gsforless

I seem to be plagued with problems with this car regardless of the engine combination I try,something is never right!

I now have a 355 with Vortec heads in the car.I have never used Vortecs,but I know a lotta you guys use and like them,so I figured I'd ask here before I tear the engine down.

I traded for this engine basically as it is-Vortecs on an old model block,Hurricane single plane intake,mild cam,etc.

When I start the engine the headers start to glow after a minute or less run time.I can play with the timing(I've only timed it by ear so far),and the glow sometimes decreases,but never goes away.

The engine seems to be pretty close in time as far as throttle response and starting,but it does have a gear drive in it,and I'm thinking it could possibly be a tooth or two off on the cam timing?Would that cause the headers to glow?

The only other explanation I can come up with is that possibly the intake gaskets aren't sealing(which I know is a big problem with these type heads),and it could have a really bad vacuum leak.It don't really wanna idle at low speed like a vacuum leak will do,but would that cause the headers to get that hot?

I'm kinda at a loss here,and any input would be greatly appreciated.

Glen