What is the best knock sensor for my application?

[FattyBoomBatty]

good info. I've heard that a 350 chev. piston is about the same size too. Some guy went to an autoparts store and searched through the list of engine rebuild kits to find a similar bore size GM sensor. I'd almost like to go with a GM sensor since I read it is supposedly more reliable. But if the 3s sensor is not horribly expensive and fits, that might be a better choice.

[JET]

I doubt the thread pitch on the GM sensor is the same size, is it? FWIW, I run a 2g sensor on a 2.4 and AEM.

[FattyBoomBatty]

yeah, I might do the 2G. since I bet I could get my hands on one quick. But since it is based kindof on bore size,the 3s one might be better. I'll keep checking around, and if I can find a simple adaptor, the GM one would tickle my fancy more than mitsu.