Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - Noob needs some guidance...
View Single Post
  #2 (permalink)  
Old 08-01-2012, 12:59 PM
ap72 ap72 is offline
Last photo:
Join Date: Jun 2005
Location: St. Louis, MO
Age: 31
Posts: 9,544
Wiki Edits: 0

Thanks: 20
Thanked 404 Times in 377 Posts
Originally Posted by 70nova327 View Post
just picked up a 70 nova last week with a 327, someone put a lot of time and money into but the kid i bought it off of tweeked something and im at loss right now, im "assuming" i have a timing issue, it was straight piped and backfiring all over the place when i bought, i thru flow masters on it and that helped a bit, but once i hit about 3500 rpms it gets bad on acceleration and deceleration. theres a new edelbrock carb on it and a HEI distributor as well. last night i timed it AGAIN, warmed it up, plugged the dist vacuum line and set it 3 degrees past BTDC, a mile down the road it got bad again, so i checked the timing on the roadside and it was about 4 to 5 inches past TDC, so far that no adjustment to the distributor would bring it back down to the timing marker. what would cause this? possibly the distributor not aligned right? major vacuum leak once its fully warmed up? even if the TDC mark on the balancer isnt right how would it get so far gone once driven? any help would be amazing!
The balancer is shot. Not uncommon. You need a new balancer, not necessarily a real high dollar one but not an el cheapo either unless you want this problem again.
Reply With Quote