Time to Feed the F1A
#6
60's will get you pretty far depending on fuel system and how far you want to push. Im pretty much maxed on 60's with my 408 and F1R at 15psi which gets me low 11's and 120+ trap speeds so my guess is 700+ in my full weight AWD SS. I am running a boost ref FPR and see 80psi at the rail when WOT. I also spray a lot of meth 14 gph total with a 200psi pump.
Last edited by MFIC; 04-06-2010 at 01:42 PM.
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#8
Im -8 feed and -6 return also with a Magnafuel MP-4301 pump on a hobbs and the stock pump as a primary Y'd into the -8. Im thinking of going up to some 80# injectors if push any harder should cover 15-20psi.... I run meth to cool the charge. Since Im only 9.2:1 not sure I really need the octane but its nice its there.
Last edited by MFIC; 04-07-2010 at 01:14 AM.
#9
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Well I am only 8:7:1 so I should be fine with 15-18 PSI. BTW were did you get your procharger intake I like the way it goes under and away from the headers, I am looking at doing somthing simular. Somday I will grow up and Build a LSX motor . I was already to far in to my gen1 block and heads when I thought about it. BUT when the day comes a 408 from TSP might be in order