Fuel pump psi???

04-18-2001, 01:31 PM

What should my fuel pump psi be set at.......based on my mods?????? Thanks for your input.

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'90 LX 5.0; 12K original miles (no sh*&); 3.55 gears; pulleys;Edelbrock Performer Heads; BBK shorties; MSD 6AL box w/ blaster 2 coil; Motorsport E303 cam; Pro-M 75mm MAF; BBK 70mm TB; Eibach spring kit; Southside welded subs; K&N cone filter charger; Hurst shifter; fiberglass turbo hood; A/C-less; rear seat-less; cat-less; 2 chamber Flos; Corbeau racing seats (fronts);
30# injectors; 190 lb fp; FPR; TFS track heat Intake - 12.513 @ 112 mph (Pre-inj/fuelpump/FPR/intake)

04-18-2001, 04:26 PM

"Hello......hello......hello.........is there anybody in there? Just knod if you can hear me! Is there anyone home?"

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'90 LX 5.0; 12K original miles (no sh*&); 3.55 gears; pulleys;Edelbrock Performer Heads; BBK shorties; MSD 6AL box w/ blaster 2 coil; Motorsport E303 cam; Pro-M 75mm MAF; BBK 70mm TB; Eibach spring kit; Southside welded subs; K&N cone filter charger; Hurst shifter; fiberglass turbo hood; A/C-less; rear seat-less; cat-less; 2 chamber Flos; Corbeau racing seats (fronts);
30# injectors; 190 lb fp; FPR; TFS track heat Intake - 12.513 @ 112 mph (Pre-inj/fuelpump/FPR/intake)

dinomite · 04-18-2001, 04:41 PM

We don't respond that fast, give things a day.

If your talking about fuel pressure at the fuel pressure, I think your supposed to start at about 35(?) with the vacuum line off.

SLOWPONY · 04-20-2001, 01:41 PM

Try setting the fuel pressure at 42lbs then drop it down a lb or 2. If you go slower adjust it up. Stock fuel pressure is 38lbs. It seems to me that your injectors may be a little big.

04-18-2001, 01:31 PM	#1
bada$$lx Guest Posts: n/a	Fuel pump psi??? What should my fuel pump psi be set at.......based on my mods?????? Thanks for your input. ------------------ '90 LX 5.0; 12K original miles (no sh*&); 3.55 gears; pulleys;Edelbrock Performer Heads; BBK shorties; MSD 6AL box w/ blaster 2 coil; Motorsport E303 cam; Pro-M 75mm MAF; BBK 70mm TB; Eibach spring kit; Southside welded subs; K&N cone filter charger; Hurst shifter; fiberglass turbo hood; A/C-less; rear seat-less; cat-less; 2 chamber Flos; Corbeau racing seats (fronts); 30# injectors; 190 lb fp; FPR; TFS track heat Intake - 12.513 @ 112 mph (Pre-inj/fuelpump/FPR/intake)

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04-18-2001, 04:26 PM	#2
bada$$lx Guest Posts: n/a	"Hello......hello......hello.........is there anybody in there? Just knod if you can hear me! Is there anyone home?" ------------------ '90 LX 5.0; 12K original miles (no sh*&); 3.55 gears; pulleys;Edelbrock Performer Heads; BBK shorties; MSD 6AL box w/ blaster 2 coil; Motorsport E303 cam; Pro-M 75mm MAF; BBK 70mm TB; Eibach spring kit; Southside welded subs; K&N cone filter charger; Hurst shifter; fiberglass turbo hood; A/C-less; rear seat-less; cat-less; 2 chamber Flos; Corbeau racing seats (fronts); 30# injectors; 190 lb fp; FPR; TFS track heat Intake - 12.513 @ 112 mph (Pre-inj/fuelpump/FPR/intake)

04-18-2001, 04:41 PM	#3
dinomite The Dude Join Date: Feb 2001 Location: Arlington, VA Posts: 1,262	We don't respond that fast, give things a day. If your talking about fuel pressure at the fuel pressure, I think your supposed to start at about 35(?) with the vacuum line off.

04-20-2001, 01:41 PM	#4
SLOWPONY Registered Member Join Date: Nov 2000 Location: detroit,mi Posts: 27	Try setting the fuel pressure at 42lbs then drop it down a lb or 2. If you go slower adjust it up. Stock fuel pressure is 38lbs. It seems to me that your injectors may be a little big.