbritt6676 2 жыл бұрын

I try to never push a wrench. Whenever possible, I will pull it towards me. That way I try to avoid skinned knuckles. Something an old mechanic taught me back in the 80's...

@patricklaughrey8727 2 жыл бұрын

Yep pull towards yourself and punch yourself right in the mouth watched a friend do that lmao

@tonysansom 2 жыл бұрын

@@patricklaughrey8727 Always push away and with an open hand. You keep your knuckles and your teeth that way.

@mrmotofy 2 жыл бұрын

And keep your arm near fully extended so hand can't go flying. Even elbow locked stiff shoulder then turn with your upper torso, that way if it slips your torso isn't gonna jerk like your hand due to the extra mass.

@rcadd1ct 2 жыл бұрын

Adding to the comment below. On the cv bolts. You need to find longer bolts that have the shank past the mating surfaces and cut off the extra thread. Threads are a stress riser waiting to shear. You could also drill for dowel pins and then the bolts would just be a clamping load.

@marlinspotts1896 2 жыл бұрын

Love that you guys make errors like the rest of us, like a loose brake caliper! We all do that stuff, nice to see that you don't cut that out. :)

@flyingsparksgarage 2 жыл бұрын

It was tempting!!! I felt so dumb 😅🥴😂😝

@mikalehtinen315 2 жыл бұрын

Jippii and wow, good job. Awesome video again. More such videos. Greetings from Finland

@mckrackin5324 2 жыл бұрын

Love you guys and your content. Still waiting on a trailer update though 😉

@Cool_Retro 2 жыл бұрын

Nice video. It's nice to see the 280Z back on the road. That's one awesome Datsun!

@ruaraidhmcdonald-walker9524 2 жыл бұрын

Just going to be like balancing throttle bodies on a motorbike. Just twice the number to do. It'll be a lot smoother when they've been done! What's the plan for filtration? Rebuild existing for the diff! Be a fun project anyway and better than just buying the way out of it although clearly a different diff would be a different load of work!! Good luck!! Looking forward to watching along whatever happens.

@sniperotto 2 жыл бұрын

Converting to a R230 is an option, and you guys get to keep the 4 lug wheels

@BLKMGK4 2 жыл бұрын

R230 has limited gearing options, especially if you want to keep an LSD. Better to go 8.8 aka Super 8.8. There's a guy on HybridZ building kits to mount them. 4Lug might be tough but it's a MUCH better setup with lots of parts availability.

@MadScientistGarage 2 жыл бұрын

@@BLKMGK4 you're probably referring to Invincible Extremes? Solid guy. Solid kit.

@hotironaircraftshop 2 жыл бұрын

I would pull the rear end out, disassemble it, and evaluate each of the parts. Then decide if a late 1970s diff design is appropriate for 360+ HP.

@Digital-Dan 2 жыл бұрын

Rotate the oil container 180 and it will pour more smoothly. My ol' pappy taught me that.

@BIllMcCambridge 2 жыл бұрын

My daddy taught me that too!! Was gonna comment that but figured somebody else would beat me too it.

@mattmoore8545 2 жыл бұрын

This is such a cool car. Happy to see you working on it again. Go the 8.8 if you can keep it 4 stud. Im sure you can work something out. Keep up the great work

@richardturk7162 2 жыл бұрын

That is a roasting pan or basting pan. I use them all the time cleaning gun parts. Happy to see car related content finally.

@theredbaron057 Жыл бұрын

That 280Z is a dream car of mine. Great build, happy for you. Enjoy it!

@innerspaceavailable 2 жыл бұрын

Had a 260z with a nice 327 and a 2000 stall and power glide. The original rear made it okay till we put the slicks on her and launched hard. half shafts got rebuilt with better parts. Diff was next. Did the 300z conversion. Held up okay for the next couple years. Great videos, keep em coming.

@agentcrm 2 жыл бұрын

I'd rebuild that rear end, though I'd look at getting different stub axles made (or search to find ones that could be swappped in) that allow you to get rid of the adapters that are causing too many issues.

@BjerkePresents 2 жыл бұрын

Love to see it back on the road, it deserves to be kept a independent rear though. Also you should bolt those ignition coils down to keep them from overheating, having ground issues and vibration damage, would hate to see it stranded once it get a new rear end.

@CoachEgg 2 жыл бұрын

If it deserves an independent rear suspension, it also deserves a Nissan L6

@zman7953 2 жыл бұрын

Congrats on getting Zen outa the shop....Something always breaks and the 8.8 swap would be my project move as the check book starts smoking..lol...Cheers u 2..

@bgc51765 Жыл бұрын

I had a gold 77 280Z. I had the same issues with bolts backing off. I used Nord washers along with loc-tite will keep the nuts from backing off. Never had a problem afterwards.

@mikewakeman5392 2 жыл бұрын

My assessment on the half shaft bolts is that they are "stretching " from the radial torque. As mention in another comment getting a bolt with threads at the ends and not fully threaded will minimize that and hopefully solve it. otherwise maybe a dowel pin to absorb the torque. As far as a swap what about a center off a late model Z , (350 ???) . Just some meandering thoughts. You got this.

@Cougracer67 2 жыл бұрын

Fun fact: Why does Kendall's logo feature a hand with two fingers raised? It dates back to at least the early 1950's when the usual oil change interval was every 1,000 miles. Kendall advertised that their oil was good for TWO thousand miles! So their advertising featured a hand with raised fingers and the slogan "Kendall-the 2,000 mile oil".

@tonyviolette2304 2 жыл бұрын

Anything you 2 do is very interesting, why can't you just rebuild the rear end , that would be cool to watch. Y'all stay safe, and love on that puppy for us !!

@stevenperry4941 2 жыл бұрын

My knuckles have the scars to prove your hubby right about holding the wrench to avoid smashing said knuckles! Wish I’d learned that in auto shop!

@claytonselfridge7518 2 жыл бұрын

ive had 4 240 zs love your build up grade after rear end fails

@chappy5538 2 жыл бұрын

Lot of options I am sure you will make the right one stay safe.

@orkboy59 2 жыл бұрын

I would 8.8" swap it for sure. Thats a serious strength upgrade. I'm pretty sure Taylor Ray is running one in his LS Miata with around 500 HP.

@kf4ung 2 жыл бұрын

Change it for a modified 8.8. Use the pumpkin and center housing of the 8.8, with a posi center, add inner shaft side big brakes to help with stopping and cooling, from all the burnouts, and have short shafts made to go between the 8.8 and the stubs of Zen, so she can keep her original 4 bolt rims. Personally that is what I would probably do, but let Bob do Bob, and I'll keep watching and learning. Hope y'all have a great day. I am already looking forward to see what you decide to do.

@wesfagin6236 2 жыл бұрын

i learn so much watching "Bob" and Emely very awesome

@upsidedowndog1256 2 жыл бұрын

I love you both! Next time you come to Lake Ouchita let me know. I will come see ya'll. Come through Mena and I will share my airport with you.

@dans_Learning_Curve 2 жыл бұрын

I forgot to tighten the caliper bolts on my '00 Grand Cherokee! One bolt fell out and the caliper locked up the wheel when in reverse! Tighten the one remaining, and made it home! Things happen!

@djstizl 2 жыл бұрын

If it were my car, I'd look into rebuilding with motorsports grade parts or a bolt in-ish swap. I'd also install a hydro-handbrake while I had the rear apart. You know, for maximum sideways!

@bigheadrc 2 жыл бұрын

my favorite youtube channel ❤️

@mansonmydog 2 жыл бұрын

Great to see ZEN cruise again.

@garyworokevich2524 2 жыл бұрын

Nice machine. Great channel.

@Oldfatbeerman 2 жыл бұрын

I would pull down the diff to actually see what failed before making a decision on how to proceed myself . Unless that pull down shows there is a good reason to upspec the diff , I'd stay with it for financial reasons .

@Musabe009 2 жыл бұрын

I like the creative shots in the middle of the video

@jasonclegg6125 2 жыл бұрын

If you pour the oil with the neck upwards it will go much more smoothly. Keep up the good work though! Love y'all!

@flyingsparksgarage 2 жыл бұрын

Thanks bud!! We love and appreciate YOU!

@paulblakeslee8573 2 жыл бұрын

Great video I noticed you tend to put off repairs for later which get forgotten because of your busy life. Just saying sometimes it's necessary to slow down and finish things.😎

@standavis7266 2 жыл бұрын

1st...been waiting for a new video all day! beat 205,000 others to it!

@StewartMotoring 2 жыл бұрын

What I did - which is a good upgrade without throwing out your work for coilover setup/wheel setup/axles, is throw in the OBX LSD off eBay for the 84-89 300zx. It swaps in great and easy and you can reuse your axles. You may just need to look your pinion gear/bearings to make sure they don’t need replaced or other stuff in the diff that’ll be reused.. They are about 450 on eBay. There is a shim kit you can get on the z forums for it too.

@craigb7699 2 жыл бұрын

Yes, this right here. Or if you want to spend a little more, swap in a quaife LSD. An 8.8 will be a lot of fabrication

@YakGeareyfishing 2 жыл бұрын

8.8 Aaron deserves Zen at 100 percent

@dainsookdeo7086 2 жыл бұрын

I would keep the same diff I will also install lockers so you can distribute power to both axis that's make it harder to pop ..

@robertgrauman8602 2 жыл бұрын

I think whether you rebuild what you've got or swap in an 8.8, it's something you haven't done on your channel and would be worth watching. I had a similar problem earlier this year with the Dana 30 in my Jeep. Glitter in the gear oil. I just went to my local U pull and found a front axle that didn't have that problem and put that in it.

@65Coasty 2 жыл бұрын

I did exactly the same thing with my front caliper a month ago. LoL Locktite is your friend apparently 🤣

@lonewolf56308 2 жыл бұрын

some muffler wrap near the pumpkin can really keep the oil cleaner. Love the vids.

@modernvisionscc 2 жыл бұрын

As far as the 8.8 swap you could have a driveshaft axles built with 8.8 inner and the stock outer.

@jasonspeeds1 2 жыл бұрын

Sounds like it's about time to hit up Invincible Extremes Musclecars for his Super 8.8 kit. I just finished up the install in my 280Z. Then once you get it done, we'll have to race!

@InvincibleExtremes 2 жыл бұрын

Yup!

@mikekenyon3322 2 жыл бұрын

my old co-worker installed a later 280Z rear end in his 240Z that had a 500+ SBC, back in the day.

@kgooch69 2 жыл бұрын

Been watching you guys a long time and from the time you started this project I've been yelling at the screen to 8.8 swap it...you can have the axles drilled for the 4 bolt pattern if that is the issue that's holding you back.

@markgriffin4888 2 жыл бұрын

That finial scene where you give that sexy look, that crack up laughing, love it every time 👌👌👌👌👌👌

@437thx1138 2 жыл бұрын

Don't think you could be more photogenic. Great vid

@robertshatto2995 2 жыл бұрын

I had a 240 Z,,I loved that car,,years ago,they had kits,it was called 240z28 kits,I was going to do the kit,but in 1979,,the tin worms got into it,,I couldn't stop it,,I sold it and bought a new Toyota land cruiser,, Damn I missed that car,,such is life,,I'll keep a eye out for what you do next,,

@jamesbrown3358 2 жыл бұрын

Good job getting her up and running.

@patricklaughrey8727 2 жыл бұрын

Great job lubing up her rearend guys!

@Velal07 2 жыл бұрын

Regarding the caliper bolt... been there, done that in my old car I didn't realize that Finley was as "salt & pepper" as my Lola.

@johnlee8231 2 жыл бұрын

"d do the swap to the stronger rear end. Do it once do it right. Buy once cry once as they say. Every time I've try to cheap out it seems to bite me. Love watching Zen getting some love finally. Used to have a 76 280 back in the day.

@mlsatke 2 жыл бұрын

You might investigate swapping it with the same diff that's in Roxy. Getting the half shaft ends modified should be doable. Also, checkout Mighty Car Mods series on the update Moog and Marty did to a Z.

@MadScientistGarage 2 жыл бұрын

If you pour with the spout at the top, the bottle won't "glug" and spill on the floor. Learned that the hard way, several times. 🙂

@harlest71 2 жыл бұрын

Where did you buy those over fenders (flares) for the Datsun? They look great!! Awesome Video. Thanks Guys.

@albertotovar8026 2 жыл бұрын

That's great advice on open hand on break over bar

@MrPnew1 2 жыл бұрын

Love those inlet trumpets ❤️❤️❤️❤️❤️❤️❤️❤️

@nemo227 2 жыл бұрын

They ARE impressive looking.

@brianwaskow5910 2 жыл бұрын

On your half shafts, use drilled head SHCS and safety wire.

@flyingsparksgarage 2 жыл бұрын

Ahhh, good idea!!!

@jeffp.1587 2 жыл бұрын

I think the 8.8 will be the better way to go. The parts are more available, So if you are doing the drive and drag and break something you can get it fixed easily.