Cracked head? Vortec heads notorious for cracks.
Cracked head? Vortec heads notorious for cracks.
89 K1500 Scottsdale 5.7L 5spd 3:42 RamJet cam Dart iron TBI heads 427 PCM swap
95 C2500 Cheyenne 6.5L turbo diesel 4L80e 4:10 DB2-4911 Manual pump conversion 0411 PCM trans control 2Bar COS
05 Outback XT 2.5L turbo gas auto
He's running Dart heads.Originally Posted by brian617
Ramjet 350/HT383 cam is pretty mild and when used in the HT383 will run fine without PCM tuning.
The calibration would have to be so far off to overheat.
How are you getting your coolant temps? Like Lextech, I'd get an infra red temp gun and go over the entire cooking system. Anyway to get this truck up to speed? Are you running fan shrouds?
peace
Hog
Last edited by Hog; 12-06-2013 at 01:29 AM.
I guess I missed that.. my bad
89 K1500 Scottsdale 5.7L 5spd 3:42 RamJet cam Dart iron TBI heads 427 PCM swap
95 C2500 Cheyenne 6.5L turbo diesel 4L80e 4:10 DB2-4911 Manual pump conversion 0411 PCM trans control 2Bar COS
05 Outback XT 2.5L turbo gas auto
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