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

Half Shafts

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Old May 9, 2005 | 11:02 AM
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Default Half Shafts

I am in need of some good half shafts. Friday night I twisted both of mine until they snapped so I also need some help as to exactly how long they are for an 89 with dana 44. Does anyone have any better choices for shafts(built 383 with 478 rear end) factory was not the answer.
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Old May 9, 2005 | 11:14 AM
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www.dennysdriveshaft.com
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Old May 9, 2005 | 11:15 AM
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If no leads here you might IM Vic'89 as he had a similar fate with his '89 a copla years ago.

He's pulling pretty good short times and running in the mid 12sec range but I don't know what half-shafts he replaced with.
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Old May 9, 2005 | 11:28 AM
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FYI. All C4 half shafts are interchangeable.

RACE ON!!!
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Old May 9, 2005 | 11:43 AM
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Here ya go. Carbon fiber half shafts.

http://vansteel.com/Corvette_Parts/8...Parts_2233.cfm

HS-8496C 1984 -1996 Carbon Fiber Half Shafts $600.00 pair.
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Old May 9, 2005 | 11:50 AM
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Originally Posted by TODDZWER
I am in need of some good half shafts. Friday night I twisted both of mine until they snapped so I also need some help as to exactly how long they are for an 89 with dana 44. Does anyone have any better choices for shafts(built 383 with 478 rear end) factory was not the answer.
That is WAY too much gear...hence the reason your breaking your 1/2 shafts.
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Old May 9, 2005 | 12:19 PM
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A 4.78 rear gear? I didn't even know anyone manufacturered a gear that short for a vette D44. Get some more slippery tires!
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Old May 9, 2005 | 12:56 PM
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What's your 60', todzwer?
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Old May 9, 2005 | 03:01 PM
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not sure never got that far
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Old May 9, 2005 | 07:59 PM
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Originally Posted by 65Z01
If no leads here you might IM Vic'89 as he had a similar fate with his '89 a copla years ago.

He's pulling pretty good short times and running in the mid 12sec range but I don't know what half-shafts he replaced with.
Actually I replaced my broken half shafts with new stock half shafts and new Spicer U joints. So far after 2 years, they are running strong.

BTW, that 4.88 gear you have is way overkill in my opinion.

Vic
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Old May 10, 2005 | 12:34 PM
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wow thats a fun gear if it hooks and dont break
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Old May 10, 2005 | 12:43 PM
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I have ran 1.3x 60's with Dennys Driveshaft Halfshafts.
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Old May 10, 2005 | 12:43 PM
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Originally Posted by 65Z01
If no leads here you might IM Vic'89 as he had a similar fate with his '89 a copla years ago.
Oh man... I was there that day. I couldn't believe he twisted BOTH of them into pretzels on the line.
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Old May 10, 2005 | 01:10 PM
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red, what rear end is in your car now?
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Old May 10, 2005 | 06:49 PM
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Originally Posted by Fubar569
red, what rear end is in your car now?

i have the car creations new dana 44 , spool, 3.92 . i also have dennys halfshafts. i did few extra things to help the Dana 44 live longer i plan on posting pics friday when it all done . i also now run coilovers and a th350 so it should help .
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Old May 10, 2005 | 06:57 PM
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I wonder what those carbon jobbies are rated for.
Lets see 1000ft/lbs or torque x First gear x 3.45 rear end - oh my I just scared myself.
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Old May 10, 2005 | 07:35 PM
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Originally Posted by Baldturbofreak
I wonder what those carbon jobbies are rated for.
Lets see 1000ft/lbs or torque x First gear x 3.45 rear end - oh my I just scared myself.
i think Thetoy used them with his 434 ci motor and twist them both in half the first day out with them
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Old May 10, 2005 | 07:45 PM
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Well since Im in the middle 'O stress analysis class, I think I 'll do some calcs on torsional/shear loads for a aluminum shaft. anyone know what the wall on the halfshafts are?
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Old May 10, 2005 | 08:47 PM
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I've never broke a 1/2 shaft in two but I do brake my share of u-joints and that tears up the shafts. I think my problem is my car squats pass level and put the u-joint at a bad angle and they snap.
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Old May 10, 2005 | 10:58 PM
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You are correct I did break both of my carbon fiber halfshafts the very first time out with them. They did refund my money since i only had them for a week. I have since then gone back to the stock half shafts but now i just baby it off the line then hammer it! There also alot cheaper to replace then everything else back there.
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