Simple compression test?
#1
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Simple compression test?
So I was told from someone on here I could do a quick and easy compression test by removing one spark plug from a rotor and rotating the engine to listen for swooshes.
So I tried this and here were my results:
1st rotor near the front of the car, made 1 swoosh sound then made 2 whistle sounds.
2nd rotor near the firewall spun over and over without making a sound.
I think I read some tricks to revive the seals to maybe get better compression, anyone know?
I have 3 weeks to get this car running and if I have to I'll tear down the motor and rebuild it (but hopefully not).
So I tried this and here were my results:
1st rotor near the front of the car, made 1 swoosh sound then made 2 whistle sounds.
2nd rotor near the firewall spun over and over without making a sound.
I think I read some tricks to revive the seals to maybe get better compression, anyone know?
I have 3 weeks to get this car running and if I have to I'll tear down the motor and rebuild it (but hopefully not).
#2
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Join Date: Apr 2001
Location: Orange Park FL (near Jax)
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With luck, it is just stuck seals.
This can happen if the car has been parked for months.
You want to loosen the carbon & varnish accumulation gummed up in the seal grooves.
A high detergent lube like Marvel Mistery Oil or automatic transmission fluid works.
Squirt it in the leading plug holes & crank the motor some to work it in, then repeat.
Let it sit a day.
Then do a compression check.
This can happen if the car has been parked for months.
You want to loosen the carbon & varnish accumulation gummed up in the seal grooves.
A high detergent lube like Marvel Mistery Oil or automatic transmission fluid works.
Squirt it in the leading plug holes & crank the motor some to work it in, then repeat.
Let it sit a day.
Then do a compression check.
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ZaqAtaq
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09-05-15 08:57 PM