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Don't let that scare you....I replaced mine with headers recently on my 84..still had that stupid infamous crack/broken completely in half manifold on the right side. PB Blaster on them overnight and every single bolt came out like it was greased. Man what an easy job.View attachment 2779View attachment 2780Thanks for the help. I hope to be a help to others down the road. I just ran it up to the shop. It was already scheduled for a right side exhaust manifold replacement due to the infamous crack. Not something I want to tackle after looking at it. Those bolts have 215,000 on them. I sprayed them last night and again today with WD-40...hope that helps.
Robert
hmmm u got lucky when i did my headers 6 bolts broke...... yes i did use pb. luckly i had the engine out of the truck anyway. i took the heads off and brought them into my shop to replace them. i also had one intake bolt that snaped. my local machine shop took care of that one though. 60 bucks later and a hele-coil <_<Don't let that scare you....I replaced mine with headers recently on my 84..still had that stupid infamous crack/broken completely in half manifold on the right side. PB Blaster on them overnight and every single bolt came out like it was greased. Man what an easy job.
Rick in Orlando