GR wrote:
Hi TK
No they are not from another engine the 73mm pistons are marked STD and the 73.5 are marked .020 this was decided when I designed the pistons for precision, so I marked mine the same way so there was no confusion, but they did not want to run their rings that close to the top of the piston as their ring could not cope with the heat.
So after being burnt by precision I decided to go it alone using a different manufacture to make my pistons, mine are lighter, better quality ring package, I have a flat dish with a much bigger squish band for better combustion.
Also my plus .040 and .060 1275 pistons have drilled holes behind the oil ring not a slot like the precision which is a weak point for high RPM,go and have a look at my website at the testing we did for my sons car running the motor way above 8500 RPM with out any problems.
I have pistons here where the pistons have broken through the slot they were hypatec.
But in saying that I have used hypatec in a lot of engines and in the right application they are an excellent piston, as for price I can not even think about trying to match their price as there buying power is massive compared to mine, so all I can offer is a very good quality piston at a reasonable price.
Graham russell
No they are not from another engine the 73mm pistons are marked STD and the 73.5 are marked .020 this was decided when I designed the pistons for precision, so I marked mine the same way so there was no confusion, but they did not want to run their rings that close to the top of the piston as their ring could not cope with the heat.
So after being burnt by precision I decided to go it alone using a different manufacture to make my pistons, mine are lighter, better quality ring package, I have a flat dish with a much bigger squish band for better combustion.
Also my plus .040 and .060 1275 pistons have drilled holes behind the oil ring not a slot like the precision which is a weak point for high RPM,go and have a look at my website at the testing we did for my sons car running the motor way above 8500 RPM with out any problems.
I have pistons here where the pistons have broken through the slot they were hypatec.
But in saying that I have used hypatec in a lot of engines and in the right application they are an excellent piston, as for price I can not even think about trying to match their price as there buying power is massive compared to mine, so all I can offer is a very good quality piston at a reasonable price.
Graham russell
Whew
thanks GR, here is me thinking it stood for Subject To Detonation 
