that's a nice schematic of your setup..
and when I was talking about the size of oilcoolers I was clearly having the kind of temperatures in mind we enjoy (not really :roll: ) overhere in the Netherlands.. Texas sounds like an inferno though so keeping a GS cool is an important issue obviously..
about the bigger diameter hd-studs compromising the oilflow.. you have a point there but if you actually calculate the remaining space you'll find this area compares to an oilline of 3,32 mm inner diameter which will probably just be large enough..
but I must admit using the stock studs in the oilways while using hd-studs for the rest just to be on the safe side..
the holes in copper gaskets are just as large as the oilways in the block though.. so I don't understand why anyone would want to enlarge these further..
as for the "air passages" between the cylinders.. here I was talking about the spaces between cyl. #1 & 2 and #3 & 4 in the CYLINDER BLOCK! not the space between the protruding sleeves in the cases! (which obviously will become smaller)
sorry for any misunderstanding..
anyway.. good luck with the 1260 project!
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