Swapping iac with a Sullivan

T davis

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I’m running a Sullivan upper and lower. Any suggestions on swapping the iac to a Holley iac? Looking for tips on how to change it the easiest way thanks
 
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T davis

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No I need to swap to a Holley gm. I’ve never swapped one with a Sullivan upper. Just looking for some tips on changing the iac
 

SecondhandSnake

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I'm not as well versed with the Holley ones, but the ones I'm seeing are more GM based. You can't run those type since they're stepper motors and Ford uses PWM controlled ones. You could adapt some of the Ford ones, (the 2V model would work nicely since it has a flange and then a barb on the other side), or some of the Bosch PWM ones out there that already have barbs on them if you want to remote mount it. There might be an advantage in using the 2V one since you could probably just pull the IAC tables from the 2V tune to get it running.
 

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