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Signuil282 · 03-22-2018, 07:14 PM

I have a 92 sierra 4.3 and dropped a 94 chevy 5.7. Left all the harness for the 4.3 but it runs very rough and won't even idle...any suggestions?
Should I put a carburator?

03-22-2018, 07:14 PM	#1
Signuil282 Registered User Join Date: Mar 2018 Location: Shelbyville Indiana Posts: 5	4.3 to 5.7 swapp I have a 92 sierra 4.3 and dropped a 94 chevy 5.7. Left all the harness for the 4.3 but it runs very rough and won't even idle...any suggestions? Should I put a carburator?