Straight8 wrote: ↑Wed Oct 25, 2017 9:32 amWould a block .300 shorter deck really be a big plus? I know that would lighten the rod a little but I've been involved with the BBC crowd where the tall deck has ran successfully with short deck stuff. Personally I haven't had an engine operated at this kind of rpm,8000 or so with bigger cid and never ran a small .927 pin. I would " think" that pin in a little thicker wall would be ok even for high rpm NA deal,but that's why I'm asking. it's gona need all the dome I can get with that short stroke for hopefully 14.1 or more.Mark O'Neal wrote: ↑Wed Oct 25, 2017 3:10 am Is there any way to come up with a 10.000 aftermarket block?
It's a lot of RPM, but it's a puller. Running components that are too light will hurt, it would seem to me. You want to store all the energy you can to help you at the end of the pull.
There is nothing wrong with the rods you have, they'll move a lot of weight off the piston and move it toward the crankshaft.
Dome, dish, or flat?
I'll only complain about the pin when I know how much compression you're running. What wall pins have you been running?
Pins used to be a great way to save weight, but not so much anymore, Cylinder pressures are a lot higher today than they were in the 1980s. A .927 will with a thicker wall weight as much as a .990.....so all you're getting is a pin that is more likely to deflect.
Other than that, I don't see anything wrong with your combination. ROSS, CP, JE, Diamond will all build a piston for those parameters and you don't need anything way weird for 8,000 rpm. I don't know what head you're running, but a normal open chamber dome will max out at close to 51ccs, so you will be chasing compression.