Almost forgot, no check valves.
IAC's adjusted to 30 at idle. TPS .42, MAF used was a known good GM one and an LT1 w/translator.
Plugs look ok. Not white.
IAC's adjusted to 30 at idle. TPS .42, MAF used was a known good GM one and an LT1 w/translator.
Plugs look ok. Not white.