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Originally Posted by 87GN_70GS
What's the biggest turbo I can run on 30# stock replacement injectors, adj fpr , 340 fuel pump, 3" dp, stock D5 and an otherwise stock configuration?
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With stock type injectors you can not upgrade the turbo. When I got my direct scan hooked up two years ago I was running an untouched long block, stock intercooler, stock turbo. My injector pw was 104%. I had maxed them out by just increasing the boost (I was running 110 octane). Upgrade the injectors to 60# and then you won't have to worry about them for a while.
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89 TTA, 23,000 miles, AEM boost controller, sfc, 8" K&N, PI 3000 stall, Caspers heated 02, 3" SS downpipe & interm pipe, MT ET street drag radials, Precision 50# injectors, Turbo Tweak chip, 12.42 @ 107 with very humid head wind.
Coming soon: Precision DBB Billet 6262rs, LS1 MAF & translator, 109 block w/ 4.1L stroker, RJC girdle, ported stock heads, bigger valves, custom ground Erson flat tappet cam, comp 980 springs, RJC power plate, Dutt neck to stock intercooler, custom 3.5" MAF pipe, etc 
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