Re: [Amc-list] Off with his head! - It's at the machine shop!!!!

[Tom Jennings <tomj@xxxxxxx>]

Bruce Griffis wrote:

 > I did mess up in
> taking off the head and did not lift it directly up - I slid it just a
> bit - and now have junk in the cylinders. So - to clean 'em out - use
> a shop vac? Beg and borrow a compressor and airgun? What's the best
> way to make sure you have absolutely no junk in the cylinders?

Eh. Though Smokey Yunick said 'no engine ever died from being too clean' 
I wouldn't freak out if the junk that fell in is largely combustion 
byproducts. Metal and sand, OK worry more. A bit of carbon isn't that 
abrasive and will get pumped out.

Compressed air may drive it in. Shop vac with a small hose will get 99% 
of it out.

> Also - since I'm seeing carbon buildup on the studs, I'm guessing I
> need to clean out the holes they go in. Should I run a tap through
> them? Would a tap clean out the junk, or should I use something else?

I run a tap through all holes always, and often a die down bolts and 
studs, then use the right lube or a high-temp anti-seize. It never 
hurts, and usually helps. Crud will prevent torque wrenches from working 
right, readings will be all off. Maintenance is easier. All my exhaust 
nuts and studs just come out and never break. (I use relatively 
expensive nickel antiseize on everything, Permatex?, an 8oz jar has 
lasted a few years now.


When I built my 232 I actually made a little clean room from plastic 
sheet. Washed the parts in soap and water, washed my hands, clean 
clothes, clean tools, clean oil, assembled the bottom end all in one 
shot and got it sealed up. Changed the synth oil religiously and 20 
years later, still 15 - 20 psi oil pressure at idle and zero cylinder 
scoring.
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