tpi on a sbc 400
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tpi on a sbc 400
I have an 88 irocz 305 tpi..I am looking for more power..I have a 400 block I was wanting to build an throw the tpi on it..can someone tell me what I would have to do to make it run good cause I heard the tpi would lack air on a 400..help please
Last edited by trevor1010; Jun 29, 2014 at 06:08 PM.
Supreme Member
Joined: Jul 1999
Posts: 1,556
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From: Adrian, Mi, USA
Car: 1988 Pontiac Firebird Formula
Engine: 5.7 TPI
Transmission: 700R4
Re: tpi on a sbc 400
You would pretty much have to replace most of the intake itself. Runners, and manifold base, could prolly re-use the plenum though.
As it stands, the TPI runs out of breath at about 4500 RPM on a 350.... adding 50 more cubes is going to lower that number even further.
Of course, you would have GOBS of low-end torque.....
As it stands, the TPI runs out of breath at about 4500 RPM on a 350.... adding 50 more cubes is going to lower that number even further.
Of course, you would have GOBS of low-end torque.....
Supreme Member
Joined: Jul 1999
Posts: 1,556
Likes: 28
From: Adrian, Mi, USA
Car: 1988 Pontiac Firebird Formula
Engine: 5.7 TPI
Transmission: 700R4
Re: tpi on a sbc 400
Stealth Ram would be awesome. 
You would LIKE that. (though your drivers license may not.....)
Mini Ram wouldn't be bad either.....
You would LIKE that. (though your drivers license may not.....)Mini Ram wouldn't be bad either.....
Last edited by ploegi; Jun 30, 2014 at 03:10 PM.
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