Search found 3 matches

by WopOnTour
Mon May 14, 2007 9:32 pm
Forum: OEM EFI Hardware
Topic: Coil On Plug Applications
Replies: 2
Views: 806

I can tell you that particular document is seriously out-dated when it comes to General Motors hardware. I will attempt to put together a comprehensive list of COP GM engines and suppliers (if someone hasnt done it already) Searching...
WopOnTour
by WopOnTour
Wed Apr 06, 2005 7:07 pm
Forum: Wiring and Sensors
Topic: MAT sensor fitting
Replies: 2
Views: 413

IMO on a boosted application you'd be better off with the threaded sensor.(for these exact reasons you have stated)
I would just locate a convenient spot spot where there's adequate pipe wall thickness, drill a 3/16" pilot hole, 7/16" finish hole, and run a 1/4 NPT tap ONLY AS FAR AS NECCESSARY (not ...
by WopOnTour
Thu Mar 24, 2005 10:41 pm
Forum: Wiring and Sensors
Topic: Fuel Pump Wiring GM 350 TPI
Replies: 3
Views: 466

the oil switch/fp cutoff cuts off the fuel pump if the engine for some reason goes below 5psi of oil pressure.
Dan Negative Dan
On all older GMs equipped as such, the oil pressure switch closed above 5 psi as a backup for the main fuel pump relay / control circuit only . As long as you are cranking ...