Can i use the same compression gauge that i use on my truck to check the compression on a small engine or do i have to buy a compression gauge to check compression on small engine like weeedeater?
Cars & Trucks
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Answers & Comments
Same gage, and gage quick adapter according to sparkplug thread. A leak down in addition would be nice.
There is two basic types of compression gauge - those for diesel engines and an altogether lighter type for petrol engines.
The diesel engine compression tester has no adaptors for use with a petrol engine and would hardly register the relatively small compression pressure of that type of engine. Typical diesel engine pressure is in the range 400-600 psi.
I'm not working on a diesel engine i need a gauge to check the compression on a weedeater.
The weedeater is presumably a petrol engine - in that case I have answered your question if you will take the trouble to read it. The reason I discussed the diesel engine type was you failed to mention which type you used on your truck.