SoCal Jet Boats

Tech Talk => Engine Mechanical / Electrical => Topic started by: 88CARRERA on August 05, 2010, 05:34:44 PM

Title: holley numbers
Post by: 88CARRERA on August 05, 2010, 05:34:44 PM

wher do i find the numbers on the holley carb ? there are numbers everywhere

Title: Re: holley numbers
Post by: crewchief22 on August 05, 2010, 05:41:13 PM

Most Holley 4v carbs have the List # on the forward side of the choke housing.  If the choke has been removed it is gone.

Title: Re: holley numbers
Post by: 88CARRERA on August 05, 2010, 05:58:12 PM

its been removed

Title: Re: holley numbers
Post by: 88CARRERA on August 05, 2010, 06:00:45 PM

no other way to tell?

Title: Re: holley numbers
Post by: crewchief22 on August 05, 2010, 09:35:49 PM

If you have an idea of what it is, you can usually figure it out by dimentions of the throttle plate and a few other items.

Title: Re: holley numbers
Post by: mash on it on August 05, 2010, 10:39:11 PM

Try the CARB Shop in Ontario, (909) 947-7495, They know Holleys
www.customcarbs.com (http://www.customcarbs.com)

Title: Re: holley numbers
Post by: fast fred on August 06, 2010, 06:23:47 AM

What are the numbers on the throttle plates?
Matt

Title: Re: holley numbers
Post by: 88CARRERA on August 06, 2010, 06:58:18 AM

r-4770

Title: Re: holley numbers
Post by: Beaveretriever on August 06, 2010, 07:09:42 AM

I believe that's a 750 double pumper, but I'm not a Holley expert.


The beav

Title: Re: holley numbers
Post by: 88CARRERA on August 06, 2010, 07:19:48 AM

thats what i was told when i got it, so im going with that

Title: Re: holley numbers
Post by: fast fred on August 06, 2010, 07:52:42 AM

Thats not  a list number. Here check this out:      http://tgsperformance.com/holley.htm (http://tgsperformance.com/holley.htm)
Matt

Title: Re: holley numbers
Post by: jim brock on August 06, 2010, 11:34:42 AM

look on the metering plates, 750 dp should be #4779