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- - carb question (https://67-72chevytrucks.com/vboard/showthread.php?t=569067)

kaynnon

03-04-2013 05:44 PM

carb question

1 Attachment(s)

anyone know why someone would drill this plug out? it didnt have any suction on it at idle

geezer#99

03-04-2013 05:57 PM

Re: carb question

THat's the access plug to the APT. Adjustable Part Throttle.
What it does is in this link down about 3/4 of the page.
http://www.crankshaftcoalition.com/w...#Trouble_spots
Somebody likely drilled the hole in it so they could pop it out if needed.

kaynnon

03-04-2013 06:46 PM

Re: carb question

thanks, i feel better now

geezer#99

03-04-2013 06:55 PM

Re: carb question

Might not hurt to put a little dab of grease in the hole to keep the fine dirt out.

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