1250 ultra dominator

Go down

1250 ultra dominator

Post  BradB on July 18th 2013, 11:13 pm

Anyone have experience with the ultra dominators, specificly the 1250cfm version list# 80532-2? Have you had any luck getting it tuned decent on a 850ish hp engine without eliminating the 3rd circuit or replacing the metering blocks? Thanks

BradB

Posts : 41
Join date : 2009-09-06

View user profile

Back to top Go down

Re: 1250 ultra dominator

Post  rmcomprandy on July 18th 2013, 11:21 pm

BradB wrote:Anyone have experience with the ultra dominators, specificly the 1250cfm version list# 80532-2?  Have you had any luck getting it tuned decent on a 850ish hp engine without eliminating the 3rd circuit or replacing the metering blocks? Thanks

SURE ... that exact part number. but the -1 not -2.

rmcomprandy

Posts : 5129
Join date : 2008-12-02
Location : Roseville, Michigan

View user profile http://www.rmcompetition.com

Back to top Go down

Re: 1250 ultra dominator

Post  BradB on July 18th 2013, 11:34 pm

It came from holley with a pv in the front and 96 jets, no power valve in the rear and 106 jets. Wondering if I should try it as is or plug the front pv also and put 106's in it, 106 seems pretty big. 547ci, p51 heads, 14.5:1 comp, mafia intake, pulling truck app. All I hear it seems is the horror stories of the 3 circuit carbs. Just looking for a good place to start. This is the ultra dominator with the billet metering blocks and larger fuel bowls.

BradB

Posts : 41
Join date : 2009-09-06

View user profile

Back to top Go down

Re: 1250 ultra dominator

Post  rmcomprandy on July 18th 2013, 11:56 pm

BradB wrote:It came from holley with a pv in the front and 96 jets, no power valve in the rear and 106 jets. Wondering if I should try it as is or plug the front pv also and put 106's in it, 106 seems pretty big. 547ci, p51 heads, 14.5:1 comp, mafia intake, pulling truck app. All I hear it seems is the horror stories of the 3 circuit carbs. Just looking for a good place to start. This is the ultra dominator with the billet metering blocks and larger fuel bowls.

With an .026" high speed bleed, that jetting will be close with NON-oxygenated gasoline.

rmcomprandy

Posts : 5129
Join date : 2008-12-02
Location : Roseville, Michigan

View user profile http://www.rmcompetition.com

Back to top Go down

Re: 1250 ultra dominator

Post  4thHorseman on July 25th 2013, 1:08 pm

I run one on a 13:1 552ci P-51 headed BBF.  I'm at 5,000' elevation FWIW.  No pv's, 90's squared. I removed the intermediate bleeds completely and installed them in place of the idle bleeds.  Effectively leaned out both circuits and delayed the intermediate's action.  Tremendously improved in my application both strip performance during burnout, stage, & launch and street manners & cruising.

I would imagine your setup would need to be a tad richer given lower altitude.
avatar
4thHorseman

Posts : 400
Join date : 2009-08-13
Location : Albuquerque, NM

View user profile

Back to top Go down

Back to top


 
Permissions in this forum:
You cannot reply to topics in this forum