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Originally Posted by mellojoe
1) The stock MAF has been proven to be good right up through about 270 to 280whp.
2) If you want the extra bit of reliablity, then you can go with the 370cc injectors, new fuel pump, and S-AFC. Then you should be able to run a full 10psi and be real happy...
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Melloejoe - Good info, but I have to take exception with a couple points...
1) Stock MAF will not do much more than ~250rwhp...mine was hacked to be able to flow ~20% more than stock, and still hit 5.11 volts at less than 260rwhp.
Also, I have a buddy with a S14 KA-T (Z31 T3 @ 9psi, probably ~240rwhp) and his stock MAF maxes out at 5500rpm in 3rd gear and up.
2) And be careful quoting boost numbers with respect to injector size...my 370s, overrun with an extra 10psi with fuel pressure (which is ~412cc), still were at 100% duty cycle at ~9psi form a T3/T04E.
I think 10psi is too much from almost any turbo for 370cc injectors...
- Brian