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Engine Compression Checker


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Ok boys, help me out. I need one. I was looking on ebay and they have a few but not sure if they are the right type. What should I get here. Most have a title of "automotive engine compression checker/guage". Is this it? Thanks

Edited by TeamRealtreeHD
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Ok boys, help me out. I need one. I was looking on ebay and they have a few but not sure if they are the right type. What should I get here. Most have a title of "automotive engine compression checker/guage". Is this it? Thanks

Sears sells a nice kit that is of good quality and reasonably priced as well. It is far better than what you can buy from most auto parts stores (except NAPA) and is less expensive than Snap-on. :thumbsup:

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i got the set from sears, the only problem with it is the threaded part does not have a head to grab it with and tighten it down. you have to use chanel locks and they fuk the thing up

 

I dropped my mityvac and the ground and the gauge went off so I fixed it but no way Will I trust it untill I compare to another one. Luckily it has a nice brass piece with a head to use as an adapter.

 

Anyone know where I can get a reliable gauge or else I will just get a craftsman one and use my brass adapter.

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You get what you pay for, as said...

My buddy tested his 9 year old sled motor, triple, with a cheapo...

readings for all three cylinders were all over the place, and I'm talking 20 to 30PSI difference. Cheapo gauge from the auto parts store.

 

Borrowed my buddies Strap (Snap) On gauge (cause let's face it...at their prices, you're getting fucked...they do make quality pieces, though)

 

Each cylinder was within 5PSI of each other, motor has 5K miles on it.

 

Get a good gauge...

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You get what you pay for, as said...

My buddy tested his 9 year old sled motor, triple, with a cheapo...

readings for all three cylinders were all over the place, and I'm talking 20 to 30PSI difference. Cheapo gauge from the auto parts store.

 

Borrowed my buddies Strap (Snap) On gauge (cause let's face it...at their prices, you're getting fucked...they do make quality pieces, though)

 

Each cylinder was within 5PSI of each other, motor has 5K miles on it.

 

Get a good gauge...

 

Hear that, my buddies Matco made me get a bore and new pistons! Got my own Snap on after numbers didn't improve. That'll learn ya!

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i got the set from sears, the only problem with it is the threaded part does not have a head to grab it with and tighten it down. you have to use chanel locks and they fuk the thing up

Generally you do not need to tighten the things down more than extra finger tight. :confused:

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