Compression test hose #4 & #6 cylinders

[dmoore]

Comments:
- use rope & run the risk of the rope getting a knot....
- those are very poor seals. Advertised as teflon but just cheap plastic. Very easy to split them where they neck down for the valve. Split can be hard to see, but will leak oil...
- best seals are the ones are Viton with a metal collar, & garter spring around the valve stem.
- no need for compressed air....or rope. Get an old screwdriver & put a 20-30* bend in the shaft. Bring piston towards top of bore [ so valve cannot fall in ]. Insert s'driver through s/plug hole with tip resting on valve. Valve will be held in place.

So you want me to do 2 things at once? Silly man!

 

[BSB67]

Will see Sat if it works...I don't see why it wouldn't

View attachment 1790426

I don’t see how it could

 

[RemCharger]

Are the heads tapered seat plug holes?

 

[Geoff 2]

The silly man is the one who posted in post #21.