JD 8.1L NG Compression Ratio November 29, 2015 03:40AM
I am in need of two important specs from an 8.1L NG Deere engine (6081 HFN01).

Need both the compression ratio and the static cylinder pressure in pounds (most likely in a service manual I would think).

Any help greatly appreciated.

Re: JD 8.1L NG Compression Ratio December 02, 2015 01:23AM
I was really hoping someone would have an answer for this.........

Re: JD 8.1L NG Compression Ratio December 02, 2015 01:26AM
25.1 40000 psi

Re: JD 8.1L NG Compression Ratio December 02, 2015 02:25AM
hfn01 engines compression ratio 10:1, compression test at 155-185 psi

Re: JD 8.1L NG Compression Ratio December 02, 2015 04:24AM
Sting, thanks for the factual info, it's much appreciated.

As you could see above that, there's always a moron offering their knowledge.

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