Do a wet test, that is squirt a small amount of oil into the low cylinder and re test, the oil will seal the rings temporarily. If the comp remains low it will be a valve if it jumps considerably it will be rings, as for a donation, what ever you want, I think that many donate around the $5.00 mark, I don't get involved in that part, I just help people.
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Wednesday, February 1st, 2012 AT 9:25 AM