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Thread size on Holley (Howell) TBI idle screw [message #180381]

Wed, 15 August 2012 14:17

RF_Burns

Messages: 2277
Registered: June 2008
Location: S. Ontario, Canada

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Senior Member

I guessing I did the idle setup so many times before I got the EBL that my idle adjust screw is loose. I keep needing to re-adjust it because it backs off and the IAC needs to open further and further... I'm up to the high 20's count again now so I need to reset it again.

I'd like to put a jam screw against it but I can't find one that fits.

Looks like a fine thread 3/8" but I'm thinking its maybe a metric?

Thanks

Bruce Hislop
ON Canada
77PB, 455 Dick P. rebuilt, DynamicEFI EBL EFI & ESC.
1 ton front end
http://www.gmcmhphotos.com/photos/showphoto.php?photo=29001
My Staff says I never listen to them, or something like that

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[Message index]

		Thread size on Holley (Howell) TBI idle screw By: RF_Burns on Wed, 15 August 2012 14:17
		Re: Thread size on Holley (Howell) TBI idle screw By: George Beckman on Wed, 15 August 2012 16:20
		Re: Thread size on Holley (Howell) TBI idle screw By: RF_Burns on Wed, 15 August 2012 17:19
		Re: Thread size on Holley (Howell) TBI idle screw By: Matt Colie on Wed, 15 August 2012 20:50
		Re: Thread size on Holley (Howell) TBI idle screw By: RF_Burns on Thu, 16 August 2012 05:38

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