want fuel presure on talon injectors ??

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Jul 14, 2002 | 09:07 AM

89dxhunchback

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Joined: Apr 2002

Posts: 922

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From: Lakeland, FL, U.S.

want fuel presure on talon injectors ??

I've been trying to tune the car with my apexi afc, but in can't seem to take enough fuel away, so I put an adjustable FPR on now, how much fuel presure should I run, with the apexi at stock settings ??? Stock pump, pm6, talon injectors (450cc)...

No forced induction ( yet ), just a lowly 75 shot ( TORQUE !!! )...

I know the stock pump will fall off at 62 psi ( on the spary ), but it will ALWAYs stay steady at 44psi at wot ( stock FP )...

All I'm worried about right now is the car, running good on the motor after the talon injecotrs ( NOS isn't a consern right now

.).

[Modified by 89dxhunchback, 7:32 PM 7/14/2002]

Jul 14, 2002 | 09:45 AM

Tbone

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Joined: Mar 2001

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From: North East

Re: want fuel presure on talon injectors ?? (89dxhunchback)

Are you running forced induction?

Jul 14, 2002 | 09:55 AM

-TJ

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Joined: Dec 2001

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From: Probably somewhere in an EF

Re: want fuel presure on talon injectors ?? (Tbone)

I don't think your stock pump is going to be able to maintain the pressure. I had 310's and on the dyno the fuel pressure slowly fell off.

With a better pump (walbro, bosch), you'll be ok.

I've got 450's and a Zdyne gold running 9psi. Idle FP is 25psi, full boost is 48. That's with the vac hose on.