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12-19-2021, 12:37 PM
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CC Member
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Join Date: May 2015
Posts: 630
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Not Ranked
High Speed (inner) Air Bleeds dirty...
Clean them and it keeps coming back? Both front and rear...
Holley XP 850
433W
615 Dyno HP
Juice cam
Run pump gas with a healthy dose of klotz fuel additive.
Ideas?
__________________
Superformance 1764
Built 427W
Aiken SC USA
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12-19-2021, 01:57 PM
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CC Member
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Join Date: Feb 2018
Location: Lodi,
CA
Cobra Make, Engine: 427 manowar forged crank roller rockers . BIG CAM.
Posts: 785
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Not Ranked
sounds like dirt bypassing air filter or no air filter
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12-19-2021, 03:12 PM
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CC Member
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Join Date: May 2015
Posts: 630
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Not Ranked
Nope
Nice tight air cleaner, just dirty around the bleeds…
__________________
Superformance 1764
Built 427W
Aiken SC USA
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12-19-2021, 03:24 PM
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CC Member
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Join Date: Sep 2002
Location: Grand Rapids,
MI
Cobra Make, Engine: FFR Challenge Car, RDI aluminum 427w
Posts: 357
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Not Ranked
Are the bleeds plugged? Or just discolored? Think these are making it run bad?
Jim
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12-19-2021, 04:30 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,018
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Not Ranked
Pull your bowls off and look to see if anything, especially metering blocks, look like mine did. Look for white flaky stuff, similar to Ellie's butt fur. 
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12-19-2021, 04:46 PM
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CC Member
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Join Date: May 2002
Location: SF, Bay Area,
CA
Cobra Make, Engine: SPF832, 466cid
Posts: 505
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Not Ranked
Quote:
Originally Posted by tortuga
Clean them and it keeps coming back? Both front and rear...
Holley XP 850
433W
615 Dyno HP
Juice cam
Run pump gas with a healthy dose of klotz fuel additive.
Ideas?
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Do you notice this affecting your performance or are you only making an observation that your HSABs are dirty? |
12-19-2021, 06:41 PM
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CC Member
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Join Date: May 2008
Location: Brisbane,
QLD
Cobra Make, Engine:
Posts: 2,797
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Not Ranked
What air filter are you using?
How often are you at wide open throttle?
Do you have a photo of this "dirty" condition?
__________________
Gary
Gold Certified Holden Technician
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