Switching carbs on my 67 - MustangForums.com


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Old 08-07-2006, 03:01 PM   #1  
Rayme
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Default Switching carbs on my 67

Hey, Had a question. What i have is a 67 covertible gta with a 289 a class i believe. It has a holley 650 on it and i've had nothing but problem. I ordered a two barrell holley 2 and just want to sleep tonight knowing it will go on the engine and work for me. Again goin from 4 barrell to 2 barrell. Will it work? Thanks
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Old 08-07-2006, 03:03 PM   #2  
P Zero
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Default RE: Switching carbs on my 67

Itll work just fine, unless your car is a hi-po, then you should replace it with a smaller 4 barrel, something like a 600 should be just right. But if youre really set ona 2bbl, there shouldnt be any problems.
-P.
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Old 08-07-2006, 03:17 PM   #3  
Rayme
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Default RE: Switching carbs on my 67

cool, thanks. I've had the car for about 25 years and if I remember right it had a 2 barrell until a shadetree got ahold of it and beefed it up. Love the speed but now its shot and no gas mileage. But thank you so much....appreciate it.
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Old 08-07-2006, 03:22 PM   #4  
Twister
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Default RE: Switching carbs on my 67

you can get better mileage from a 4V if you keep your foot out of it...the main to barrels are SMALLER than a 2V carb...I think that it is a waste of time and money
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Old 08-31-2006, 07:38 AM   #5  
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Default RE: Switching carbs on my 67

twisters right.i have a holley based 650(quickfuel) and have NO problems out of it.its not the size of carb thats hurting you, its probly just not tuned right or needs a rebuild.if you cant do that yourself i would take it to a carb shop and have them do it for you.
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