SR-71 heads hydro roller
SR-71 heads hydro roller
Am i wrong in thinking that the SR-71 heads are conducive to a better hydraulic roller lifter setup? The reason being the longer valves and raised pedestals? Im not an engine builder but is the pushrod side-loading less of an issue with these heads?
poweredbyford- Posts : 48
Join date : 2010-01-22
Re: SR-71 heads hydro roller
I don’t think hydraulic rollers are the intended application for those heads.
dfree383- BBF CONTRIBUTOR
- Posts : 14335
Join date : 2009-07-09
Location : Home Wif Da Wife.....
Re: SR-71 heads hydro roller
Yes, the valves are longer, and the rocker stud pad is raised higher. As a result the pushrods are longer than other CJ style heads. With a mechanical roller they are in the neighbor hood of 9.500" long. The longer pushrods will have less side angularity.
Charlie
Charlie
c.evans- BBF VENDOR SPONSOR
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