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Old 08-15-2011, 07:01 AM   #7

GretchenGotGrowl's Avatar
Drives: LFX/F150/Sonic/C7 Z06 ordered
Join Date: Sep 2010
Location: Little Rock, AR
Posts: 6,183
Originally Posted by Beau View Post
Sometimes thinking outside of the box is useful.

For all of you who are struggling with FI due to fueling, I have a suggestion to make.

Add port fueling...

There is going to be a lot of conjecture and theories, but from experience with adding port fuel on top of a stock DI vehicle, it works, and works just fine.

Just make sure that you are hitting the back of the valves with your injector. How to do this?

I'd suggest looking into an LY7 Lower intake manifold, it'll likely bolt right up. It'll already have the correct bosses in there, and if the fuel rail doesn't fit with the LLT upper, run the LY7 upper.
It is one of the things we are looking at. However, if we can keep it all DI then we can maintain the cooling benefits that comes with it.
EFR Twin Turbo LFX-GPI Tune-ZL1 fuel pump-10:1 CR forged pistons-3.45 gear-Meth Injection-BMR Trailing Arms, Bushings & Sway Bars-CircleD 4000 Stall-GPI Fuel Enrichment System
647 RWHP & 726 RWTQ @18.5 psi on 93 Octane (locked converter)
1/8 mile -- 7.158 @ 102.10 (20psi); old build
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