sxr sqish with ada head
- Thread starter Fly2day
- Start date
#ZERO
Beach Bum
- Location
- Florida - U.S.A.
I think most ADA domes run about .045" to .050" squish clearance.
Piston squish serves as a cooling source for the top of the piston, especially around the edges. If the squish thickness is too big, the engine may overheat and seize. If the squish is too small, the trapped mixture may ignite prematurely, creating a second combustion front, which acts as a big hammer blow to the top of the piston, causing detonation.
Piston squish serves as a cooling source for the top of the piston, especially around the edges. If the squish thickness is too big, the engine may overheat and seize. If the squish is too small, the trapped mixture may ignite prematurely, creating a second combustion front, which acts as a big hammer blow to the top of the piston, causing detonation.
Mark44
Katie's Boss
- Location
- 100% one place
Mark44
Katie's Boss
- Location
- 100% one place
i
I could not get the right squish with this cylinder and come to find out I had to deck the cylinder .010 there is probably nothing wrong with your domes.
Mark44
I could not get the right squish with this cylinder and come to find out I had to deck the cylinder .010 there is probably nothing wrong with your domes.
Mark44
- Location
- Tampa, FL
The tighter you run the squish the more bottom end it will produce. .035 is not tight for a performance two-stroke considering how low the RPMs are in these engines. Also comparsion are difficult based upon the type of solder used, diatmeter, and lead content all have an effect on the measurement.
Hey Rick, hows the ultralight SXR coming?