[DML] Re: Exhaust Manifold Gaskets (Enid/Jeremiah)

["content22207" <brobertson@xxxxxxxxxxxx>]

Be careful removing exhaust manifold nuts. Studs are small and fine
thread pitch. Nuts are usually well rusted to them. Does not take much
torque to snap a stud off in the heads.

I recommend:
- Week prior soak them every day with an honest to goodness
penetrating oil (not WD 40)
- Zap them with highest heat possible before attempting to turn (for
example MAPP gas in a plumbing torch)
- Do not use a cheater if you can help it

I didn't even attempt to turn mine (previous engine), but rather split
the nuts off with a nut splitter and cold chisel. 7mm stainless nuts
are available for easier removal in the future. Rob grady even had the
studs themselves made in stainless (7mm is a VERY uncommon size).

BTW: full throttle microswitch is triggered as the result of fully
open throttle plates. It does not open them itself -- that's
accomplished by the plate and rod attached to the throttle spool.

Bill Robertson
#5939

>--- In dmcnews@xxxxxxxxxxxxxxx, Enid/Jeremiah
<hispanicangeleyes@xxxx> wrote:
> 
> Now for next Saturday...the day Casey and I begin to
> change the exhaust manifold gaskets...=)
> 





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