i have a question has anyone found any good sprays that can help loosen up the bolts on the exhaust manifold? cause i was going to change mine this past week and i noticed that the bolts were rusted to all hell. so i figured i would ask here before i tried to just crank them out.

 

Pb blaster! At work we swear by that ****! Spray them like 2 times a day for a couple days before you do it

 

I love pb blaster, WD40 works too.

 

All the sprays will just vaporize when you run it, if you can leave it a few days and drive another vehicle might get somewhere, but most likely your best bet is a torch.

 

as all ways my buds here have good ideas. but when you go back togather be sure to use anti-sieze on ALL theards, even on mating serfaces. when you tighten the bolts only tighten them to 75-80 % first, then after 6-8 heat cycles tighten the rest of the way.. i do mean ALL THREADS. after 15-20 years youll be glad you did.

 

Good idea don’t crank down on exhaust bolts or fittings especially manifold bolts they will warp things, these parts get HOT and expand if too tight you will get exhaust bolts snapping off on their own like a bullet.

 

ok i will get some PB Blaster . and make sure i have a small propane torch handy just incase and :P .
and thank for the info about using the anti seize

i will see if i can get a before and after video of the sound of the exhaust from stock to higher flow

 

Get map-gas instead. Propane won't get it hot enough.

 

ok will do. thx

 

As said many times pb blaster! wd40 just sux.