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Wd rocker arms
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Onalaska Ben View Drop Down
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Joined: 15 Oct 2019
Location: Onalaska washin
Points: 16 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Onalaska Ben Quote  Post ReplyReply Direct Link To This Post Topic: Wd rocker arms
    Posted: 12 Nov 2019 at 5:09pm
Has anyone used the Murphy motors rocker arms on a wd. Wondering if its worth it. I know in the automotive field going from 1.5 to 1.6 rockers on a Chevy helps but wasn't sure how the old tractor would perform.
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 21893 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 12 Nov 2019 at 8:09pm
Let's say we both have identical WD engines, except for the fact that mine has a WD45 carburetor, manifold and air cleaner. Your's is 100% a WD carb, manifold and air cleaner. You add the Murphy rocker arms. I'll bet $$$$$ I still have more POWER.
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MACK View Drop Down
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Joined: 17 Nov 2009
Points: 7664 		Post Options Post Options   Thanks (0) Thanks(0)   Quote MACK Quote  Post ReplyReply Direct Link To This Post Posted: 12 Nov 2019 at 8:17pm
The Murphy rockers don't use bearings at pivot, so very little help + the tolerance is not good enough to put a caged bearing in them.    MACK
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AaronSEIA View Drop Down
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Joined: 11 Sep 2009
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Points: 2572 		Post Options Post Options   Thanks (0) Thanks(0)   Quote AaronSEIA Quote  Post ReplyReply Direct Link To This Post Posted: 13 Nov 2019 at 6:47am
I'm a long ways away from an engine bulder.  It seems to me though on something that turns 1800 RPM the standard V8 performance tweeks for 5,000 RPM may not be worth it.
AaronSEIA
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Onalaska Ben View Drop Down
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Joined: 15 Oct 2019
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Points: 16 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Onalaska Ben Quote  Post ReplyReply Direct Link To This Post Posted: 13 Nov 2019 at 3:00pm
Thanks for the input. Stumbled across them and didn't know if anyone had done a test from stock rockers to them without any other changes.
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