Question about my mods and running lean

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04-06-2008, 06:47 PM

#11

jlw2387

3rd Gear Member

Join Date: Apr 2006

Location: Springfield IL

Posts: 579

RE: Question about my mods and running lean

With what youve done, you probly should have a dyno tune anyway.

04-06-2008, 07:14 PM

#12

2000GT4.6

6th Gear Member

Join Date: Jan 2004

Location: United States

Posts: 12,575

RE: Question about my mods and running lean

Quote:

ORIGINAL: oxfordgt

Your about 60hp away from needing to upgrade injectors. But if you get to the dyno and the tuner tells you need to upgrade tell him to eat **** and up the fuel pressure. 19# injectors at 85psi will function as 30lbs injectors. And don't worry the incectors handle 100psi. But you will not need to upgrade you fuel system with your mods.

How are you going to see 100 or even 80 PSI on the stock pump? I don't see 80 PSI out of my SVT Pump....

At 300 your right on the edge, you will have to see what happens. Even if they work, make sure your tuner checks the duty cycle... if they are nearing 100 percent duty cycle they will wear prematurly and cause problems.