Thread: blower motor ?,s

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have a blower motor chevy 350,b&m blower 8-71 ,2 edelbrock 600's hears my problem can't find gaskets for the b&m blower,i have vac. advance but it seems to hickup when its hooked up. its set advance at 30,should i go to mechanical what would u do and what kind of system

Originally Posted by kipster40

have a blower motor chevy 350,b&m blower 8-71 ,2 edelbrock 600's hears my problem can't find gaskets for the b&m blower,i have vac. advance but it seems to hickup when its hooked up. its set advance at 30,should i go to mechanical what would u do and what kind of system

wouldn't let gaskets hold me up to much. i'd get a piece of gasket material and cut them myself. you didn't say what dist. you had but its probably got mechanical adv. built into it. 30 total sounds a little slow, i'd kick it up a little and try that.

it's a mallary w vac advance it runs smooth when disc and pluged.so i don't understand how it works? it still has mech. with vacum not hooked up

Originally Posted by kipster40

it's a mallary w vac advance it runs smooth when disc and pluged.so i don't understand how it works? it still has mech. with vacum not hooked up

whats is you base timing? (timing without dist hooked up at 800 rpm..) what is you timing with vac. at the dist. at 800 rpm? what is you timing, vac hooked up at 2000 rpms? get this info and ill be back later or someone else will help you. you should have a mech adv. without vac. hooked up.

I used to run a stock HEI with an adjustable vaccuum advance. I had some problems with it. I talked to a guy that builds engines and I was advised to cap or lockout the vaccuum advance and put the lightest mechanical advance springs I could find. I then set the initial timing at 15 degrees and total of 32 to 36 degrees all in at idle. Believe it or not it works. Blowers like advance and lots of it. As far as gaskets, call Holley. They bought B&M years ago. You can even go to Kragen Auto Parts and order the gaskets. I have ordered parts for my B&M Powercharger 250 there.

thanks guys, ordered the gaskets long what but coming thou;i'm gonna rip it apart then work on the dist. problem got ideas from ya thks mike

Originally Posted by kipster40

thanks guys, ordered the gaskets long what but coming thou;i'm gonna rip it apart then work on the dist. problem got ideas from ya thks mike

anytime, kipster40!