TPI in a older 350?
Joined: Jul 1999
Posts: 10,950
Likes: 26
From: Orange, SoCal
Car: 1990 Pontiac Trans Am
Engine: 355 TPI siamesed runners
Transmission: Tremec T56
Axle/Gears: 12-Bolt 3.73
Re: TPI in a older 350?
'85-'86 TPI intakes have the older-style intake bolt pattern, so you're fine. It was in '87 and newer that have the different intake manifold bolt angle.
Member
Joined: Jul 2006
Posts: 365
Likes: 0
From: Kent, WA
Car: 83 z28
Engine: boat anchor 305 (ex CFI)
Transmission: 700r4
Axle/Gears: 3.23 10 bolt
Re: TPI in a older 350?
Keep in mind that you will need to use 24lb injectors for that 350. 85-86 systems were only used on 305's in camaros/firebirds and use 19lb injectors.
Cheers!!!
Cheers!!!
Senior Member
Joined: Jan 2008
Posts: 272
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From: Moscow Mills, Missouri
Car: Pontiacs, Jeeps
Member
Joined: Jul 2006
Posts: 365
Likes: 0
From: Kent, WA
Car: 83 z28
Engine: boat anchor 305 (ex CFI)
Transmission: 700r4
Axle/Gears: 3.23 10 bolt
Re: TPI in a older 350?
87-up had a different bolt angle for the intake manifold, in 1979 the heads accepted the standard bolt angle intake manifold making the early tpi a better choice. Also in 87, cams were now roller, and the old 2 piece main seal became 1 peice.
cheers!!
cheers!!
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