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Compression numbers on built engine.

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Old Apr 29, 2024, 05:42 PM
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Compression numbers on built engine.

I did a dry compression test after driving the car for about 35 minutes. These are the numbers I got on the cylinders with the throttle open
#1 126 #2 122 #3 120 #4 120

Mivec head has S2 cams beehive springs & retainers. Block has turbo tuff I beams, and wiseco 1400 HD 8.5:1 pistons

are these normal numbers with mivec, bigger cams, and 8.5:1 pistons? I was expecting higher numbers.
Old Apr 29, 2024, 06:43 PM
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Normal for a low compression piston.
My BR built 2.0 (from back in like 2014) has very similar results.
On my X when I ran 10.0:1 pistons it would read 150+ cold lol
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Saleemb_IX (Apr 30, 2024)
Old Apr 30, 2024, 02:17 PM
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Okay cool! It had me worried for a second lol thanks for the input.
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