TPI Tuned Port Injection discussion and questions. LB9 and L98 tech, porting, tuning, and bolt-on aftermarket products.
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Old Oct 21, 2020 | 08:59 AM
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87Darknight's Avatar
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5 Year Member
 
Joined: Sep 2018
Posts: 6
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From: Los Angeles
Car: 2008 G37s coupe/ 1987 T-Top Z28
Engine: 350 TPI
Transmission: 700r4
Axle/Gears: 10: 3:45 or 3:43
TPI enthusiasts.

Greetings guys. I have been a member for awhile, and have been working on my project for quite some time now. I am looking to get some information or insight as to see if I am over looking anything with the current mods I am running to get my Frankenstein project up and running as well as turn it into a monster. Here is a list of the modifications.
I have a 4 bolt main 350 bored .030" over with forged dished pistons, forged "H" beam connecting rods, Forged steel crank, molly plasma piston rings that are gapped .5" inch over for expansion, AFR 195 street runner aluminum heads, 42 lbs injectors, Insky racing cam with .560 valve lift (with 1.6 ratio rocker arms), summit racing 58mm throttle body, billet steel double roller timing chain, Holly Hooker comp headers, high flow water pump, high flow in tank fuel pump pushing 340 LPH. The tpi intake manifold is my weak point I believe and is stock (because I can't shake the nostalgic look), and to top it all off with pro charger P1SC supercharger. Also the transmission is fully modified with a 2000+ stall converter. I will be running this setup for my 1987 Z28. Also I will be looking into the Holley EFI ECU to manage the engine. Thank you for any and all information my mechanical skills go from helping build engines with my grandfather as a teenager, but never went to school for it so its intermediate. All my mods where done by myself with some help.
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