DeCaff2007
I'm Awesome
@RichLo, I'm sorry, but that is complete overkill.
A 3/8" socket wrench, some heat, and patience is all that's needed.
A 3/8" socket wrench, some heat, and patience is all that's needed.
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If you are referring to the exhaust manifold bolts there is a tool that is placed between the front exhaust port and the middle exhaust port on the manifold that spreads the manifold open slightly to take the side load off from the bolts to ease their removal. GM put out a service bulletin on this years ago when these trucks first came out.
Snapon used to offer the tool.
There are some engine families where the exhaust manifold bolt holes in the cylinder head are open-ended, you can spray penetrating oil on the back side, directly onto the threaded part of the bolt. You stand a chance of having the oil actually wick into the threads and do some good.
On a SBC, none of the holes are open on the back side. The penetrating oil would have to get between the underside of the bolt head and the iron manifold. This is practically impossible. Then the oil has to travel down the un-threaded shank of the bolt to even reach the threads.
Penetrating oil will make a lovely but useless puddle on the ground.
yupppp. best thing to do. I swapped mine out on my 99 that has 218k and soaking and soaking with penetrating oil was my best friend. started weeks in advance.Yeah I definitely want to start soaking them in kroil for a while. The cold shock is a good idea.