BigClemsonFan
Well-Known Member
How do you perform a compression test on a twin plug engine? Do ALL the plugs come out? Or do you leave one side in to get a proper reading when testing that cylinder?
Thanks.
Thanks.
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Compression Test
- Thread starter BigClemsonFan
- Start date
Simple_serf
Well-Known Member
Well, yeah... you have to leave the plugs in on one side to get compression.... If you took them all out, you wouldn't get any compression.I suggest leaving them in on the intake side.
make sure to disable BOTH coils though....your comp guage probably wouldn't be happy if the engine fired (which it shouldn't do, I don't think...as the exh side is what does most of the ignition)
make sure to disable BOTH coils though....your comp guage probably wouldn't be happy if the engine fired (which it shouldn't do, I don't think...as the exh side is what does most of the ignition)
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