kiwisuzuki1100nz Posted July 20, 2019 Share Posted July 20, 2019 Hi, Sooo I have a 1109 wiseco piston kit on the way. With the compression increased to 12:1 should I use a thicker base gasket i.e. instead of a .010 inch use a .020 Copper or steel? Quote Link to comment
Gixer1460 Posted July 20, 2019 Share Posted July 20, 2019 Why buy hi-comp pistons then decompress them? 12:1 isn't totally un-usable on the road, just don't load the motor excessively when hot - it'll pink / knock but you'll have to do it for hours to kill a piston but add some nitrous (for example) and bye bye piston LOL! I'd use copper only because it can be annealed and reused but either will work fine. Quote Link to comment
Dezza Posted July 20, 2019 Share Posted July 20, 2019 For the 1109 kit I thought the stock OEM base gasket should be used? That's what I intend to do anyway. Last time I looked they were on offer at Robinsons for 4 quid a pop which should end up the deciding factor for most on here Quote Link to comment
kiwisuzuki1100nz Posted July 20, 2019 Author Share Posted July 20, 2019 ok Thanks will stick with the stock .010 gasket. I had read elsewhere a thicker gasket being used Quote Link to comment
george 1100 Posted July 21, 2019 Share Posted July 21, 2019 Measure your engine, it's not difficult and it's actually fun. Small variables can affect compression a lot at that level Quote Link to comment
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