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

Drivetrain

Old Jan 19, 2006 | 04:08 PM
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So im building up the '92. Balance, blueprint, port & polish, cam, and tranny is being Beefed up. Hope to be in the 400-450 range when complete. So my question? Is there anything i should do to the drivetrain in this process. I dont even know what gears I have. But I do know that when you throw more power at an old rearend, they have a tendency to break. Any suggestions?
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Old Jan 19, 2006 | 04:19 PM
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uh, what drivetrain DO you have? auto? manual?
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Old Jan 19, 2006 | 04:24 PM
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Sorry, AUTO..
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Old Jan 19, 2006 | 04:43 PM
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It all depends on how your going to use the car. If your plans are for just an everyday driver the rear you have now is fine, however upgrading to 3.73 will really increase you bang for your buck. Now if you plane on dong any drag racing that another story, The Dana 36 doesn't last to long so start looking for a good dana 44.
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Old Jan 19, 2006 | 05:15 PM
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Originally Posted by mackeyred96
It all depends on how your going to use the car. If your plans are for just an everyday driver the rear you have now is fine, however upgrading to 3.73 will really increase you bang for your buck. Now if you plane on dong any drag racing that another story, The Dana 36 doesn't last to long so start looking for a good dana 44.


In addition, get some new Spicer ujoints, and beam plates from www.zfdoc.com.

I would consider new bushings, too. Shocks and wheel bearings, depending on their current age.
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Old Jan 19, 2006 | 07:19 PM
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I want to keep it streetable. I had the 373 setup in my '79 camaro and loved it. So I think thats what Ill look for. Yeah i think all the shocks and bearings need replaced. the only thing the previous owner took good care of was the paint. thanks for the heads up Bogus.
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Old Jan 19, 2006 | 08:26 PM
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Originally Posted by ian1992red
So im building up the '92. Balance, blueprint, port & polish, cam, and tranny is being Beefed up. Hope to be in the 400-450 range when complete. So my question? Is there anything i should do to the drivetrain in this process. I dont even know what gears I have. But I do know that when you throw more power at an old rearend, they have a tendency to break. Any suggestions?

Ian,
400 to 450 CHP or RWHP?
For 400RWHP or more out of a 5.7 you are going to need a higher stall torque converter and gears (I can't tell you the stall or the gears but your cam provider/engine builder/head porter shouldl be able to recomend what you need)
Putting gears in a D36 costs about half the price of a D44 however, I suggest you think about a D44.
Good luck on the Build, you are certainly due some!!

Mike
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Old Jan 19, 2006 | 09:49 PM
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Thanks Mike.

Most likely CHP, would Love IT if it made to the RWHP. But, my Cheif swears this guy is a heads genius, and he says Im not leaving with less than 400 on the ground. So we'll see what he can do.

How much dammage does the D44 make at the bank?

IAN
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Old Jan 19, 2006 | 09:54 PM
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A used conversion goes for $1500 and up.
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Old Jan 19, 2006 | 11:02 PM
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Originally Posted by Pete K
A used conversion goes for $1500 and up.

Hell I could almost buy my wife a new rear end for that kind of cash..
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Old Jan 19, 2006 | 11:04 PM
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Originally Posted by ian1992red
Hell I could almost buy my wife a new rear end for that kind of cash..
That is soooo wrong!
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Old Jan 19, 2006 | 11:07 PM
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Yeah, luckly she doesnt even know this forum exist..
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Old Jan 19, 2006 | 11:10 PM
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Originally Posted by ian1992red
Thanks Mike.

Most likely CHP, would Love IT if it made to the RWHP. But, my Cheif swears this guy is a heads genius, and he says Im not leaving with less than 400 on the ground. So we'll see what he can do.

How much dammage does the D44 make at the bank?

IAN

I know that the Chief is always right but, I don't see how your going to get that much power (400RWHP) with a cam mild enough that you won't need gears and a higher stall converter. Honestly my rear swap was easily the mod that changed my car for the better. The headers woke it up some, but the change from 2.59 to 3.45 made it so that I stop at every orange/amber light so I can punch it at the green.

I shot you an email earlier.

Mike
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Old Jan 19, 2006 | 11:14 PM
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I got the email.

Yeah I want the gears. I remember going from 2.89 to 3.73 in my old '79 maro was like night and day. I couldnt keep tires on that thing. I cant wait to see what it does to the vette.
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Old Jan 19, 2006 | 11:21 PM
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Originally Posted by ian1992red
I got the email.

Yeah I want the gears. I remember going from 2.89 to 3.73 in my old '79 maro was like night and day. I couldnt keep tires on that thing. I cant wait to see what it does to the vette.
I know what you mean my new 285/40YR-17 Goodyear Eagle F1 GS-D3 came in a couple of days ago, however, the autoshop closes shortly after I get off work so I have to wait until Saturday to mount them. For some unknown reason the fronts still look new .


It has been snowing pretty hard today, I wonder if I'll get better snow traction with good tread.


Did you see the level where all of a sudden there are a bunch of ancillary mods necessary to remain streetable? It is a bunch of money for that extra 20-35 hp but I need it.
I need to get the Goodyears mounted to replace this! However, slow is smooth and smooth is fast in the snow!

Last edited by aboatguy; Jan 19, 2006 at 11:31 PM.
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Old Jan 19, 2006 | 11:29 PM
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Yeah it came right after I said "I want 400 hp"...
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Old Jan 19, 2006 | 11:33 PM
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Originally Posted by ian1992red
Yeah it came right after I said "I want 400 hp"...

Even 400 CHP is going to feel pretty good and will probably be more practical than 400RWP.
Is the Chief's mechanic taking good care of you and when are you going to be back on the road?

Last edited by aboatguy; Jan 19, 2006 at 11:37 PM.
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Old Jan 19, 2006 | 11:45 PM
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Should be back on the road by begining of mar. I got some parts for the tranny on back order.

Yeah hes taken good care of everything. Ill have a slide show put together soon. Ill send it to ya.
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