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 ID MPFI 
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Joined: Fri Feb 27, 2009 10:21 pm
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Post ID MPFI
I have a MPFI setup in pcs and want to find out what in came from.
Upper plenum 10077151
Manifold 10066013
Fuel Rail 17090102
TB 17059518

Also need all the bolts to put this back together to use on my truck, where can I get them (dress up kit or stock)?

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Wed Jan 26, 2011 8:19 pm
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Joined: Sat Mar 19, 2005 8:15 am
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Location: Mississauga
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Post Re: ID MPFI
Im not familiar with numbers..

If it is TPI..Only difference is the one with 9th injector and one without...


Thu Jan 27, 2011 5:19 am
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Location: Niagara Falls
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Post Re: ID MPFI
Stpman wrote:
I have a MPFI setup in pcs and want to find out what in came from.
Upper plenum 10077151
Manifold 10066013
Fuel Rail 17090102
TB 17059518

Also need all the bolts to put this back together to use on my truck, where can I get them (dress up kit or stock)?


Didn't GM use that MPFI designation on V6's only? Like the 2.8 and 3.1?

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Thu Jan 27, 2011 6:44 am
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Post Re: ID MPFI
It is a Tuned Port setup that has MPFI engraved on the underside of the fuel rails. but definatly a 5.0 or 5.7 system

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Mon Jan 31, 2011 9:57 pm
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Post Re: ID MPFI
It could be aftermarket

IIRC one of the aftermaket companies used to engrave MPFI on the plenum.

Best way is to post a pic


Mon Jan 31, 2011 10:21 pm
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Post Re: ID MPFI
Daz wrote:
It could be aftermarket

IIRC one of the aftermaket companies used to engrave MPFI on the plenum.

Best way is to post a pic


The casting numbers he posted are OEM GM.


Those casting numbers are legit for an OEM TPI setup for a 91-92 TPI motor.

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Tue Feb 01, 2011 1:42 am
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Post Re: ID MPFI
Z28 MeTaL HeAd wrote:

The casting numbers he posted are OEM GM.


Those casting numbers are legit for an OEM TPI setup for a 91-92 TPI motor.


Thanks, now to get it togther and make it run

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Sun Feb 06, 2011 7:34 pm
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Post Re: ID MPFI
Stpman wrote:
It is a Tuned Port setup that has MPFI engraved on the underside of the fuel rails. but definatly a 5.0 or 5.7 system


I always thought they used Tuned Port Injection for the V8's and MPFI on the V6's :?:

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Mon Feb 07, 2011 5:14 pm
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Post Re: ID MPFI
transamtom wrote:
Stpman wrote:
It is a Tuned Port setup that has MPFI engraved on the underside of the fuel rails. but definatly a 5.0 or 5.7 system


I always thought they used Tuned Port Injection for the V8's and MPFI on the V6's :?:



TPI is a form of Multi-Port Fuel Injection..


Mon Feb 07, 2011 5:17 pm
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Post Re: ID MPFI
Some Buick V6s got the tuned port injection designation IIRC.

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Mon Feb 07, 2011 5:19 pm
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