1981 Elco 305 - 2 cylinders not firing

[TURNA]

No matter what you will need a new gasket.

If you have some rubbing alcohol put the spark plugs back in
sit the heads compression chamber facing up.
pure the alcohol into the chambers and see if it leaks past the valves

 

[pontiac guy]

That a waste of good alcohol....
Nevermind

 

[RustBucket]

ok so I poured diesel down through the intake port. let me upload the video.

 

[RustBucket]

btw, did u watch the entire video? its 3 videos in 1. at the end I ask about the head gasket.

 

[RustBucket]

here goes the video with the diesel down the intake ports.

 

[RustBucket]

Ok so i think u meant for me to place the head this way......

And #1 seems to not hold the diesel very well.

 

[TURNA]

Head needs a complete rebuild

new guides
replace damaged valves
clean up mill

 

[RustBucket]

Head needs a complete rebuild

new guides
replace damaged valves
clean up mill

Can't i do the grinding compound thing to them?

 

[pontiacgp]

Can't i do the grinding compound thing to them?

yes you can, remove the valves so you can see what you need to do. For the valve guides you can check them to see how much wiggle room they have

Tech: A Quick, Easy Check For Valve Guide And Seat Quality

At Power and Performance News, we’re all about helping you do more for yourself. And the more you can do for yourself when tearing down or rebuilding your next engine, the less you have to spend at your local machine shop. For example, there are a couple quick checks you …

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[RustBucket]

I'm gonna see if any parts stores rent the tool.