2nd Generation Specific 1986-1992 Discussion

should i go to 550cc or 720cc

Old 02-09-2006, 12:17 PM
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hey guy i have s4 no turbo extended street port or extreme street port engine in a s5 rx7 and also puting a megasquirt on the car .i also have i high presser fuel pump. And i was wondering if i should upgrade the secondary injectors because my power ban is from 4500 to 8500. but i dont realy no how much horse power it is creating i know it is around 210
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Old 02-09-2006, 03:21 PM
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Is an upgrade NEEDED where you are now...probably not. Should you upgrade if you go any further (IE: standalone) sure...550cc on the NA would be more then enough to tune 210hp w/in a decent range w/out stressing out the stock 460s... and it leaves room for NOS or something...
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Old 02-09-2006, 03:22 PM
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720cc would be too much on a SP nonturbo motor...
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Old 02-09-2006, 04:35 PM
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if you've got a standalone just get whatevers cheaper
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