How Terrible Will A Compression Ratio Of 9.2 Be Short Term?
Posted 13 January 2020 - 08:58 AM
Posted 13 January 2020 - 10:28 AM
Standard 12G295 on dished 998 low compression pistons works fine - it will rev a little better but you wont get the power gains that a slightly higher ratio would give you.
So you might make a handful extra HP.
Posted 13 January 2020 - 02:45 PM
The compression ratio on non A+ non Cooper 998cc engines was only 8.3:1
Posted 13 January 2020 - 05:20 PM
Posted 13 January 2020 - 07:53 PM
It will be fine and you can use cheap super market fuel with no running issues.
I think the 998 cooper CR was 9:1 or maybe 9.4:1 so you`re pretty much on the money.
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