This is a discussion on Engine mounts within the GM Trucks forums, part of the Vehicle Specific category; I have a 1990 gmc sierra and want to drop a ls1 from a camaro in it. The truck has ...
07-03-2010, 05:05 PM #1
- Join Date
- Jul 2010
- 1990 GMC Sierra
I have a 1990 gmc sierra and want to drop a ls1 from a camaro in it. The truck has a 350 5.7 in it, can I use the trucks original motor mounts for the ls1?
07-03-2010, 06:39 PM #2
- Join Date
- Feb 2009
- Mansfield, PA
Black & Blue
- '02 WS.6 / '07 Suburban
You will need aftermarket mounts. Summit and Jeg's both have listings for a mount that adapts from the earlier generation setup to LS1, if I recall correctly.
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