compression ratio increases power and fuel economy at the same time. I read that the HT motor only has a static 6:1 compression ratio. I have also measured the combustion chamber volume to be 9.18cc this ratio really sucks. I calculated that by decreasing the volume or increasing the piston height you can bump this up to an optimum 9:1 by adding or removing 3cc's. I think that the real ratio is alot less maybe 12:1 may work well.
I will be brazing some pistons to decrease the chamber volume at TDC. I will let you guys on how it goes. my only worry is being able to start it.
I will be brazing some pistons to decrease the chamber volume at TDC. I will let you guys on how it goes. my only worry is being able to start it.