Fueling & Injection - Fuel problems...need advice please
02-05-2004, 09:35 PM
So I hooked up a fuel pressure gauge on my car today to see what is wrong with it. NA at idle and WOT I get about 60psi of pressure :) On spray at WOT my fuel pressure bounces between 48-55psi :( So my first guess is my fuel pump is having some trouble :cry: Could this be an injector problem since it is bouncing around so much :confused:
What made me check my fuel pressure is when I am spraying my car starts to backfire really really bad.
Any advice would be nice...thanks.
02-06-2004, 01:02 AM
I would rec. at least a pump you are running out of fuel on the spray. What is your setup...what mods and what hp level? Let me know and I can set you up with what you need.
02-06-2004, 02:19 AM
car is pretty basic....LT headers, true duals, lid, LS1edit tuning...car put down 330rwhp NA.
I spray a 90shot of nitrous, dry kit...car put down 413rwhp on spray. Car has 96k miles on it.
02-06-2004, 02:57 AM
man u need a bigger intank fuel pump and 30 pound injec if u will be spraying a dry kit.
also u got a 99 and they came with a smal inject 26
02-06-2004, 10:55 AM
Agreed I would replace the pump and step to a bigger injector to be safe.
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