no more tugging, and has a more happy Clappy sounds to the idle
And may have found what was ailing the 770 Avenger , when my friend picked it up off the bench he said he didn't like The play in the secondary butterfly shift. After installing it does seem to be allowing an air leak, when I spray carburetor cleaner on where the shift enters the base plate the idie And vacuum definitely raises up .Now to research how to correct That.