Search found 2 matches
- Thu Aug 12, 2010 7:00 am
- Forum: General Information
- Topic: Engine Speed Limitation in MegaSquirt???
- Replies: 6
- Views: 751
Re: Engine Speed Limitation in MegaSquirt???
What is the source of the limitation? It seems clear from the answers here that it's not simply teeth and rpm but cylinder count too. What is the math on that? I also seem to recall reading somewhere that the tooth count had to be divisible by the number of cylinders (perhaps that only a sequential ...
- Mon Sep 25, 2006 9:34 pm
- Forum: OEM EFI Hardware
- Topic: Harley Davidson EFI Hardware
- Replies: 2
- Views: 438
Timing
I can't say that I know 135' is incorrect for certain, but bear with me for a moment. HD engines are a common-pin, 45-degree V-twin. When the front cylinder is at TDC, the rear is (necessarily) 45' ATDC. When the front cylinder in on TDC-compression, the rear cylinder is on it's intake stroke. From ...