Relative compression

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07 Feb 2021 11:02 #46574 by Matt T
Replied by Matt T on topic Relative compression

At some point in the past, I thought Snap-on had a way to synch a diesel by means of clamping some device connected to your scope to a diesel injector tube.


There are several companies that make diesel pulse adapters for use with 'scopes and timing lights. They detect the injector pressure pulse in the line going to an injector. So they probably won't work for a relative compression sync with fuel disabled.

Could pull a glow plug and use an in cylinder transducer if you want a sync badly enough...

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07 Feb 2021 11:09 - 07 Feb 2021 11:18 #46576 by DougS
Replied by DougS on topic Relative compression
Mike,
If you were able to connect some sort of Piezo sensor to the #1 Injector tube and your lab scope, could that solve this issue?
DougS
Last edit: 07 Feb 2021 11:18 by DougS. Reason: Addressed to wrong person

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07 Feb 2021 11:14 - 07 Feb 2021 11:18 #46577 by DougS
Replied by DougS on topic Relative compression
Sorry, Mike, but my last reply won't work because of disabling the fuel system.:( :pinch:
A pressure transducer would work (as long as it's rated high enough for diesel compression pressures).
DougS.
Last edit: 07 Feb 2021 11:18 by DougS. Reason: Addressed to wrong person

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07 Feb 2021 15:21 #46591 by AJeep18
Replied by AJeep18 on topic Relative compression


Could pull a glow plug and use an in cylinder transducer if you want a sync badly enough...


Yeah but this is a Cummins, intake heater only.

The following user(s) said Thank You: Mykearamirez

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