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Did any TPI bases fit pre-86 heads?

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Old Aug 28, 2013 | 01:55 PM
  #1  
BirdofFireBOB's Avatar
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From: massillon,oh
Car: 88formulatp1
Engine: 5.0
Transmission: 5
Did any TPI bases fit pre-86 heads?

Just pulled a 350 TPI out of an 89 Formi and I've got a perfect engine with pre 86 heads if I can find a TPI base for the early heads.. Help!
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Old Aug 28, 2013 | 02:07 PM
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Tuned Performance's Avatar
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From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: Did any TPI bases fit pre-86 heads?

Elongate the center holes on a 87-88 89-92 base or a 85-86 base is a direct bolt on.
http://www.hotrodlane.cc/Streetstories/choosetpi1.htm

Last edited by Tuned Performance; Aug 28, 2013 at 03:06 PM. Reason: link
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Old Aug 28, 2013 | 11:10 PM
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From: Not in Kansas anymore
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: Did any TPI bases fit pre-86 heads?

Originally Posted by Tuned Performance
..or a 85-86 base is a direct bolt on.


And any TPI base from a 85 - 91 Vette which kept the early bolt angle
(if you are not worried about EGR hookup )
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Old Aug 28, 2013 | 11:23 PM
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Tuned Performance's Avatar
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From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: Did any TPI bases fit pre-86 heads?

The vette intake has the center exhause feed for the egr as well as the rear feed but you would need a lock off plate for the rear egr feed
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Old Oct 20, 2013 | 09:41 AM
  #5  
87redformula's Avatar
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From: CANTON,OH
Car: 89 FIREBIRD FORMULA 350
Engine: 355 ported 113 heads
Transmission: 700R4
Axle/Gears: 3.23 10 bolt form 2000 T/A
Re: Did any TPI bases fit pre-86 heads?

the edelbrock 3860 fits both. the center holes are machined for both angles and give special washers to use. I just put this intake on a 355 build with 113 vette heads. Im pretty sure the holley stealth ram is the same way also but you would have to double check that.
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Old Oct 20, 2013 | 10:29 AM
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Car: 1984 Camaro Berlinetta
Engine: LT1
Transmission: T56 6-speed
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Re: Did any TPI bases fit pre-86 heads?

If you don't want to modify the center holes on an 87+ intake I've got an 85-86 TPI intake available..... Just send me a PM with your ZIP code if your intrested.

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