Bigger injectors didnt fix it :(

[Rob Higgins]

Dumb question . . . is the exhaust free?

----- Original Message -----
From: olbap <olbap at mail.mia.bellsouth.net>
To: <gmecm at diy-efi.org>
Sent: Tuesday, May 30, 2000 9:07 AM
Subject: Re: Bigger injectors didnt fix it :(


> I dont know what to think anymore, i ran a fuel pressure gauge and im
> getting minimal pressure drp at high rpm (about two psi at most) made a
few
> adjustments in the prom, and im not going lean, ive made sure of this now,
> it simply does not pull past 4500 rpm. I think i was just hoping thats
what
> it was. I just had the ignition module crap out on me, changed it and the
> car feels alot smoother but still nothing past 4500.. perhaps even sooner,
> rpm. Fuel is there, theres no knock.. . weak spark? Ive changed the
> distributor, module, pick up coil, and have tried my old ignition coil...
I
> suppose i could try it again maybe my fuel wasnt right before upthere, i
> dont know. Theres pretty much nothing else I can think of.
>
> Pablo
>
>
> At 07:52 PM 5/27/00 -0400, you wrote:
> >olbap wrote:
> >>
> >> Still going lean, drowning the motor up to 4000 though
> >>
> >> Maybe the cheap parts store pump wasnt the best idea
> >>
> >> I take it if i see a pressure drop on a fp gauge up there thats a bad
thing
> >>
> >> really though, if it wasnt the pump what could it be?
> >>
> >> oh well, here comes pump change number 5, im getting really good at
this
> >> Pablo
> >
> >Maybe your fuel lines aren't large enough diameter to keep up
> >with the flow demands above 4000 rpm.
> >
> >--
> >Glen Beard  95 T/A conv M6
> >355, Vortech, heads, cam...
> >http://home.nycap.rr.com/gbeard1/TransAm.html
>
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