It's firing in the exhaust. Which could mean a sticking valve or improper timing. Could be the advance I would check it first. Then I would do a leak down or at least a compression check.Then make sure all your cylinders are firing, if you have headers spay each tube with a spray bottle of water while the engine is running and see if the water flashes the same on all the tubes. Chances are if water stands on one of the tubes you have a dead cylinder. Which could be caused by a bad plug, wire, valve, compression etc.
[This message has been edited by Aug98 (edited 05-09-99).]
A forum community dedicated to Chevrolet Chevelle owners and enthusiasts. Come join the discussion about restorations, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more!