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Posted

I have an old school snap on , and a craftsman that I take on the road . Both read damn close to each other .the craftsman cam with a ton more adapters than the snap on unit and was half the price . I'm still a a snap on guy tho

Posted (edited)

Just make sure the shrader valve is in the very tip of the hose. If you use adaptors and on top of the shrader valve that extra volume of the adaptor is added volume to the combustion chamber. This is why I bought a snap on gauge. It has the valve in the end and uses individual hoses for the different sizes of sparkplugs.

Edited by jbooker82
Posted

Just make sure the shrader valve is in the very tip of the hose. If you use adaptors and on top of the shrader valve that extra volume of the adaptor is added volume to the combustion chamber. This is why I bought a snap on gauge. It has the valve in the end and uses individual hoses for the different sizes of sparkplugs.

 

The craftsman I bought has the shrader valve in the end.. No funky adapters either. An The hose for banshee/bikes is also the same depth as there spark plugs. Soo, Ya. Lol

 

 

 

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Posted

Explain why it wont do the job please....

Because to get an a correct reading it needs to be sealed and at the depth of the spark plug. That thing is iffy at best when sealing and does not protrude in to the cylinder like a plug would.

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