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View Full Version : Do Vortec or LS use same mounts as old 305 or 350?



Dudewayne
03-29-2016, 04:16 AM
Thinking of swapping my 85 305 in my YJ for a newer Vortec or LS
Anyone know if the motor mounts will bolt up ?
Are the blocks the same width etc. ?
Thanks, Duane

also looking for complete engine and harness.

oros35
03-29-2016, 01:23 PM
Need to be more specific on the engine you want to use.

Dudewayne
03-29-2016, 03:32 PM
2001 5.3 lsx out of a Silverado

what, if any vortec fit ?
thanks.

DMG
03-29-2016, 06:01 PM
The mounts are not the same and the flex plate is different if you have an auto but there are adapters available for both.

Dudewayne
03-29-2016, 06:41 PM
Thanks