LS7 Crank: Flat plane or Cross Plane??

Pete walsh · 10-23-2009, 05:50 AM

Ass above which are they?

Cheers,

Pete

Old SStroker · 10-23-2009, 08:24 AM

Quote:

Originally Posted by Pete walsh

As above which are they?

Cheers,

Pete

90° spacing on the throws, so "cross plane" in your words.

Very few production V8s have 180° "flat plane" cranks. Ferrari is one exception. 180° cranks induce more vibration than 90° cranks, so this is a problem especially on larger stroke engines.

Why did you ask

Jon