Time difference
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Cruiser
Joined: Jun 2005
Posts: 242
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Time difference
I would like to know from someone who actually changed their cam and use their original pushrods how long it took to go in from the top. Assume the gas tank is off the bike, how long and how difficult is this procedure versus using adjustable pushrods.
Outstanding HDF Member
Joined: Aug 2010
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From: Union,Ms
It's not difficult at all. It might take an hour to take the rocker assembly off if that long. Plus 30 minutes to get the intake off.
Advanced
Joined: Apr 2007
Posts: 93
Likes: 45
From: West of KC
Just changed cams last weekend on mine. I had never done this before. Went thru the top as you are describing. Added about an hour to an hour and a half. Not a big deal to do at all. Just follow the book.
Extreme HDF Member
Joined: Sep 2010
Posts: 14,744
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From: Phoenix '53, '88, '09 Big Twins
it's a matter of pulling the rocker boxes- so the cost for that time, plus the gaskets.
removing throttle body.
that is why for years a bolt cutter has been used to cut the pushrods, which are then removed in 2 pieces.
The adjustable 2 piece pushrods, slide into place then are adjusted to proper length.
the locknut can get loose, but not often if the install is correct.
given my druthers, I'd rather have the factory solid pushrods, but If I am paying for it, or doing the job myself, I'd cut the old ones out and leave the top end undisturbed-- unless i had the heads off for another reason...
and IF I was going to that trouble and expense i would probably switch to bored pistons and cylinders ( 88 to 95, or 96" to 103), which would be a matter of 15 minutes at this point.
realistically for a shop tech it could add 2 or 3 hours to pull and re-apply everything for the sake of the pushrods, that includes the time sourcing gaskets and seals
Mike
removing throttle body.
that is why for years a bolt cutter has been used to cut the pushrods, which are then removed in 2 pieces.
The adjustable 2 piece pushrods, slide into place then are adjusted to proper length.
the locknut can get loose, but not often if the install is correct.
given my druthers, I'd rather have the factory solid pushrods, but If I am paying for it, or doing the job myself, I'd cut the old ones out and leave the top end undisturbed-- unless i had the heads off for another reason...
and IF I was going to that trouble and expense i would probably switch to bored pistons and cylinders ( 88 to 95, or 96" to 103), which would be a matter of 15 minutes at this point.
realistically for a shop tech it could add 2 or 3 hours to pull and re-apply everything for the sake of the pushrods, that includes the time sourcing gaskets and seals
Mike
Last edited by mkguitar; Feb 19, 2011 at 10:08 AM.
Tourer
Joined: Jun 2007
Posts: 270
Likes: 25
From: Manchester, TN. & DeLand, FL.
+1, time difference might even be less when you figure you don't have to adjust the pushrods when going back together. I went through the top and would do it that way again.
Right at about an hour and a half, but then you get about 15 minutes back by not having to mess around with the adjustables. You can figure it adds a little over an hour to the job. If a shop does it, they will likely charge you another 2 hours labor.
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150 bucks for the pushrods versus 2 hours shop labor plus the gaskets to re-use the stock pushrods is a no-brainer at a shop. For a do-it- your selfer it's a toss up. IMO
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