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Mod | | | Forums66 Topics128,022 Posts1,055,353 Members48,420 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Jul 2004 Posts: 5,708 'Bolter | | 'Bolter Joined: Jul 2004 Posts: 5,708 | Greg,
If you have a choice, find a tester that has screw-in plug adapters. They make the test much easier and more accurate.
If the plug location is such that you can't get a good strong shot at it, it isn't uncommon for the pressure to blow the little rubber doohickey right off, or push it up enough to give a inaccurate reading. If you don't know this you might think you have a bum cylinder.
Stuart | | |
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