I'm still having trouble figuring out why this engine seems to have a mind of its own sometimes.
It's a 75' Firebird with a 355, E-brock 700cfm, E-brock Performer RPM intake, fuelie heads, mild build, brand new MSD dizzy, Accel 8.8 wires, MSD 6a and some other tricks.
The #6 boot kept burning melting against the header tube cuz the header design sucks, so I got a new boot and trimmed it a bit to clear it, I don't think this is causing anything anymore.
I put my friends E-brock carb on last year before putting it away and it seemed better.
The car just seems like it will miss or backfire at anytime. Today it was bubbly at the intersection when I drove thru it, and when I got onto the freeway and accelled, it backfired out of what seemed to be the pass side tailpipe, then seemed to "clear" up.
I'm rusty with carb'd cars due to having EFI for the last 5+ years. I'm out of ideas and whatnot.
It has roller rockers that haven't been adjusted since the engine was built, roughly 3k on it. I figure if it were a rocker, it would do it all the time. The car feels like it isn't at full potential ever.
Any suggestions would be appreciated, or if anyone knows a good tuner/diagnoser....
Thanks, Jon.