CORRECT 1972 440HP Holley carburetor numbers & applicati

Technical Question and Answer - On topic to 71-74 Plymouth B-bodies only.

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CORRECT 1972 440HP Holley carburetor numbers & applicati

Post by 1972 Road Runner GTX » Mon Feb 18, 2008 12:33 pm

This should put an end to any question as to what Holley 4160-series 4-barrel carburetor your 1972 440HP powered Road Runner GTX or Charger Rallye should have on it and will clarify the factory typos/errors on the parts listings:

#6252 440HP 4-speed (I need one of these)

#6253 440HP Automatic (I have a couple of these)

#6254 440HP 4-speed w/Air Grabber/Ramcharger hood

#6255 440HP Automatic w/Air Grabber/Ramcharger hood

#6256 440HP 4-speed w/California emissions

#6257 440HP Automatic w/California emissions

#6258 440HP 4-speed w/California emissions and Air Grabber/Ramcharger hood

#6259 440HP Automatic w/California emissions and Air Grabber/Ramcharger hood

#6160 440LP

#6290 440LP w/ California Emissions


(the last two carbs are the ones you commonly see being pawned off as "GTX or Charger 440 carbs"...they are NOT correct, and are basically what would be found on lo-po Chryslers, etc. with the base 440LP, in other words, there are a ton of them out there)
Last edited by 1972 Road Runner GTX on Mon Feb 18, 2008 1:29 pm, edited 4 times in total.
1972 Road Runner GTX, 4-speed, all #'s match
1972 Polara Pursuit, 440 Magnum, all #'s match
1975 White Freightliner 8664 COE, all #'s match

"Doin' it to it like Sonny Pruitt!"

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Post by Eric » Mon Feb 18, 2008 1:20 pm

good info!
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Post by Eric » Mon Feb 18, 2008 1:29 pm

Hey 1972 Road Runner GTX, I just noticed you're in Columbus! We'll have to meet up some time.

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Post by 1972 Road Runner GTX » Mon Feb 18, 2008 1:30 pm

Absolutely, love to! You can reach me anytime at 614-893-3857.
1972 Road Runner GTX, 4-speed, all #'s match
1972 Polara Pursuit, 440 Magnum, all #'s match
1975 White Freightliner 8664 COE, all #'s match

"Doin' it to it like Sonny Pruitt!"

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Post by Eric » Mon Feb 18, 2008 1:39 pm

Are you going to the winter classic this Saturday at the Ohio fairgounds?
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Post by bruce » Mon Feb 18, 2008 1:41 pm

You guys ever heard of PM? :lol:















Just playin' Eric, and padding the post count... :D
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Post by Eric » Mon Feb 18, 2008 1:43 pm

I've had about enough of you Bruce :lol:

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Post by 1972 Road Runner GTX » Mon Feb 18, 2008 1:58 pm

Yep, I'll be there.
1972 Road Runner GTX, 4-speed, all #'s match
1972 Polara Pursuit, 440 Magnum, all #'s match
1975 White Freightliner 8664 COE, all #'s match

"Doin' it to it like Sonny Pruitt!"

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Updated list with part numbers for 1972 Holley 440 carbs...

Post by 1972 Road Runner GTX » Mon Feb 18, 2008 1:59 pm

With the FACTORY part # and the SERVICE part # (factory #/service #):

#6252 (3614156 / 3621387) 440HP 4-speed (I need one of these)

#6253 (3614157 / 3621388) 440HP Automatic (I have a couple of these)

#6254 (3614158 / 3621389) 440HP 4-speed w/Air Grabber or Ramcharger hood

#6255 (3614159 / 3621390) 440HP Automatic w/Air Grabber or Ramcharger hood

#6256 (3614170 / 3621393) 440HP 4-speed w/California emissions

#6257 (3614171 / 3621394) 440HP Automatic w/California emissions

#6258 (??????? / 3621391) 440HP 4-speed w/California emissions and Air Grabber or Ramcharger hood

#6259 (??????? / 3621392) 440HP Automatic w/ California emissions and Air Grabber or Ramcharger hood

#6160 (3614140 / 3614140) 440LP

#6290 (3614141 / 3614141) 440LP w/ California Emissions
1972 Road Runner GTX, 4-speed, all #'s match
1972 Polara Pursuit, 440 Magnum, all #'s match
1975 White Freightliner 8664 COE, all #'s match

"Doin' it to it like Sonny Pruitt!"

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Post by bruce » Mon Feb 18, 2008 2:38 pm

Cool, great info! :beer:
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Post by 1972 Road Runner GTX » Mon Feb 18, 2008 2:49 pm

Thanks also to Bob Stewart in Michigan, with the '72 440, 4-speed Charger Rallye for helping out with all the info. Now, does anyone know where I can find a #6252??? HELP!!!
1972 Road Runner GTX, 4-speed, all #'s match
1972 Polara Pursuit, 440 Magnum, all #'s match
1975 White Freightliner 8664 COE, all #'s match

"Doin' it to it like Sonny Pruitt!"

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Post by 71440 gtx » Mon Feb 18, 2008 3:20 pm

nice toy

i looking for 71 440 hp 4speed carb 4967 avs 750 cfm
all i find are 440 lp 4966 625 cfm or 49 68 440 hp 750cfm auto
:cry:
71 gtx 440 4speed air grabber blue on blue with white vinyl roofOption cassette player


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Post by 72RoadRunnerGTX » Mon Feb 18, 2008 6:06 pm

Hey 1972 Road Runner GTX,
Curiously, are you looking for this carb to be “numbers correct” on the list number stamping? Even back then that 4160 series Holley had a notorious reputation for being unreliable. Especially on those c-body 440 apps; as they tended to run higher under hood temps. Warped metering blocks, warped throttle bodies, and caps pressed into the fuel supply that leaked that many times resulted in under hood fires. As I recall, back then there was retrofit kit sold through Chrysler parts to replace them with a Carter AVS. Got to a point where the dealer I worked for wouldn’t touch them, only option was replacement. On cars a year or two old mind you. I’ll bet I’ve s*** canned a bunch of those 4160s back in the day. Good luck in your search.
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Post by 1972 Road Runner GTX » Mon Feb 18, 2008 6:35 pm

Yes, I want a #6252 carb for my car, I am looking for a numbers-correct carb. I don't care about the condition as It will be rebuilt/restored anyway.
1972 Road Runner GTX, 4-speed, all #'s match
1972 Polara Pursuit, 440 Magnum, all #'s match
1975 White Freightliner 8664 COE, all #'s match

"Doin' it to it like Sonny Pruitt!"

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