TPI Tuned Port Injection discussion and questions. LB9 and L98 tech, porting, tuning, and bolt-on aftermarket products.
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Polished and Ported , now what ?

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Old 05-15-2002 | 01:24 PM
  #1  
mat89RS's Avatar
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Joined: Apr 2001
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From: Québec
Engine: LT1
Transmission: 700r4
Polished and Ported , now what ?

Hey people , I got a hold of a TPI ... the intake as been ported all around , same for the runner and the plenum . the trottle body is still stock ... I'm currently building a 72 350 SBC 4 bolt.

How much HP - TORQUE can this TPI setup supply to my motor ? Assuming everything is working well without problems.


Can someone also tell me if it's worth it to get a stock Trottle Body modded by SLP that flows 900 cfm for 95 $ ????
Old 05-15-2002 | 01:37 PM
  #2  
tpi_roc's Avatar
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From: Orygun
Its impossible to guess your hp/torque without every part of your combination listed


but you'll never see a terrible amount with stock tpi parts, even ported. You can go a step further and siamese it, but untill you get into aftermarket products the stock TPI base will just never flow enough.

This is evidient first time you put a felpro 1205 gasket under a tpi base.

I'd say you might run around 320-350hp assuming the rest of the combo is up to par
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