Originally Posted by sst4356
This is a out the box hp holly ach. carb. Friend has a apd and I tryed it on my engine and ran just like it is suppose to do. fuel pump is a blp belt pump with 9lbs pressure. power valves has been removed and block offs installed. timing is at 32 . engine will heat up just idling, with apd carb. almost impossible to build heat. Thanks for help
Sounds like it's too lean on the idle circuits, and that it has the wrong air bleeds in it.
Holly shows the 0-80586 is the only 1050 carb calibrated for methanol out of the box. Is that the p/n you have?
http://www.holley.com/types/4500%20Dominator%20HP.asp