Posted by Gary in CO [64.234.252.38] on Thursday, April 26, 2012 at 18:14:57 :
In Reply to: 315 or 318 ??? posted by BK in Redmond [98.149.241.149] on Thursday, April 26, 2012 at 11:57:06 :
The valve cover scallops for exhaust valve clearance are individually symmetrical on the 315 and asymmetrical on the 318. Gar
Pic is a 318. Has an upward arrow shape in the middle.