Low power 5.0 TPI

[Marteney, Steven J.]

Still running 19lb/hr injectors?  Maybe no fuel past 4500.

No knock?  Hmm, would be suspicious.

My 350 falls flat at 4500 too, but runs like a scalded dog til then, with
the stock plenum and runners.
Steve

-----Original Message-----
From: Programmer [mailto:nwester at eidnet.org]
Sent: Friday, October 27, 2000 12:34 PM
To: gmecm at diy-efi.org
Subject: Low power 5.0 TPI


Hi gurus,
Got a weird one here I'm trying to help a performance shop on. Subject
vehicle is an '88 5.0L TPI with 5 speed and 3.08 ratio--running an AKFU code
'165 computer. This code was a one time vehicle Pontiac Firebird--the whole
thing has been placed in an S10 truck. This thing falls flat after 4500 RPM,
MAF never goes above 175 g/s--pulls timing down to 12 BTDC (with no knock)
and the shop swears this thing should pull like crazy with the internal
engine mods. This thing has the Lingenfelter <sp> intake, TPI runners,
etc...Dart heads, 10.5 CR, blah, blah. FP is good, TPS goes 4.7 WOT, however
this truck is 12 hours away, so I can't personally test....any ideas ?
Lyndon

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