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#26 | |
Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,626
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Re: Black Smoke, have to screw idle/air all the way down
Quote:
Don't worry about running out of fuel at that pressure. Mine was good with 2 carbs right to 5500 rpm and 120 mph. The key to getting your mix screws responsive is in closing the throttle down to cover the transition slot. Might be hard to do on your carb. With increased initial you'll likely need to limit your mechanical and vac advance. Good to see (hear) you got it crankin'!! |
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#27 | |
Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,626
|
Re: Black Smoke, have to screw idle/air all the way down
Quote:
Don't worry about running out of fuel at that pressure. Mine was good with 2 carbs right to 5500 rpm and 120 mph. The key to getting your mix screws responsive is in closing the throttle down to cover the transition slot. Might be hard to do on your carb. With increased initial you'll likely need to limit your mechanical and vac advance. Good to see (hear) you got it crankin'!! You might want to verify your timing tab/balancer to see if your 22 degrees is accurate. http://www.crankshaftcoalition.com/w...op_dead_center |
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#28 |
Registered User
Join Date: Apr 2010
Location: Boise, ID
Posts: 1,280
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Re: Black Smoke, have to screw idle/air all the way down
Will do, it seemed wrong to me too. The timing mark went to above the reader a little. Had to turn the disti almost hard over counter-clockwise but its performing the best it ever has.
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#29 | |
Registered User
![]() Join Date: Feb 2007
Location: Star Valley, WY
Posts: 2,038
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Re: Black Smoke, have to screw idle/air all the way down
Quote:
__________________
Steve 1971 GMC Longbox. Full Roller Stroker 489 w/ FiTech EFI, Chris Straub Cam/NV4500/205/D60/14B w. Grizzly Locker and 4.11's. 2" Lift on 33's |
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#30 |
Registered User
Join Date: Apr 2010
Location: Boise, ID
Posts: 1,280
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Re: Black Smoke, have to screw idle/air all the way down
Thank you I will.
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