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My Chaparral has 110 lbs in one hole and 120 in the other... What's normal? Also one hole is wetter than the other.... Meaning you pull one plug and it's dryer (110# side) and pull the other plug and it's wetter (120# side) ...this thing still rips but just wondering...thanks
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Hey Savage,
Depending on the age of/ hours on the engine, your compression could likely be between what you're showing, and upwards of 130psi or so. A general rule is that you'd like to have the compression on the cylinders within 10% of one another, which you're at the upper limit of. 110psi is plenty of compression for the engine to run well, but more is always better. As far as the "wet" vs. "dry" plugs go, if the engine seems to be running well (by your account, it seems to be...) I wouldn't worry too much. If it begins missing on one cylinder, I'd look in to replacing plugs, and perhaps additional diagnosis of the problem down the line if that doesn't solve it. Always replace two at a time in this sort of scenario so you have a solid base line to diagnose engine problems from. A similar starting point for each cylinder is critical in order to find out what may be going on down the line. A fresh pair of NGK B8ES/ B9ES plugs never hurts, and it's only about $5-$7 for the pair.
Good luck! Let us know how she's running in the future....
~msigpic -
What's the recommended plug gap? these are 25 and came with the motorComment
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.18 is what i run in my engine and im pretty sure is the correct gap i know .25 is too bigComment
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