S_Gault
RMS Regular
- Messages
- 1,117
- Location
- Ballymoney
Ok heres a few details-
the block deck height and piston volume came out at 17cc
the head gasket is 3.9cc
equation is (swept volume + compressed volume) / compressed volume.
but Keiths engine isnt 1297cc anymore its got a bore size of 76mm giving 1331cc with std stroke of 73.4mm. and the std compression is much too low at 9.4:1
so to save all the bollocks- I need 14.1cc in the head to get the compression where i want it... ie 0.045in has to come off head.
Next time- Cam timing!
Steven
the block deck height and piston volume came out at 17cc
the head gasket is 3.9cc
equation is (swept volume + compressed volume) / compressed volume.
but Keiths engine isnt 1297cc anymore its got a bore size of 76mm giving 1331cc with std stroke of 73.4mm. and the std compression is much too low at 9.4:1
so to save all the bollocks- I need 14.1cc in the head to get the compression where i want it... ie 0.045in has to come off head.
Next time- Cam timing!
Steven