Difference between TPI and MPI
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Joined: Nov 2010
Posts: 1,062
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From: Arizona
Car: 1989 Camaro RS--
Engine: MPFI
Transmission: 700r4
Difference between TPI and MPI
Can I ask If there is a differance 5.0 V8 MPI To A TPI
I am buying a 86 Iroc on Friday, And the kid said it is TPI
I did a Vin Check on it and it said 5.0L V8 MPI
Is this a good motor? I know what the TPI can do, I have had one.
Just don't want to buy if its not a good motor.
Any info would be great! Thanks
I am buying a 86 Iroc on Friday, And the kid said it is TPI
I did a Vin Check on it and it said 5.0L V8 MPI
Is this a good motor? I know what the TPI can do, I have had one.
Just don't want to buy if its not a good motor.
Any info would be great! Thanks
Joined: Mar 2000
Posts: 43,187
Likes: 42
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
"Tuned Port Injection" is a "multi port injection" system. So, no, in '86, there wasn't any difference. The usual designation of this GM injection system is "TPI", though.
The 305 is a good, reliable, long-lasting engine with little more than basic maintenance.
The 305 is a good, reliable, long-lasting engine with little more than basic maintenance.
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