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Carburetor Doesn't Fit Engine #2999428 12/29/21 10:41 AM 12/29/21 10:41 AM
Joined: Feb 2015 Posts: 265 Philadelphia, PA GTXKARL OP enthusiast
GTXKARL OP enthusiast Joined: Feb 2015 Posts: 265 Philadelphia, PA	Good morning. I have a stock cast 1971 intake and my 4737 Carter AVS with a car gasket 60123 rocks on top of the 53 choke of my 1970 Plymouth GTX. Any ideas now to fix this? I have a N96 hood. Last edited by GTXKARL; 12/29/21 10:45 AM. “Working on cars teaches you patience... and every curse word imaginable.” 1970 Plymouth GTX -- A true gentleman's coupe, but a serious muscle machine.

Re: Carburetor Doesn't Fit Engine [Re: GTXKARL] #2999456 12/29/21 11:44 AM 12/29/21 11:44 AM
Joined: Jun 2008 Posts: 3,916 usa L lewtot184 master
lewtot184 master L Joined: Jun 2008 Posts: 3,916 usa	got a picture? holley choke mechanisms are different than carters. thick insulator gasket may help.

Re: Carburetor Doesn't Fit Engine [Re: GTXKARL] #2999540 12/29/21 02:38 PM 12/29/21 02:38 PM
Joined: Aug 2003 Posts: 43,157 Bend,OR USA C Cab_Burge I Win
Cab_Burge I Win C Joined: Aug 2003 Posts: 43,157 Bend,OR USA	What motor are you working on? 1970-71 383 had Holley czrbs,440 HP had AVS carbs 340 had Thermobogs Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)

Re: Carburetor Doesn't Fit Engine [Re: Cab_Burge] #2999661 12/29/21 08:06 PM 12/29/21 08:06 PM
Joined: Feb 2015 Posts: 265 Philadelphia, PA GTXKARL OP enthusiast
GTXKARL OP enthusiast Joined: Feb 2015 Posts: 265 Philadelphia, PA	Hi it a 440 engine “Working on cars teaches you patience... and every curse word imaginable.” 1970 Plymouth GTX -- A true gentleman's coupe, but a serious muscle machine.

Re: Carburetor Doesn't Fit Engine [Re: GTXKARL] #2999672 12/29/21 08:35 PM 12/29/21 08:35 PM
Joined: Jul 2011 Posts: 956 Chicago PurpleBeeper super stock
PurpleBeeper super stock Joined: Jul 2011 Posts: 956 Chicago	Please show us a picture of where the clearance problem is. I think the 4737 carburetor is the original carb on a 1970 440 with a 4-speed, so it "should" fit....but apparently isn't. 70 Roadrunner convt. street car 440+6, NOS, 4-spd, SS springs '96 Mustang GT convt. street car '04 4.6 SOHC, NOS, auto, lowered "Officer, that button is for short on-ramps"

Re: Carburetor Doesn't Fit Engine [Re: PurpleBeeper] #2999684 12/29/21 08:49 PM 12/29/21 08:49 PM
Joined: May 2019 Posts: 6,240 nowhere S Sniper master
Sniper master S Joined: May 2019 Posts: 6,240 nowhere	Originally Posted by PurpleBeeper Please show us a picture of where the clearance problem is. I think the 4737 carburetor is the original carb on a 1970 440 with a 4-speed, so it "should" fit....but apparently isn't. He says he has a 71 intake, not sure if that should matter though.

Re: Carburetor Doesn't Fit Engine [Re: Sniper] #2999691 12/29/21 09:13 PM 12/29/21 09:13 PM
Joined: Jan 2003 Posts: 10,555 Freeport IL USA poorboy I Live Here
poorboy I Live Here Joined: Jan 2003 Posts: 10,555 Freeport IL USA	I suspect he has the wrong choke housing. I believe he needs the one that was flat on top, but probably has one with the slight bulge. If that is right, he needs to lift the carb off the intake about a 1/4" or replace the incorrect parts. The choices are, the correct choke with the flat plate, or the thicker carb gasket, or the AVS with the extended throttle shafts.

Re: Carburetor Doesn't Fit Engine [Re: poorboy] #2999851 12/30/21 11:37 AM 12/30/21 11:37 AM
Joined: Dec 2003 Posts: 3,519 Lansing, MI 70gtx440dana master
70gtx440dana master Joined: Dec 2003 Posts: 3,519 Lansing, MI	I have an NOS Carter choke for 70 440 if you are needing one PM me. 70 Road Runner 383-4 4 speed FJ5 & black guts 70 Charger R/T 440-4 4 speed FJ5 & white guts

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