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Forced Induction & Tuning
Ignition issues? Tuning issues?
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<blockquote data-quote="mrsn95guy" data-source="post: 1434990" data-attributes="member: 21166"><p>Got a few questions I'm curious on,</p><p>1) after car warms up above 160 degrees, I get a stumble at idle and during tip in (really bad at tip in). Once over 2k rpm and in boost it runs like a raped ape. I am having trouble pin pointing it in the tune it's a very quick blip and doesn't do it all the time; this leads me to after start enrichment, warm up enrichment or accel enrichment. I can't really locate mis hap on data log but I feel it in throttle. </p><p>2) I have 60lb injectors on a 302 turbo car, I've changed dead time to .887ms to accommodate for the oversized injector. How far can I take it before doing damage to the injector driver, can the oversized injectors be some of the above mentioned problems. I'm planning on a 351 and I know they will be sized just right and don't really wanna waste money on injectors I would install on a throw away motor. </p><p></p><p></p><p></p><p>3) can the clutch slip only under boost, when I romp on it after banging through gears I get a clutch smell but it bites normally during normal driving.</p></blockquote><p></p>
[QUOTE="mrsn95guy, post: 1434990, member: 21166"] Got a few questions I'm curious on, 1) after car warms up above 160 degrees, I get a stumble at idle and during tip in (really bad at tip in). Once over 2k rpm and in boost it runs like a raped ape. I am having trouble pin pointing it in the tune it's a very quick blip and doesn't do it all the time; this leads me to after start enrichment, warm up enrichment or accel enrichment. I can't really locate mis hap on data log but I feel it in throttle. 2) I have 60lb injectors on a 302 turbo car, I've changed dead time to .887ms to accommodate for the oversized injector. How far can I take it before doing damage to the injector driver, can the oversized injectors be some of the above mentioned problems. I'm planning on a 351 and I know they will be sized just right and don't really wanna waste money on injectors I would install on a throw away motor. 3) can the clutch slip only under boost, when I romp on it after banging through gears I get a clutch smell but it bites normally during normal driving. [/QUOTE]
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