Originally Posted by harleyds2
I just rebuilt an Indmar 351 with roller rockers and the taller valve covers do not allow installation of the exhaust manifolds. there is not enough clearance between the manifold and cover..
Anyone been up against this? Solutions?
Yep, I went through this as well. Summitracing sells flanges that can be used as spacers. http://www.summitracing.com/search/p...d=351w+exhaust
or you can have the manifolds milled at an angle to clear the valve covers.