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  1. turboking15

    Big cam idle adjustment, Holly 4150

    the cam in my 9.5:1 magnum is 242-248 @.050 .550 lift on a 110 lsa, i run my timing locked out at 36 degrees and it idles right at 1000 rpms. as everyone else has said more timing is your friend for idling on large cams. What kind of vac do you see at idle? One thing i did that helped was to...
  2. turboking15

    Wideband idle tuning with large cams

    They are in the header collectors about 10 o'clock with 16" of pipe after them
  3. turboking15

    Wideband idle tuning with large cams

    Timing is locked out at 34, i have a programable 6 if i want a curve but it seems to run the best with it all in all the time. Going to try bumping it up to 36 tonight. I will try a vac gauge tonight as you suggest. Ill have to check on dynamic compression when i have the numbers in front of me...
  4. turboking15

    Wideband idle tuning with large cams

    No pv's, 10" idle in park
  5. turboking15

    Wideband idle tuning with large cams

    Recently got my motor running and have been trying to set idle and get a good base to start street tuning with. Issue i am having is the car runs and smells very rich, but the widebands read 14.5-15.1. I have done some research and most are saying this is very common on cams with a lot of...
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