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What should Compression be on B2200

  #1  
Old 08-04-2014, 05:18 PM
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Default What should Compression be on B2200

Howdy Guys.....I recently bought a 1991 B2200 with a rebuilt engine from a place in Portland Oregon and the motor now has 60K on it.


I did a compression test (wet & dry) before buying it and all cylinders were ok...150-150-145-150


When I drive it it seems to me it should have a little more power. My brothers GEO METRO has compression of 180psi and it has 200K on it and it has more power. I realize my truck weighs a lot more than a GEO but shouldn't the compression be higher? It seems to me if it is supposed to be higher then at least one cylinder would show higher than 150 because it would be highly impossible for every cylinder to wear exactly the same.


I haven't checked the timing yet but it runs like a raped ape on the freeway so if the timing is off it cant be off much. ALSO what can I do to get better MPG? I'm getting 22MPG on freeway (I have a cab high aluminum shell on it) I'm thinking of installing electric fans and headers in hopes of gaining at least 5MPG....is that to much to expect?


Thanks Guys
Patrick
Skagit County, Wa
 
  #2  
Old 08-04-2014, 05:50 PM
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READ: MazdaBScene.com • View thread - Compression test results

same vehicle as you! Talking compression.
 
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