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

Frankenstein 6L60e for LS ???

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Old Sep 14, 2019 | 12:53 AM
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Gale Banks 80''s Avatar
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Default Frankenstein 6L60e for LS ???

So if You were starting out with nothing, No Engine or Trans as of Yet, and wanted to end up with an LS Engine in a C4 with an Auto Trans, how would You do it ? It looks as though bolting the Tail Shaft of a 700R4 onto a 4L60e or variant isn't as simple as it sounds. So what is the easiest least engineering way to do this ? LS bolt pattern up front Ladder bar out back.
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Old Sep 14, 2019 | 10:18 AM
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….. I don't understand your comment about the tailshaft … the tail housing is a direct bolt-on from 700R4 to 4L60E … the tailshaft from an F-body or truck trans is approximately 5/8" longer than the vette and can be easily cut off if necessary … keep in mind that the driveshaft's length is fixed by the C-beam (it doesn't slip in or out of the trans while driving) … so the extra shaft length might not be an issue as long as the slip yoke engages the bushing in the tail housing .....
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Old Sep 14, 2019 | 12:07 PM
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4L80E, the best transmission ever made. Lol

I have one in my car and love the gear ratios
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Old Sep 14, 2019 | 12:09 PM
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I would do a 4l60e. I would do another 700R4 before I did a 6L60e

The 6L60E is not very appealing to me and will be expensive. If for some reason I just had to have 6 gears I would look at a 4L60E/gear vendors or a TCI 6X transmission before a 6L80E.
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Old Sep 14, 2019 | 01:28 PM
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Ok so maybe this is much easier than I was getting by reading other posts. So if I was to acquire a 2WD drive LS Engine Trans Combination I could just use the Tail Housing off a 700R4. If the Tail Shaft needs to be shorter have people been doing it with out disassembling the Trans ?
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Old Sep 14, 2019 | 09:56 PM
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Originally Posted by Gale Banks 80'
Ok so maybe this is much easier than I was getting by reading other posts. So if I was to acquire a 2WD drive LS Engine Trans Combination I could just use the Tail Housing off a 700R4. If the Tail Shaft needs to be shorter have people been doing it with out disassembling the Trans ?
….. Take the original tail housing off , wrap everything exposed in shop towels , and cut the excess shaft off with a hi-speed cut-off wheel , deburr the end of the shaft and clean up the fines from the cutting , install the 'vette tail and you're done …..
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Old Sep 14, 2019 | 11:43 PM
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Sounds Good...........
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