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What is good compression on a B21 engine? 200

posted by  c_j_mooney on  Mon Nov 14 08:23 CST 2005
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last visit: Wed Sep 14 17:39 CST 2011
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Turbo or NA? IIRC, I have about 165 on my B21A, +/- about 3-4 psi. The turbo is lower (~125?) because of the dished pistons. My impression is that the actual value isn't as important as the uniformity - if you've got a 5psi or less spread you're in really good shape (unless it's 0...) and I think Volvo said total variation up to 10 psi was within spec.
--
Chris, Dartmouth NS Canada 70 M-B 280SE, 83 245DL, 84 244 turbo, 90 780 turbo, 92 VW Golf, 90 740 Rex/Regina






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New What is good compression on a B21 engine? [200]
posted by  Volvox1  on Mon Nov 14 08:08 CST 2005 >


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