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Will my TPI setup fit on an older 350 block?

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Old Dec 10, 2013 | 03:53 PM
  #1  
MattGibson1's Avatar
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From: Greenville, IN
Car: 1989 Camaro Iroc-Z
Engine: 5.0
Transmission: 700r4
Axle/Gears: stock
Will my TPI setup fit on an older 350 block?

Hey guys, I have a '89 Iroc with the 305 tpi. I was wondering if my tpi intake would fit on an older 350sbc. I can get a pretty good deal. And since I have centerbolt heads could I just put them on the 350 and run higher compression?
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Old Dec 10, 2013 | 05:11 PM
  #2  
five7kid's Avatar
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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
The block doesn't really care.

You can run your 305 heads on a 350 block. If your 350 has dished pistons, it's a good way to bring the compression back up. If the 350 has flat tops with valve reliefs, you need to watch your CR - might be too high.
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Old Dec 10, 2013 | 08:09 PM
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Tinbender59's Avatar
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From: Near Wichita Ks
Car: 1997 K1500 SS/SB
Engine: LT1 with TPI on top
Transmission: 4L60E/np241,
Axle/Gears: 3.73
Re: Will my TPI setup fit on an older 350 block?

Originally Posted by five7kid
The block doesn't really care.

You can run your 305 heads on a 350 block. If your 350 has dished pistons, it's a good way to bring the compression back up. If the 350 has flat tops with valve reliefs, you need to watch your CR - might be too high.

the only problem that you will have is the angle of the manifold to head bolts, you may have to "egg" out the bolt holes in the manifold. On my LT1 /TPI, I had to move some of the bolts. Nota big deal.
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Old Dec 10, 2013 | 09:31 PM
  #4  
vetteoz's Avatar
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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: Will my TPI setup fit on an older 350 block?

Originally Posted by Tinbender59
the only problem that you will have is the angle of the manifold to head bolts,
you may have to "egg" out the bolt holes in the manifold.
Just like on the aftermarket intakes that fit both style heads

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