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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!
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| | | | Joined: Oct 2003 Posts: 445 Shop Shark | | Shop Shark Joined: Oct 2003 Posts: 445 | 50psi is bad.Did you check the compression wet?First check dry compression write down.Then squrt a few shots of oil in the cyc and recheck compression again.If the compression increases,your rings are bad.If they stay the same it's your valves.compression at least 100psi.If two cyc side by side the same low comp it's usually the head gasket.Hope this helps out.The plugs NAPA should help ya out
dan-pa
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