splatt wrote:Do they still use cei threads in the alloy barrel?, if so you want to arshole them out and find a more suitable thread for aluminium any way
I don't know if mine have been molested in the past - I suspect not; the threads are BSF, and are solid brass inserts into the aluminium (note we both know how to spell
The bolts I got were the right thread, but would have needed shortening a good bit for these 750 barrels. I don't know if the 810 barrels have a much deeper thread?
Since I got these barrels I've managed to acquire 2 sets of Dunstall pistons. manufactured by GPM.
I don't know what compression ratio they are, but I'm hoping they'll go well in the Proddy Racer I'm building (4S cam, 41mm inlet valves).
Just hope the cases can take it