Primary Fan Setting When Burning PROM Chip
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Joined: Nov 2003
Posts: 388
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From: Victoria, British Columbia
Car: 1989 GTA
Engine: 5.0 TPI
Transmission: T-5 WC
Axle/Gears: Yukon 3.73
Primary Fan Setting When Burning PROM Chip
What have people had their primary fan set to when altering the PROM chip? I am about to have a PROM chip burnt. I have a 160F high flow thermostat. I live in place where summer temperature is typically in the high 20C to mid 30C. I am thinking of installing a Hypertech secondary fan switch, which turns the secondary fan on at 176F and turns it off at 166F. Therefore, I was thinking the primary fan should be set to coincide roughly with the secondary fan setting or maybe a bit cooler so that it comes on just before or at the same time as the secondary fan.
Joined: Jul 1999
Posts: 10,950
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From: Orange, SoCal
Car: 1990 Pontiac Trans Am
Engine: 355 TPI siamesed runners
Transmission: Tremec T56
Axle/Gears: 12-Bolt 3.73
Re: Primary Fan Setting When Burning PROM Chip
With a 160 thermostat, I set the primary fan to come on around 85* C, and off at 83* C. That's around 180-185* F.
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