WILL THE CHEVYS 4.3V6 FIT IN A GT WITH THE 3.1V6

1991 Pontiac Sunbird

Tiny

liljj

October, 24, 2011 AT 3:35 AM

My engine isn't what I really want and has problems and I wanted to swap the 3.1 for the 4.3 and I need to know if its possible

FOUND 14648 RELATED QUESTIONS

Wiring Issue?

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2 Answers

Tiny

ASEMaster6371

October, 26, 2011 AT 7:36 PM

Nope. Too much different mountings, harness, and all components.
Why dont you just rebuild the 3.1?

Roy

Tiny

Wrenchtech

October, 26, 2011 AT 7:53 PM

To add to this, the 3.1 is a transverse mounted engine and there is no FWD transmission made to fit it and the biggest issue is that you have an operating system for one engine and one engine only, not to mention it would be against Federal law to drive it on US highways.

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