GM 5.7 runs lean

Joined
Mar 25, 2020
Messages
1
Location
Clarksville Tn
I have a 96 GMC C1500 5.7 i bored the engine 30 over an put a computer friendly comp cam in it. The problem i am having is the engine is popping an backfiring also loss of power someone please help me
 
Joined
Nov 9, 2012
Messages
8,444
Location
Olathe, KS, USA
I have a 96 GMC C1500 5.7 i bored the engine 30 over an put a computer friendly comp cam in it. The problem i am having is the engine is popping an backfiring also loss of power someone please help me
Do you have your timing set correctly?
Does this one have a distributor on it or crank sensor only?
 
Top Bottom