305 to 350TPI, what do I need to do??
09-29-2017, 03:10 PM
#1
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Join Date: Feb 2017
Location: Oakville, Ontario
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Car: 1991 GTA T-Top / 2014 Mustang GT
Engine: 5L TPI
Transmission: WCT5
Axle/Gears: 3.42
305 to 350TPI, what do I need to do??
I have a 91 GTA with the factory 305 and T5. The car has 400+kms and the motor has already been rebuilt once who knows how long ago - anyways now I think I've blown a head gasket. I have nowhere near enough experience to be able to install an LT1 or an LS and properly wire everything and set the computer, but I would like to purchase a TPI 350 and add some upgrades before it goes in the car. Can someone guide me in the right direction? Also, if anyone in Ontario has a good 350 or even another 305 but from a 5 speed gta then let me know!
09-30-2017, 09:49 AM
#2
Join Date: Dec 2016
Location: Preston, ID
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Car: '85 Camaro
Engine: LG4
Transmission: 4L80E
Axle/Gears: 3.42:1
Re: 305 to 350TPI, what do I need to do??
First get a new pair of Felpro 8510PT head gaskets and replace them to get the car running, then start hunting a '96-up Vortec 350. Scoggin-Dickey offers the TPI base for those heads, if you decide to keep the TPI.