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350 tbi help

  
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350 tbi help

 
BadBowtie0727 BadBowtie0727
I love my Chevy Chevette! | Posts: 16 | Joined: 01/13
Posted: 03/15/13
10:58 PM

Installed vortec heads...480 lift roller cam...ecu chip...fuel psi reg... Etc... Has stock 305 ecu + tbi...not idling correctly and timing is  good...ideas? Need to change ecu + tbi...or have ecu tuned?