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compression

albawhore

By albawhore,
in BMW 2002 and other '02

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winstontj Grand Master

winstontj

Posted
Posted
anybody know compression stats for a stck m10 w/121?

Are you looking for compression meaning pounds or compression ratio (CR)? CR will depend on what pistons and head combo as well as if any work has been done to the head. Compression (with a compression test gauge) is thought to be more important that you have even accurate numbers across all 4 than looking for a certan number. Gauges vary and motors vary so look for numbers that are even. There is a compression test 101 FAQ in the FAQ section.

Make sure all 4 plugs are pulled and you are at WOT. It makes a difference. Read the FAQ

'79 & '80 Vespas, R75/6 + R90/6 (and a Triumph), '76 IH Scout II

E36 

'71 VIN: 2574356 - Nevada, Sunroof, RUST and a really nice '76

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