FE Power Forums

FE Power Forums => FE Technical Forum => Topic started by: fryedaddy on August 28, 2024, 12:41:16 PM

Title: carb size
Post by: fryedaddy on August 28, 2024, 12:41:16 PM

i have a holley carb i picked up and its supposed to be a 850 but the list #4779-2 says 750dp. is it for sure a 750 since it says this on the choke horn?

Title: Re: carb size
Post by: GerryP on August 28, 2024, 12:47:12 PM

It is a very common 750CFM double pumper.

Title: Re: carb size
Post by: frnkeore on August 28, 2024, 01:03:06 PM

For there to be any hope for a carb to be a 850, it has to have 1.75 throttle bores.

The 750/780's have 1.688 bores.

Title: Re: carb size
Post by: Rory428 on August 28, 2024, 03:11:17 PM

The regular 850 Double Pumpers are List 4781, as mentioned, List 4779 is a 750 DP.