C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Dr.Huxtable's 396 engine build and more. Tons of pics

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Old 04-19-2011, 10:21 AM
  #61  
Kubs
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Originally Posted by tpi 421 vette
No, I never assemble anything dry. The rings are preoiled, along with the pistons and cylinders. If you assemble the rings/pistons/cylinders dry, you will ruin them. One thing that helps the engines I do with a quick ring seat is the fact the cylinders were honed with deck plates. That will speed up the seating process. And the engine needs to see some cylinder pressure once it's running and the tune is safe.

There were some rings called Quick seaters. They were actually cheap cast rings that has no moly coatings. I never used them. I don't know if they are still around. I use Speed Pro moly rings in about everything I do.
Well by dry I mean not completely dry. I was told to use the quick seat you wipe a thin coat of WD40 on the cylinder walls and then rub a small amount of the quick seat lubricant on them. The guy machining my block assembles engines this way and he says it works better than oiling up the piston/rings before dropping them in. Im still not sure which way to go when I assemble mine.
Old 04-19-2011, 10:32 AM
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I guess everybody has their own idea's. I haven't had any issues getting the rings to seat. I think well oiled pistons/rings/cylinders is safer than minimizing the oil on them. One thing also is I use engine oil on those parts rather than assembly oil which is alot thicker. Maybe your machinist avoids assembly lube on them like I do. The Lucas assembly lube I use on everything else is almost like STP. It thicker and very sticky.
Old 04-19-2011, 10:55 AM
  #63  
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Use oil,besides as soon as you start it oil will be splashing up there anyway. you need that initial protection.
Old 04-19-2011, 11:41 AM
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Dr.Huxtable
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Originally Posted by 383vett
When I had my irs, I removed the beam a jillion or so times. I didn't have the beam plates, and it was no big deal holding an 18mm nut with an open end wrench. I used the $100+ toward something that made the car faster. Willie
K yeah thats what i thought. It took me like 2 min to slip a wrench up there so i really don't care about ease of install. but if it would help my times or strengthen the drive train I'd do it. zfdoc wants 189 plus shipping for them Thats half my new throttle body.

thanks willie
Old 04-19-2011, 12:16 PM
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Originally Posted by Dr.Huxtable
K yeah thats what i thought. It took me like 2 min to slip a wrench up there so i really don't care about ease of install. but if it would help my times or strengthen the drive train I'd do it. zfdoc wants 189 plus shipping for them Thats half my new throttle body.

thanks willie
Those are a waste of money. I dont see how it will stiffen the drivetrain up at all. Use jacks on the trans and diff to line up the beam. If you can easily slide all 4 bolts up and down in the holes tighten them and you have it aligned perfect. It wont come loose and it will be stiff.
Old 04-19-2011, 01:00 PM
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I dont see how it will stiffen the drivetrain up at all.

Always someone out there to take your money.
one vendor may be good at one thing or have a good product but doesnt mean everything sold is beneficial. Gm woulda thought of it.

To each their own though.
Old 04-19-2011, 04:04 PM
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Exactly. Thanks for the tips guys!
Old 04-19-2011, 07:21 PM
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Originally Posted by Dr.Huxtable
any other benefits besides ease of install? I know it will make it easier cause the nuts are welded into the plate. I'm a pretty good welder and it just seems like i could make that up myself. . . that is a plate with just the nuts welded on. I just don't see how they stiffen the beam? They seem too short and small to be effective. However, I don't know since I have never had these before. Just wondering from others experience how much they really help the drivetrain itself
The other benefit is they keep your tires planted when taking off. Without them some people experience the rear end kicking out to the left. Check on the ZR-1 section, a lot of us over there have them and like them. I'm not a racer so the only thing I really cared about was that they made Reinstalling the C-Beam easier.

Since you are a welder, why don't you just fab up your own.
Old 04-19-2011, 09:58 PM
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Sounds like a plan to me, they seem easy enough to make. I'll fab up some samples and post my results on here and give all my dimensions so others can benefit.

One thing i do want to get are these:
http://forums.corvetteforum.com/c4-t...d-we-make.html

These i cannot make lol and i can def see a benefit of them
Old 04-20-2011, 12:08 AM
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Originally Posted by Dr.Huxtable
Sounds like a plan to me, they seem easy enough to make. I'll fab up some samples and post my results on here and give all my dimensions so others can benefit.

One thing i do want to get are these:
http://forums.corvetteforum.com/c4-t...d-we-make.html

These i cannot make lol and i can def see a benefit of them
I had a set of those when I was running the irs. Definitely helped keep the tires flat during launch. Well spent $$$.
Old 04-20-2011, 10:39 AM
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Yeah i was gonna say you got a solid rear end now but it's good to know they're worth it. Because of $$$ i'll prob get these next season. I'm just hoping i can get this baby all together and running and get some times in before the season is over! At least it lasts longer here in the south. open till Nov

Last edited by Dr.Huxtable; 05-06-2011 at 12:31 AM.
Old 04-20-2011, 10:42 AM
  #72  
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Keep us posted along the way.
Old 05-10-2011, 06:33 PM
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Well i started dropping the rear end out of that car. This a** needs a good cleaning

I'm gonna go through and replace all the bushings, look at a potential blown seal on one of the outer yokes of the dana 44, wire wheel and steel wool down everything so it's purty and then shoot either some 3M undercoating or truck bed liner on the whole under side. Might also put some longer bump stops in and look into some new shocks. Old ones have got to be pretty far gone. 117k and 22 years musta taken their toll. Brake pads are also gone so those will need replacing.

Let me know of anything else you can think of while i'm under there. I'd like to go over the D44 itself to make sure everything is nice and snug.







Old 05-11-2011, 11:01 PM
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Well i got the dana 44 out tonight completely and all tore down! Glad i'm going through it all, she def needs a good cleaning up and checking over. I think the seals are bad on the housing also looks like one of the wheel hubs is bad. Here's some pics:









Here's prob number 1. I don't think that's supposed to come apart like that Although the bearings themselves were in great shape. I'll prob just re pack them and use it for now. I replace it when i destroy it at the strip







Prob number 2, i think the outter seals are gone. Due to the oil all around them. Let me know if thats true or not. All the oil on the outside is older. nothing wet or recent lookin








Last edited by Dr.Huxtable; 05-11-2011 at 11:08 PM.
Old 05-12-2011, 12:25 AM
  #75  
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Corvette bearings are sealed, they dont open up for repacking. Did someone put an Fbody bearing in it?
Old 05-12-2011, 12:47 AM
  #76  
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Hey guys the motor is pretty much done!!!

Jim degreed the cam tonight and found that it was only half a degree retarded! He told me that he had the cam made with 2 degrees advance so that leaves us with 1.5 degrees advance.

The push rod length was a hundredth over oem length but Jim is just so amazing that he happened to have a set of rods on hand just the right length!

Check this beast out!









Old 05-12-2011, 12:56 AM
  #77  
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Originally Posted by vader86
Corvette bearings are sealed, they dont open up for repacking. Did someone put an Fbody bearing in it?
No yeah i know they don't like a standard hub but this hub is obviously on it's way out and came apart as you can see in the pic. The other side didn't. To replace these you have to replace the whole hub as i'm sure your aware.

But since it came apart like that when i say repack basically what i mean is i'm gonna pack some fresh grease in there since i have access and put her back together can only spend so much money at one time, got a motor build to finish!

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Old 05-12-2011, 11:38 AM
  #78  
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The engine looks good!!

I would NOT by any means put that bearing back together. they are not made to come apart and you are not helping yourself by just adding grease and shoving it back in. You could end up with major damage to your car the first trip you make with the new motor.
Old 05-12-2011, 01:48 PM
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Thanks! Yeah i was looking at some new hubs this morning on rockauto.com

Not to terribly priced. Can't wait to get this motor here to me, Christmas is early this year
Old 05-12-2011, 02:14 PM
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Originally Posted by Dr.Huxtable
Thanks! Yeah i was looking at some new hubs this morning on rockauto.com

Not to terribly priced. Can't wait to get this motor here to me, Christmas is early this year
Rock Auto has some well priced hubs, and they last just as long as the expensive ones on my road race car. about 2 weekend events. Street car and drag racing they will last a long time. Its the side loading they cant take.


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