850 Holley factory settings

[Hustler]

Does any one know what the factory jet size is on a 850 double pumper?
[ April 30, 2003, 02:36 PM: Message edited by: Hustler ]

[058]

For a #4781 use #80 jets in the pri. and sec. Thats what they come from Holley with.

[Oldsquirt]

There's a variety of 850's. Check the info on this site Mortec/Holley carbs (http://www.mortec.com/carbs.htm) against the Holley List# on your carb(on front of choke tower).

[Hustler]

Thanks for the infor guys, I think I will start out with the 80's. The choke horn has been milled off so I'm not sure of the exact model #