Mr. Francesco

What are the torque specs for the stock exhaust manifold bolts? Is their a certain tightening pattern for re-installing them? thanks

xviper

23 lb/ft. I'd start in the middle and work your way out. Tighten in stages till you reach the final torque.

yogi

Check them after the car's been driven for a little while too.

Mr. Francesco

thanks...i will work my way from the center...

i hope all goes well, im going to see tonight how hard it is to get the old bolts loose and how hard it is to remove the stock header...

yogi

It's not bad, the toughest bolts will probably be the ones that connect to the cat, they're usually rusted. There's only one other bolt towards the bottom of the manifold, it attaches to a bracket that holds the manifold stable.