LeftLane Z06

Winter build
WCCH stage 2 ls7 ported heads
Katech Torquer LS7 110 Camshaft / C5-R chain
Nick Willams 102mm throttle bodies
Fast 102 intake with Fast Billet Fuel Rail
Halltech Super Bee MF103 cai
Kooks 1 7/8" headers w/o cats
muffler modded exhaust cans

With these mods will I need bigger injectors? Not sure on milling the heads yet..

ClarksZ06

No. My build is similar but with bigger cam and stock injectors is fine. Usually go bigger around 600 rwhp.

Michael_D

It depends.... If you do not go above 80% duty cycle at WOT - fourth gear, peak rpm, you won't. When you start bumping up to the 90% range is when you need to consider a larger injector.

AzDave47

Would a 1-mile pull at full throttle in 5th gear after a 4th gear 7K rpm shift be in that 90%+ range?

Michael_D

I don't know what rpm in fifth would have the same load as forth, so I can't really answer your question with any accuracy.... I reckon Katech or LG would know.

It would be interesting to see engine load comparison between a 1/1 drive train ratio at peak rpm and a higher ratio as in fifth, and where the two curves match. Typically when tuning WOT, you do it in fourth gear and run it up to redline.

AzDave47

These were the full throttle runs in the Mojave Magnum, so the load on the engine in 5th was more than the load at redline in 4th (picked up 34+ MPH).

LeftLane Z06

Thanks for the info!! just gathering info for the parts list.