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cam removal without removing pushrods

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Old Oct 1, 2013 | 11:32 PM
  #1  
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Default cam removal without removing pushrods

is it possible to remove cam body without snipping off and replacing pushrods. i need to replace oil pump and check cam chain tensioner.
 
Old Oct 1, 2013 | 11:42 PM
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Yea take off your rocker boxes and pull the push rods
 
Old Oct 2, 2013 | 01:15 AM
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Yea u can just take the tank off and pull rocker covers.. U need a oil pump? I have lots of take off parts pump oil lifters cam plate u name it.. I can sell u what u need.. The parts are from my 2003 88 and tthere's 15,ooh miles on the parts
 
Old Oct 2, 2013 | 01:16 AM
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For what, in my opinion isn't that much additional work . . . I'm NOT a fan of using Adjustable Pushrods. Pull the Fuel Tank and the Rocker Boxes. It's an extra hour of work in what is otherwise about a 4 or 5 hour job. You don't need the additional expense of an Adjustable Pushrod Kit and the original Pushrods don't need and never will go out of adjustment.
 

Last edited by Bluehighways; Oct 2, 2013 at 01:19 AM.
Old Oct 2, 2013 | 05:54 AM
  #5  
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Originally Posted by Bluehighways
For what, in my opinion isn't that much additional work . . . I'm NOT a fan of using Adjustable Pushrods. Pull the Fuel Tank and the Rocker Boxes. It's an extra hour of work in what is otherwise about a 4 or 5 hour job. You don't need the additional expense of an Adjustable Pushrod Kit and the original Pushrods don't need and never will go out of adjustment.
 
Old Oct 2, 2013 | 06:27 AM
  #6  
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Originally Posted by Bluehighways
For what, in my opinion isn't that much additional work . . . I'm NOT a fan of using Adjustable Pushrods. Pull the Fuel Tank and the Rocker Boxes. It's an extra hour of work in what is otherwise about a 4 or 5 hour job. You don't need the additional expense of an Adjustable Pushrod Kit and the original Pushrods don't need and never will go out of adjustment.
But, correct me if I'm wrong, if the design on the cams (lobes, etc) is too big/small to use OEM pushrods there will be a lot of flop and the bike won't run correctly or if the OP has any sort of machining on the heads.

I have Wood TW6-6 cams in my '07. They are "bolt -in". I reused my stock pushrods. If I had machined the heads, I would have used adjustable pushrods.

A friend of mine bought Pro Taper (S&S? It's been a while) adj. pushrods because after doing the research he said those had the most TPI (threads per inch). He had SE adjustables originally and one of them let loose on a ride we were on together. As far as I know, he's never had a problem with the Pro Taper rods.

Also, you should not use lok-tite on them.
 
Old Oct 2, 2013 | 06:35 AM
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I like the adjustable pushrods, If you are putting in a cam you are concerned about lift and duration. Perfect fit pushrods are designed for the average stack height of all the components. (Case deck height, cylinder height, head gasket thickness, head thickness, roacker asm thickness)- (lifter length, cam lobe heightt)= Average Pushrod length. All of these components have min and max tolerances. With perfect fit I do not believe you can say you are utilizing all the lift you added with the cam.

Adjustable pushrods are $100 plus or minus. A top end gasket set isn't cheap, Why not cut the old pushrods out, save the time of removing the gas tank and rocker covers and install the adjustable pushrods?
 
Old Oct 2, 2013 | 07:49 AM
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When I replaced the cam bearing in my EVO I installed adjustable Harley pushrods. That was 20,000 miles ago and no problems. I thought if I decide to put in a different cam I still won't have to remove the rocker boxes. Also, mine are not leaking and I just did not want to take them apart.
 
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Old Oct 2, 2013 | 12:30 PM
  #9  
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Adjustable pushrods are an upgrade in my way of thinking. Mine have been in one of my bikes for over 25,000 miles trouble free. I don't understand the logic of pulling rockerboxs if not necessary. Even if I had to pull the rockerboxes for a complete top end. I would have installed adjustable pushrods in case of later cam change out.
 
Old Oct 2, 2013 | 01:04 PM
  #10  
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Originally Posted by Scrmnvtwins
I like the adjustable pushrods, If you are putting in a cam you are concerned about lift and duration. Perfect fit pushrods are designed for the average stack height of all the components. (Case deck height, cylinder height, head gasket thickness, head thickness, roacker asm thickness)- (lifter length, cam lobe heightt)= Average Pushrod length. All of these components have min and max tolerances. With perfect fit I do not believe you can say you are utilizing all the lift you added with the cam.

Adjustable pushrods are $100 plus or minus. A top end gasket set isn't cheap, Why not cut the old pushrods out, save the time of removing the gas tank and rocker covers and install the adjustable pushrods?
Could you explain the sentence of your post that I have bolded?

Unless the pushrods are grossly undersized (to the point of still having lash at maximum lifter extension) there is no effect on either lift or duration. Lift and duration are governed by the cam grind and cannot be altered by pushrod length.
 



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