mudyman Posted January 7, 2017 Report Share Posted January 7, 2017 Hi all, has anyone fitted a decompressor to the Cota 248 ? It seems that the hole has never been drilled probably because the smaller bore didn´t leave enough room. A 348 head would do the job but reduce the compression so if anyone has previously tried this please say what it did to compression ! Quote Link to comment Share on other sites More sharing options...
digger144 Posted January 7, 2017 Report Share Posted January 7, 2017 waste of time,I had one on a 1974 250. Quote Link to comment Share on other sites More sharing options...
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