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Old 05-26-2018, 12:06 PM   #1
Ziegelsteinfaust
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Holley vs Q-jet

My Dad has a Holley spreadbore version of a Q-jet, and I was looking at it. It is a nice version with jets. Not the jet plates.

So for ease of starting, and mpg. How does the Holley spread bore compare to the Q-jet?
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Old 05-26-2018, 12:53 PM   #2
geezer#99
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Re: Holley vs Q-jet

Is it a 4165 like this.
https://www.google.com/search?tbm=is...wi2FqwBbHIQbM:

Or a 4360 like this.
https://www.google.com/search?tbm=is...JMq2ypu-FkRfM:

The 4165 was the better of the two. Same mileage and power as the quadrajet. The 4360 was dismal on anything but a stock motor.
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Old 05-26-2018, 01:09 PM   #3
Ziegelsteinfaust
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Re: Holley vs Q-jet

It is like the 4165.

I didn't check numbers but found it looking for something else.
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Old 05-26-2018, 01:22 PM   #4
geezer#99
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Re: Holley vs Q-jet

They were a good stock replacement.
I’mnot Positive but I think they came as a 650 and 800 cfm.
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