# Blacktop SR20DET compression test readings...need help!

**URL:** <https://forums.speedlife.net/t/blacktop-sr20det-compression-test-readings-need-help/110235>\
**Category:** SON240sx Automotive\
**Created:** [October 13, 2007, 7:39pm UTC](https://forums.speedlife.net/t/blacktop-sr20det-compression-test-readings-need-help/110235 "2007-10-13T19:39:51Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![R33](https://avatars.discourse-cdn.com/v4/letter/r/5f8ce5/32.png) [@R33](https://forums.speedlife.net/u/R33)\
**Post date:** [October 13, 2007, 10:06pm UTC](https://forums.speedlife.net/t/blacktop-sr20det-compression-test-readings-need-help/110235/4 "2007-10-13T22:06:20Z")

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> [@Parting out 05 wrb wrx](https://forums.speedlife.net/t/parting-out-05-wrb-wrx/14463/9):
>
> thanks…its most likely the head gasket if their all low…or all piston rings are fried…but i have a question…should you be cranking until the needle stays stationary?..

yeah keep cranking till the needle doesnt move

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