Why use pushrods?
Grand HDF Member
Joined: Nov 2007
Posts: 4,067
Likes: 60
From: Chesterfield, VA
HD builds these engines for we the owners. They know we like to work on them. Push Rod engines are easy to work on. Do you know any V-Rod owners who have maybe upgraded their cams? They would sell a V-Rod Tourer with a mid range cam. Owners WILL want more power. A cam job will get really complicated with OHC.
Road Captain
Joined: May 2009
Posts: 505
Likes: 2
I'd suggest that the MoCo didn't go to all the expense and grief (engineering and marketing) OHC engines (V-Rod excepted) because one of the main points of an OHC is to gain revs reliably (like a V-Rod) but a big Harley runs close to maximum piston speed already so cannot add many revs anyway - even if they did toughen up the crank, bearings etc sufficiently. To get the benefit of doing the OHC you'd also have to shorten the stroke to preserve the engine, probably also make more heat so you'd need jackets etc and before long you've designed a V-Rod.
Well, since someone brought up cams and doing their own work, I have another thought.
Since the SE 255 cam is so popular and most everyone wants more power from their bike, why can't the MoCo just slap it in from the production line?
If it is purely a money thing I will be very disappointed.
Since the SE 255 cam is so popular and most everyone wants more power from their bike, why can't the MoCo just slap it in from the production line?
If it is purely a money thing I will be very disappointed.
Grand HDF Member
Joined: Nov 2007
Posts: 4,067
Likes: 60
From: Chesterfield, VA
Well, since someone brought up cams and doing their own work, I have another thought.
Since the SE 255 cam is so popular and most everyone wants more power from their bike, why can't the MoCo just slap it in from the production line?
If it is purely a money thing I will be very disappointed.
Since the SE 255 cam is so popular and most everyone wants more power from their bike, why can't the MoCo just slap it in from the production line?
If it is purely a money thing I will be very disappointed.
Road Master
Joined: May 2008
Posts: 762
Likes: 14
From: Bellevue, NE
Exactly. So, actually, it *is* a money thing, in the sense that by using the stock grind, and tuning *very* lean, they are still able to meet the EPA emissions requirements, saving themselves a ton of re-tooling and re-engineering money, all the while staying mostly 'pure' for the traditionalists so as not to hurt reccuring sales too much, and as someone else suggested, differentiating themselves in the market place from the OHC bikes. It seems, given Harleys absolute dominance in the heavyweight cruiser market, that it's been a pretty successful formula.
Supporter
Joined: Aug 2008
Posts: 5,189
Likes: 16
From: N.E. Wisconsin
Well, since someone brought up cams and doing their own work, I have another thought.
Since the SE 255 cam is so popular and most everyone wants more power from their bike, why can't the MoCo just slap it in from the production line?
If it is purely a money thing I will be very disappointed.
Since the SE 255 cam is so popular and most everyone wants more power from their bike, why can't the MoCo just slap it in from the production line?
If it is purely a money thing I will be very disappointed.
The Only time they gonna built harley with overhead cams is if we Stop buying what they got now. you know they are not crazy, Why Replaced if, still selling .. Millions.
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Club Member
Joined: Jun 2007
Posts: 45,429
Likes: 2,898
From: Bedford UK
Well, since someone brought up cams and doing their own work, I have another thought.
Since the SE 255 cam is so popular and most everyone wants more power from their bike, why can't the MoCo just slap it in from the production line?
If it is purely a money thing I will be very disappointed.
Since the SE 255 cam is so popular and most everyone wants more power from their bike, why can't the MoCo just slap it in from the production line?
If it is purely a money thing I will be very disappointed.
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sober1
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Aug 11, 2013 09:15 AM
