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Holley 12R-10658B #563355 12/26/09 08:12 PM 12/26/09 08:12 PM
Joined: Nov 2004 Posts: 1,010 Sandy, OR DART67GT OP super stock
DART67GT OP super stock Joined: Nov 2004 Posts: 1,010 Sandy, OR	I have this carb on my 318 that I bought new in about '94. It is a different design than every other Holley I've ever seen. There are no removable fuel bowls. It is a 650 cfm spread bore double pumper with manual choke. Holley doesn't make this design anymore. I can't find any info on it from the Holley site either. I'm installing a new engine with a square bore intake, so I have no use for it anymore. Are these carbs worth holding on to, or did they quit making them for a reason? Here's a pic of one. 1967 Dodge Dart GT 3.23 sure grip 8.75/727/360 .020 over w/edelbrock heads 2000 Dodge Ram 2500 Quad Cab CTD

Re: Holley 12R-10658B [Re: DART67GT] #563356 12/26/09 08:16 PM 12/26/09 08:16 PM
Joined: Dec 2007 Posts: 148 Raleigh, NC Y Youngblood member
Youngblood member Y Joined: Dec 2007 Posts: 148 Raleigh, NC	IMHO, junk. They only made them a couple years, were supposed to be the greatest thing ever(like today's avenger)I have recently seen this carb branded as a Summit piece, you'll likely see a bunch out there soon.

Re: Holley 12R-10658B [Re: Youngblood] #563357 12/27/09 12:20 AM 12/27/09 12:20 AM
Joined: Jan 2003 Posts: 9,826 las vegas 70AARcuda master
70AARcuda master Joined: Jan 2003 Posts: 9,826 las vegas	the number you posted is a casting number ... the carb is a holley 4010 or 4011 series. Tony 70 AARCuda Vitamin C 71 Dart Swinger 360 10.318 @ 128.22(10-04-14 Bakersfield) 71 Demon 360 10.666 @122.41 (01-29-17 @ Las Vegas) 71 Duster 408 (10.29 @ 127.86 3/16/19 Las Vegas)

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