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General Discussion
what do ya use to supply some fuel?
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<blockquote data-quote="JimboCa" data-source="post: 237060" data-attributes="member: 4737"><p>60 Psi is more than max for any injector size with port injection.</p><p>Unless your engine spins at more than 6000 rpm constant, there is really no use to switch to a higher GPH pump.</p><p>The problem with Changing to bigger injectors is not the issue with the pumps, but in the fueling tables programed on the EPROM in the ECM. You have to, at the very least, change the base pulse width to match the injectors you are using, especially with a speed density TPI computer. The earlier MAF computers will adjust somewhat, but they are very slow ECMs, and still dont self adjust enough. An Adjustable FPR does help a little, but Chip adjsutments still need to be done.</p><p>30# injectors should do the job just fine for your goal, but, keep in mind stock TPI hardware does not breathe worth a damn a little before 5000 rpm.</p></blockquote><p></p>
[QUOTE="JimboCa, post: 237060, member: 4737"] 60 Psi is more than max for any injector size with port injection. Unless your engine spins at more than 6000 rpm constant, there is really no use to switch to a higher GPH pump. The problem with Changing to bigger injectors is not the issue with the pumps, but in the fueling tables programed on the EPROM in the ECM. You have to, at the very least, change the base pulse width to match the injectors you are using, especially with a speed density TPI computer. The earlier MAF computers will adjust somewhat, but they are very slow ECMs, and still dont self adjust enough. An Adjustable FPR does help a little, but Chip adjsutments still need to be done. 30# injectors should do the job just fine for your goal, but, keep in mind stock TPI hardware does not breathe worth a damn a little before 5000 rpm. [/QUOTE]
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what do ya use to supply some fuel?
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