Quote:
Originally Posted by RodKnock
Obviously having a business relationship with engine builder such as Roush may have contribute to the reason why most SPF's and BDR's have SBF's. For whatever reason, there are alot of Roush SBF's in BDR's and SPF's. The Roush BBF's are about the same price as BDR or SPF roller, so that could be just one reason for the lack of BBF's in BDR's and SPF's.
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It may have a slight influence but not much anymore. Very few Roush engines going out the door the last 2+ years. Adding to some of the reluctance on the BDR with FE builds is the headers are generally not stocked etc.
There's also a lot of SPFs with Ford Racing 460s ... that would be a tip to the cost factor.