dusterbd13
05-03-2013, 06:52 PM
ok, so ive got a 73 vintage 350 in my project. codes came back as a truck motor with a 3 speed behind it.
at some point it was freshened. unknown to what extent. runs good, sounds good, checks out healthy. pretty strong, too.
anyway, i converted it to serpentine accessories. in the process, i discovered that the harmonic balancer has 3 nubs sticking out in addition to the three pully bolt holes. ive never seen this. nor does any of the aftermarket pullies support this. all of them only have the 3 bolt holes. i drilled my serpentine crank pully to account for them, but it now does not run true. dont know why. planning on clearancing the holes a little more, and seeing if i can get it to self align.
makes me wonder just what the balancer is off of.
also, makes me wonder if i can grind those nubs off. make it so i can run an unmodified pully.
what do you small block guys say? im kind of baffled here.
michael
at some point it was freshened. unknown to what extent. runs good, sounds good, checks out healthy. pretty strong, too.
anyway, i converted it to serpentine accessories. in the process, i discovered that the harmonic balancer has 3 nubs sticking out in addition to the three pully bolt holes. ive never seen this. nor does any of the aftermarket pullies support this. all of them only have the 3 bolt holes. i drilled my serpentine crank pully to account for them, but it now does not run true. dont know why. planning on clearancing the holes a little more, and seeing if i can get it to self align.
makes me wonder just what the balancer is off of.
also, makes me wonder if i can grind those nubs off. make it so i can run an unmodified pully.
what do you small block guys say? im kind of baffled here.
michael