TPI Tuned Port Injection discussion and questions. LB9 and L98 tech, porting, tuning, and bolt-on aftermarket products.
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tpi combination, good choice?

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Old Jan 14, 2005 | 05:14 PM
  #1  
panther's Avatar
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20 Year Member
 
Joined: May 2002
Posts: 168
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From: Michigan
Car: 1987 Iroc
Engine: 5.7
Transmission: 700R4
tpi combination, good choice?

I am about to place an order for the top end and exhaust of a mild L98 to replace my current L98. Here is what I plan to order;

AFR 180 heads
ZZ4 cam
Scorpion 1.5RR
Comp Cams Hardened Rods
Heddman 1-5/8" LT's
Flowmaster American Thunder exhaust

Currently, the short block has been fully machined, decked and bored (.030") with KB flat tops that will give me 10.1 compression with 64cc and 9.7 with 68cc (AFR 180).

I have posted this here because I FULLY intend to keep the MAF TPI system. I thought long and hard about it and I want the engine bay to look stock minus the emissions stuff. I would like to know if anyone with similar combinations would change anything from their experience. Also, if you do have a setup close to this, do you have any type of performance numbers? I'm hoping I will produce a decent amount of low end torque by keeping the TPI.
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Old Jan 14, 2005 | 07:29 PM
  #2  
91 z28 350's Avatar
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Joined: Dec 2001
Posts: 388
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Car: 91 Z28
Engine: 350 TPI
Transmission: 700R4
im thinking about doing the same combo just diffrent cam but i also want to get a edelbrock intake manifold and some aftermarket intake runners (not sure which ones yet)
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