holley double pumper question

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holley double pumper question #727275 06/18/10 04:03 AM 06/18/10 04:03 AM
Joined: Oct 2008 Posts: 67 Hawaii D dirtycj5 OP member
dirtycj5 OP member D Joined: Oct 2008 Posts: 67 Hawaii	will 750cfm metering blocks work on a 850cfm carb? what i want to do is buy the billet 850cfm body and base plate and use my 750cfm dp for parts. is this okay or am in for trouble when it comes to tune??? thanks

Re: holley double pumper question [Re: dirtycj5] #727276 06/18/10 08:22 AM 06/18/10 08:22 AM
Joined: Aug 2003 Posts: 3,897 St. Louis, MO Blues_Cuda master
Blues_Cuda master Joined: Aug 2003 Posts: 3,897 St. Louis, MO	The primary block should be fine, but you'll have to make sure the secondary block has idle mixture screws if you want to take advantage of 4-corner idle. (Assuming the billet baseplate is set up for 4-corner idle.)

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