Low power 5.0 TPI

timsiford at hushmail.com timsiford at hushmail.com
Fri Oct 27 18:20:41 GMT 2000


My biggest question is what is the cam in this motor?  That stock cam will 
act just like he is saying.  I would also check the AFR at the higher RPMs 
to ensure that the 19lb injectors are supplying enough fuel with the stock 
programming.

Tim

At Fri, 27 Oct 2000 10:33:48 -0600, "Programmer" <nwester at eidnet.org> wrote:

>
>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
>
>--------------------------------------------------------------------
>--------
>To unsubscribe from gmecm, send "unsubscribe gmecm" (without the quotes)
>in the body of a message (not the subject) to majordomo at lists.diy-efi.org
>


More information about the Gmecm mailing list