C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Old May 28, 2012 | 06:22 PM
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Anyone ever run a 4L80e trans instead of a Turbo 400?
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Old May 28, 2012 | 06:29 PM
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SEEN one, it's way too large for a C3, without major surgery.....

but THAT depends on the purpose of the car, for a DD you much better off with a 200 4r, if you really love the stoplight acceleration...do a 700 r4.....

too boot a 4L80e needs a controller, cheaper today, but not so much some few years ago....

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Old May 28, 2012 | 06:33 PM
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Originally Posted by mrvette
SEEN one, it's way too large for a C3, without major surgery.....

but THAT depends on the purpose of the car, for a DD you much better off with a 200 4r, if you really love the stoplight acceleration...do a 700 r4.....

too boot a 4L80e needs a controller, cheaper today, but not so much some few years ago....

I'm putting a 4 wheel drive 4L80e in a truck in place of the Turbo 400 and it got me thinking......... thanks.
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Old May 28, 2012 | 11:17 PM
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I agree with running 700R4/4L60, as a much easier swap. If you're running a strong 502, you'll maybe need something bigger though. Lot's more choices now, as the 6L series 6 speeds have been out for awhile now. The 6L80e is huge though, and maybe a waste for your current rear axle ratio. 1st gear ratio, is 4.05.
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Old May 28, 2012 | 11:53 PM
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Originally Posted by c502cid
Anyone ever run a 4L80e trans instead of a Turbo 400?
I have recently installed 4l80e with manual valve body in my 69 and had no issues at all, it fits in the tunnel without any cutting or modification, only thing I had to do was fabricate new cross member. feel free to call for any info. Paja 503-329-7968
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Old May 29, 2012 | 04:26 AM
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Originally Posted by Street Shaker
I have recently installed 4l80e with manual valve body in my 69 and had no issues at all, it fits in the tunnel without any cutting or modification, only thing I had to do was fabricate new cross member. feel free to call for any info. Paja 503-329-7968
Note to self: add 4l80e to costs of project..... thanks!

Have the two side by side I thought it would fit. Thanks for confirming.
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