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Message: <blockquote data-quote="slo1" data-source="post: 675395" data-attributes="member: 11807">Hello everyone I have recently done an engine swap and had some problems as I have posted on here Ive gotten everything straightened out but the running rich problem. My build is gt40p heads fms shortiese-303 cam 1.7 roller rockers and forged internals. I replaced my injectors with a new set of 19lbh F0TE-D5B they are the four hole injectors the ones I replaced are F1ZE-C2A single hole. I didnt think the difference in injectors would make the car run rich and the idle is up and down ive replaced the iac, tps,both o2s and the temp sensor I can onle get the tps to adjust to .75 neither of the holes are slotted so im turning the base idle screw the idle is at 800 rpms if I cant fix it its goin to coupe performance and Ill let scott mess with it hes going to tune it soon as its fixed anyway but id rather have it running right before I bring it to him so all he has to do is tune</blockquote>