I have mixed up some new 2st. and 4st. glow plugs, how do I tell them apart ? Matt S.
- posted
20 years ago
Glow Plug Recognition
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- posted
20 years ago
You can't always tell. But, many 4-stroke plugs have an extended tip. If you see that the plug length extends beyond the threads, then you are looking at a "hot" plug commonly used in 4-strokes. However, not all hot plugs have extended tips. The Enya #3 is a good example of a plug commonly used on 4-strokes which doesn't have the tip extending into the combustion chamber.
Jim - AMA 501383 (remove NOSPAM to reply)
Matt S. wrote:
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20 years ago
Do the plugs not have any markings on them: A3, F4 ect?
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20 years ago
Doesn't that p*ss you off? The O.S. plugs I buy now are more expensive, but they work GREAT and are marked.
I don't know why other manufacturers don't mark theirs....
Good flying, Bob Scott
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- posted
20 years ago
What brand are they? Different brands may look different.