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Ralph A Powell · 06-05-2024, 09:07 AM

Leak down will only tell what?s going on at the top of the cylinder. Another easy test is when doing leak down is rock the piston at TDC let it go to BDC and pull the piston up with leak down tester still attached watch the meter as you pull up to TDC it takes a ratchet with extra long handle.

06-05-2024, 09:07 AM	#3
Ralph A Powell Member Join Date: Oct 2017 Location: Bay City Texas Posts: 389 Likes: 2 Liked 225 Times in 136 Posts	Re: 402 stocker engine Leak down will only tell what?s going on at the top of the cylinder. Another easy test is when doing leak down is rock the piston at TDC let it go to BDC and pull the piston up with leak down tester still attached watch the meter as you pull up to TDC it takes a ratchet with extra long handle.