2nd Gen General Discussion The place for non-technical discussion about 2nd Gen RX-7s or if there's no better place for your topic

Compression

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Old Nov 15, 2023 | 07:42 PM
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Compression

Car flooding issues. Did compression test
cylinder 1 - 100,100,100
cylinder 2 - 105, 105, 85

is 85 that concerning?

going to try test again
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Old Nov 15, 2023 | 07:51 PM
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Cylinder 2 looks like 105,105 90
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Old Nov 15, 2023 | 08:24 PM
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Normally one face lower than the others isn't great, but when the car floods it washes the oil film off of the walls of the housing and compression appears lower. I wouldn't worry about it yet.
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Old Nov 15, 2023 | 08:28 PM
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We’ll look what just happened
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IMG_3236.MOV (6.12 MB, 33 views)
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Old Nov 15, 2023 | 08:30 PM
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So I removed all plugs (which were wet) blew everything outta cylinders… did compression test. Trued again it ran and failed again shortly after. She has to be flooding…. Unplugged maf. And voila she’s actually running and holding idle.
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