Heads on a TPI
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Joined: Sep 2004
Posts: 49
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From: Fulton, Mo
Car: 89 Firebird Formula 350
Engine: 5.7 liter 350 tpi
Transmission: 700 r 4
Heads on a TPI
i just found out one of the heads are cracked on my 89 350 tpi motor i was wondering if any 350 heads would fit it??? i dont know when the heads changed to the new bolt pattern...
any help would work
or if any one has a set of heads in missouri that could help too
thanks dan
any help would work
or if any one has a set of heads in missouri that could help too
thanks dan
Supreme Member
iTrader: (20)
Joined: Aug 2007
Posts: 1,111
Likes: 1
From: chicago
Car: 87 GTA
Engine: 385 sbc
Transmission: 700r4
Axle/Gears: 2.73 posi
Re: Heads on a TPI
try and find a set of vortec heads . i had a set on my 355 and they where great and pretty cheap. you can get up to .480 lift cam with no mods on the heads.
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Joined: Jan 2006
Posts: 393
Likes: 0
From: Central Alberta,Canada
Car: 88 Iroc Vert/ 1980 Z28
Engine: 305 TPI/ 350
Transmission: 700R4/ TH350
Axle/Gears: 2.73posi/ 3.08 Open
Re: Heads on a TPI
No, you have to buy a vortec style intake for it to work on a TPI. Scoggin dickey parts has them.
Re: Heads on a TPI
With a simple valve cover change, along with a little routering of the 4 center intake manifold bolt holes, you could use any 350 head from about 1970-1986. If you want to stick with centerbolt heads, any 87-92 350 head will be a direct bolt-on. Of course, you'd be best off using the original 083 centerbolt casting that's on your motor. The centerbolt truck heads have larger chambers and the ports don't flow as good. Same with any of the TBI heads for that matter. If you're doing this on a budget, that pretty much rules out using the vortecs since the special Scoggin-Dickey manifold you have to use with them runs about $400.
Last edited by Pat Hall; Nov 14, 2007 at 01:19 AM.
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