Quote:
Originally Posted by rons69camaro
I'm building a LS390 from a LQ9 block with twin turbos. My goal is to have ~850 hp with Holley's EFI system and use the car for AutoX. The different calculators I've found are estimating my injector need to be ~65 lb/hr - 85 lb/hr. Looking at similar builds, it looks like people are using all the way from the low side to way bigger. Does anyone have any suggestions as to what size to use or even what brand? I'm also looking for a fuel regulator to adjust off of the boost pressure if anyone has any advice.
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Cannot go wrong with Injector Dynamics
www.injectordynamics.com By far the best high-flow injectors I've used (and I've tried them all).
They also have full calculator on site for sizing that works quite well
I'd still run a return-less fixed pressure system using Vaporworx control system
www.vaporworx.com For that power level, can run dual pumps (maybe TI-267's) staged with boost.
Dave