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

4L80e

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Old Feb 24, 2007 | 11:47 PM
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Default 4L80e

Who knows how to utilize a 4L80E trans in an 88 C4?
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Old Feb 24, 2007 | 11:56 PM
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I am not aware of anyone reporting having a 4L80E in an '88.

Joby installed one in his '84. Bacardioil has one in his '93.

.
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Old Feb 25, 2007 | 12:05 AM
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http://www.joby.se/corvette/mods//2004-12-26_4l80/
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Old Feb 25, 2007 | 01:48 AM
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from my estimation, the C4 takes a transmission the same way, so an 88 would be real close to the same as any year...
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Old Feb 25, 2007 | 01:48 PM
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Utilize it with the shift lever.

P
R
N
OD
3
2
1
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Old Feb 25, 2007 | 04:04 PM
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Originally Posted by C4Techie
Utilize it with the shift lever.

P
R
N
OD
3
2
1
Well... yea... duh... but the 4L80E doesn't have the right tail shaft housing... There is a kit to adapt it...
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Old Mar 2, 2007 | 12:19 AM
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Originally Posted by bogus
Well... yea... duh... but the 4L80E doesn't have the right tail shaft housing... There is a kit to adapt it...
Where do I find this tail shaft adapter?
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Old Mar 2, 2007 | 06:44 AM
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http://www.transmissioncenter.net/4L...4L80E_Swap.htm
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Old Mar 2, 2007 | 10:07 AM
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Is there anyone around here who has converted from a late model C4 4L60E to a built 4L80E. I would like to get some info on how difficult the switch is and what is involved.

Thanks
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Old Mar 2, 2007 | 10:23 AM
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What are the gear ratios of the 4L80E, incl OD?
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Old Mar 2, 2007 | 11:55 AM
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Never mind. I got off my dead a*s and found the ratios on the net (in about 15-seconds)
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Old Mar 2, 2007 | 12:23 PM
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Originally Posted by GeosFun
What are the gear ratios of the 4L80E, incl OD?
Same as the TH400, with 0.75 OD

on my website
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Old Mar 2, 2007 | 01:19 PM
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Originally Posted by rickreeves1
Is there anyone around here who has converted from a late model C4 4L60E to a built 4L80E. I would like to get some info on how difficult the switch is and what is involved.

Thanks
Raptor has a conversion kit but I have not heard of anyone using it yet. I'm not sure if it still works with the electronics either. ??
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Old Mar 3, 2007 | 03:31 AM
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Read and call the phone number $700.00 for the tail shaft,$1000.00 for the computer programmer and 5K for the trans.
Raptor has it all.
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Old Mar 3, 2007 | 01:52 PM
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Originally Posted by REDC4CORVETTE

Read and call the phone number $700.00 for the tail shaft,$1000.00 for the computer programmer and 5K for the trans.
Raptor has it all.
Considering the cost of several broken transmissions in a high horsepower car, that could be a bargain. Anyone done this yet?
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Old Mar 3, 2007 | 02:02 PM
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From post #2

Originally Posted by Slalom4me
Joby installed one in his '84. Bacardioil has one in his '93.
.
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