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SVTPerformance's Chain of Restaurants
Tuning À la carte
Idle Issue. Possible Fuel Pump tuning issue.
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<blockquote data-quote="StrayBullitt" data-source="post: 15550602" data-attributes="member: 181759"><p>Your cams claim "big loping idle" Have you considered just increasing your base idle speed 50-100 rpm ?</p><p></p><p> I can't seem to find your exact cam specs, but I am sure they are similar to mine. Mine are 106 intake centerline, I had them installed straight up on the stock cam gears at 115 degrees for awhile until I bought adjustable gears, with them straight up the idle quality was poor and they ended up being slightly imbalanced bank to bank as well, I had to idle at 900 rpm to compensate for that. Once I degreed them in correctly and got them timed the same on both banks the idle quality was way better, but I still have to idle at around 750. Any lower and it's a little too rough and wants to stall at times. </p><p></p><p>So is your intake center line 110 degrees? If so did you degree them there? If not I would do that first, but most likely you will still end up needing a little more base idle speed.</p></blockquote><p></p>
[QUOTE="StrayBullitt, post: 15550602, member: 181759"] Your cams claim "big loping idle" Have you considered just increasing your base idle speed 50-100 rpm ? I can't seem to find your exact cam specs, but I am sure they are similar to mine. Mine are 106 intake centerline, I had them installed straight up on the stock cam gears at 115 degrees for awhile until I bought adjustable gears, with them straight up the idle quality was poor and they ended up being slightly imbalanced bank to bank as well, I had to idle at 900 rpm to compensate for that. Once I degreed them in correctly and got them timed the same on both banks the idle quality was way better, but I still have to idle at around 750. Any lower and it's a little too rough and wants to stall at times. So is your intake center line 110 degrees? If so did you degree them there? If not I would do that first, but most likely you will still end up needing a little more base idle speed. [/QUOTE]
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SVTPerformance's Chain of Restaurants
Tuning À la carte
Idle Issue. Possible Fuel Pump tuning issue.
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