Going FI what do I need to change ?

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Dec 18, 2006 | 05:54 AM

lasvegasgs

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Staging Lane

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Going FI what do I need to change ?

I will be buying a short block from TSP in about 6 months in order to run more boost.

I will be adding a D1sc to the motor in hopes of runing about 6-8Psi on the stock bottom end. Is there anything I should change maybe Cam wise before I stick the charger on? Also what kind of HP would I be seeing at 6-8psi. The car does have full exhaust LT's no Cats 3.5 all the way back. Its making 360rwhp on a Mustang Dyno with the current setup. Should make 380 once were done tweaking the exhaust.

Stock 348ci bottom end.
TSP Stage 1 Ls6 Ported Heads
Trqer 2 cam 232/234 .595/.598 112
all the other supporting mods / bolt ons
ARP Head Bolts do I need to Upgrade to Head Studs?
For fuel I have.

225 Intank Walbro
-6 Feed line -6 Return line runing to Aeromotive FPR to Stock Injectors to Stock Fuel Rails. The car is a RX7 which had a Return line system so I just replaced all the fuel lines with Stainless ones. I could always change that -6 return line into a feed line if needed.

Thanks for the advice

Last edited by lasvegasgs; Dec 18, 2006 at 06:59 AM.

Dec 18, 2006 | 05:57 AM

Superman09

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From: MI

might want to check those heads. Having a lower CR is best for FI, not sure how much those heads raise CR. You'll be fine on stock motor with that boost. The LTs will help you out. M6? 475-500 rwhp on the 8 psi i'd guess.

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Dec 18, 2006 | 06:06 AM

EPP

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Dec 18, 2006 | 06:09 AM

lasvegasgs

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Staging Lane

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Updated Fuel part

Dec 19, 2006 | 04:38 AM

lasvegasgs

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Staging Lane

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Anything?

Dec 19, 2006 | 08:26 AM

TNTramair

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From: ne philly

upgrade your injectors...they wont be able to keep up. other than that, looks good at 8#'s. Good luck.

BTW...you have an identical set up to mine. i was gonna use those heads on the new 402 i have but decided to go with a l92 heads. i was told the TSP heads would be fine to run with the D1-SC.