Thread: Simple compression test question - '78 300D
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Old 05-13-2008, 02:05 PM
nhdoc nhdoc is offline
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Join Date: Dec 2004
Location: Nashua, NH
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my tester makes a good seal at the top of the prechamber and I didn't use a heat shield when I tested mine and all seemed OK. I don't know why you would need to use them to do a compression test.
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Marty D.

2013 C300 4Matic
1984 BMW 733i
2013 Lincoln MKz
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