Compression test - use which plug holes?
Compression test - use which plug holes?
I checked the FAQ and there are 2 guides listed:
http://www.fd3s.net/compression_test.html says to use the trailing plug holes
http://www.rotaryresurrection.com/3r...ion_check.html says to use the leading plug holes
Which is correct?
http://www.fd3s.net/compression_test.html says to use the trailing plug holes
http://www.rotaryresurrection.com/3r...ion_check.html says to use the leading plug holes
Which is correct?
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