DirtRacer9s Posted July 15, 2015 Report Share Posted July 15, 2015 Has anyone used one of these carbs? Curious on how well they work and do they pass all the normal go no go gauges. Link to comment Share on other sites More sharing options...
cblgdc Posted July 16, 2015 Report Share Posted July 16, 2015 All the guages will work oer holly except the one for choke horn,since hp doesn't have it Link to comment Share on other sites More sharing options...
Alloutpc17 Posted September 15, 2015 Report Share Posted September 15, 2015 Don't understand why choke horns are still required. Link to comment Share on other sites More sharing options...
Racer26 Posted September 16, 2015 Report Share Posted September 16, 2015 All I can tell you is they are not IMCA legal or any other sanction I have found. I know where one is for sale. The HP also is not a 500 but over 600 from what I was told by a tech official. Link to comment Share on other sites More sharing options...
DirtRacer9s Posted September 16, 2015 Author Report Share Posted September 16, 2015 An email from Holley said it will pass all go no go gauges same as the 4412. Link to comment Share on other sites More sharing options...
Bigone47 Posted September 17, 2015 Report Share Posted September 17, 2015 Maybe Holley has changed them, but I agree with Racer26 because I was with him when we were told and had to pull it off. Link to comment Share on other sites More sharing options...
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