C3 LS1 driveshaft

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Apr 18, 2020 | 07:38 AM

C3LT1

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Joined: Oct 2017

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C3 LS1 driveshaft

My 79 C3 currently has a 94 LT1 with a 4L60E,
new set-up I am swapping a 1999 LS1/4L60E.

what kind of driveshaft do I use for my new set-up?

thanks

Apr 18, 2020 | 10:02 AM

nyciti

Burning Brakes

Joined: Aug 2016

Posts: 1,000

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From: New York

You don't need a new shaft, they should align the same unless you move the engine around. They are both the same spline count.

Apr 18, 2020 | 04:59 PM

71 Vert LS1

Melting Slicks

Joined: Sep 2010

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Also kind of depends on which engine mounts you use. A lot of folks doing LS swaps are using Dirty Dingo adjustable mounts so they can move the engine forward or back as needed.

Apr 19, 2020 | 11:57 PM

bluegtp

Drifting

Joined: Nov 2004

Posts: 1,628

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2020 C3 of the Year Finalist - Modified

You don't need a new ds. I had mine shortened. As mentioned above it depends if you get three adjustable motor mounts and where you want there motor to sit, then determine if ds length.

May 1, 2025 | 08:13 PM

jr73

Drifting

Joined: Apr 2013

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From: Central Wisconsin

…edit

Last edited by jr73; May 3, 2025 at 03:03 PM.

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