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The Terminator
Engine/Tuning
Need some Advice on fueling
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<blockquote data-quote="fairlady2jz" data-source="post: 16981914" data-attributes="member: 86610"><p>Hello everyone, I'm looking for some specific advise on fueling for my 04 cobra roller build and it's related to the factory 39lb injectors, just hear me out lol.</p><p></p><p>I've read a bit and I'm aware of the 39lb injectors maxing out around 500 to 550 rwhp which that's my goal on 93.</p><p></p><p>My dilema is do I stay with returnless to do a BAP with ford gt pumps and the 39lbs or should I do a return style (which I have most of the parts) with twin 465 pumps -8 feed and -6 return? </p><p></p><p>Would doing the return style keep me safer due to the added fuel volume? </p><p></p><p>Would having the base fuel rail pressure let's say at 50lbs be an issue for the cobra 39lbs on the return style since typically they are set lower and ramped up with the pwm on the return less style?</p><p></p><p>BTW setup is a built teskid with jp flat top pistons, h beam rods, arp hardware, kellog crank, 9 thread heads fully done with home porting and stock cams. Eaton is stage 4 ported by stiegemeier with a 2.79 upper and a 4 or 6 lb lower.</p></blockquote><p></p>
[QUOTE="fairlady2jz, post: 16981914, member: 86610"] Hello everyone, I'm looking for some specific advise on fueling for my 04 cobra roller build and it's related to the factory 39lb injectors, just hear me out lol. I've read a bit and I'm aware of the 39lb injectors maxing out around 500 to 550 rwhp which that's my goal on 93. My dilema is do I stay with returnless to do a BAP with ford gt pumps and the 39lbs or should I do a return style (which I have most of the parts) with twin 465 pumps -8 feed and -6 return? Would doing the return style keep me safer due to the added fuel volume? Would having the base fuel rail pressure let's say at 50lbs be an issue for the cobra 39lbs on the return style since typically they are set lower and ramped up with the pwm on the return less style? BTW setup is a built teskid with jp flat top pistons, h beam rods, arp hardware, kellog crank, 9 thread heads fully done with home porting and stock cams. Eaton is stage 4 ported by stiegemeier with a 2.79 upper and a 4 or 6 lb lower. [/QUOTE]
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Need some Advice on fueling
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