[AT] 430V update

[Steve W.]

Spencer Yost wrote:
> I used Father's Day as an excuse to spend the morning working on the
> 430 instead of other things. I sucked out the penetrating fluid from
> the number one cylinder (with my mighty vac vacuum, another handy use
> for it).  And then got my inspection camera in the bore and found
> what appeared to be typical water infiltration. Wasn't any signs of
> damage, debris or anything like that.
> 
> But I was a little mystified. The muffler was on tight, no signs of
> rust in the muffler or piping and no signs there could be
> infiltration anywhere else.  No water in the oil or oil in the
> coolant.  There didn't appear to be any reason for the water at all.
> And then I found this.   Any water that ran down the muffler or ran
> off the hood into the exhaust pipe hole would have gotten through
> this rusted out spot in the manifold flange.
> 
> Mystery solved but the bore looked pretty rough.   The camera isn't
> perfect but I could see enough to see it wasn't just a little surface
> rust.
> 
> I'm going to pull the manifold and head and pan.   I don't think
> force is the right thing for this situation.  Rings are bound to be
> stuck bad.
> 
> 
> Spencer Yost
> 


How about dumping some evaporust or plain old vinegar in there to eat 
some of the rust before you pull it apart. That might allow things to 
come apart easier.


-- 
Steve W.