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-   -   Witch spark plugs for alky carb?? (https://www.racingjunk.com/forums/showthread.php?t=31787)

SPEEDNEEDS1 03-06-2012 06:23 PM
Witch spark plugs for alky carb??
 
I normally run a AR3933 on gas. I am new to the alky stuff and was just currious what everyone else is running with a carb and alky..... It is a APD 1150 going on a 540 in a dragster if that helps any.

markdunlap 03-06-2012 07:00 PM
witch
 
NGK R-5671A-9 alcohol. -8 for gas

hammertime 03-06-2012 07:04 PM
Re: Witch spark plugs for alky carb??
 
Originally Posted by SPEEDNEEDS1
I normally run a AR3933 on gas. I am new to the alky stuff and was just currious what everyone else is running with a carb and alky..... It is a APD 1150 going on a 540 in a dragster if that helps any.
3910 and index

SPEEDNEEDS1 03-07-2012 06:25 PM
Thanks, I would have been lost with the 3933.

zipper06 03-07-2012 07:51 PM
I run both autolite and NGK, but like David says you really have to index the Autolites, because of the longer tip.

JMO

Zip.

murrayjest 05-04-2022 04:04 AM
Originally Posted by SPEEDNEEDS1 (Post 253655)
I normally run a AR3933 on gas. I am new to the alky stuff and was just currious what everyone else is running with a carb and alky..... It is a APD 1150 going on a 540 in a dragster if that helps any.
NGK R-5671A-9 alcohol.


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