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Old Feb 28, 2022 | 05:29 PM
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Fuel pump size

I have a 460 with a bad fuel pump. It also has an aftermarket holly carb. The pump that’s on it now is not stock, do I need a bigger pump for the holly carb or would the factory pump work fine?
 
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Old Feb 28, 2022 | 05:34 PM
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Factory pump will work.
Holley carbs were factory on some motors.
Unless you are racing a highly built up motor that is running at WOT for miles would you need a higher out put pump.
Dave ----
 
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Old Feb 28, 2022 | 05:42 PM
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Originally Posted by Brockpend
I have a 460 with a bad fuel pump. It also has an aftermarket holly carb. The pump that’s on it now is not stock, do I need a bigger pump for the holly carb or would the factory pump work fine?
Can you elaborate what "not stock means"? It's an electric? No mechanical ? aftermarket mechanical pump?
the mechanical is plenty enough pump for a stock 460.
 
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Old Feb 28, 2022 | 05:47 PM
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Originally Posted by Brockpend
I have a 460 with a bad fuel pump. It also has an aftermarket holly carb. The pump that’s on it now is not stock, do I need a bigger pump for the holly carb or would the factory pump work fine?
Heads up, I just went through this. I have a 75 with a 460, and the stock fuel pumps have a permanently attached filter with them. I had pulled off my old pump, ordered ones from o reiliey for my truck, and LMC. Both of those looked exactly like my original one, but the attached filters were not as offset as it needed to be and kept hitting the oil pan where it attaches to the block, so it would not make the seal.

With the advise from someone on here I ordered a Holley: 110 GPH MECHANICAL FUEL PUMP
PART # 12-460-11

This part does not need a fuel regulator for the 460

I ordered these adapters https://www.jegs.com/i/JEGS/555/15980/10002/-1

It comes in a pair of two and I used them both. Runs great now
 
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Old Mar 2, 2022 | 08:05 AM
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Originally Posted by dustyroad
Can you elaborate what "not stock means"? It's an electric? No mechanical ? aftermarket mechanical pump?
the mechanical is plenty enough pump for a stock 460.
mechanical aftermarket pump.
 
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Old Mar 2, 2022 | 08:52 AM
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Any mechanical pump you can buy will be fine.
 
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