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This is a service we can likely offer for our RPMSpeed HD pistons. They would likely all be a std .100 deep to allow for much larger cams and smaller chamber heads to be ran.
Cost increase would still basically make them below any forged piston on the market. Likely in the $100 range for the service. I dont want to waste time and money on this jig etc unless we have at least some serious interest. I know people have wanted this in the past, so here is a chance to get that option.
Any piston we offer can be cut like this so that means
4.8 press or floating pin flat top
3.780 3.800 3.810 3.820
5.3 press or floating pin dish
3.780 3.800 3.810 3.820
5.7 press or floating pin flat top
3.898 3.908
6.0 press or floating pin dish
4.000 4.020 4.030 4.040
6.0 floating pin flat top with hard anodized top
4.000 4.020 4.030 4.040
6.2 floating pin flat top
4.065 4.075
Let me know what you guys think!
Last edited by tech@WS6store; Feb 15, 2020 at 03:28 PM.
This is a service we can likely offer for our RPMSpeed HD pistons. They would likely all be a std .100 deep to allow for much larger cams and smaller chamber heads to be ran.
Cost increase would still basically make them below any forged piston on the market. Likely in the $100 range for the service. I dont want to waste time and money on this jig etc unless we have at least some serious interest. I know people have wanted this in the past, so here is a chance to get that option.
Any piston we offer can be cut like this so that means
4.8 press or floating pin flat top
3.780 3.800 3.810 3.820
5.3 press or floating pin dish
3.780 3.800 3.810 3.820
5.7 press or floating pin flat top
3.898 3.908
6.0 press or floating pin dish
4.000 4.020 4.030 4.040
6.0 floating pin flat top with hard anodized top
4.000 4.020 4.030 4.040
6.2 floating pin flat top
4.065 4.075
Let me know what you guys think!
ABOUT how many cc's will that add to the combustion ratio volume?
ABOUT how many cc's will that add to the combustion ratio volume?
Saw this thread where KCS discussed how to find volume of the material removed by fly cutting. Thought it might be of interest. See post #5.
"Depends on the diameter of the flycut and valve angle as well, then find someone who can do the math. I find it easier to flycut a practice piston, fill with clay and scrap the top off flat, then measure the volume by dropping the pieces into a burette."
Per post #7 another member said "cut my stock pistons .12x and they came out to around 1.8cc each if I recall"
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Gauging interest on flycutting our pistons 
