General cam question
Banned
Joined: Jul 2005
Posts: 941
Likes: 0
From: San Leandro,ca
RE: General cam question
If the chains drive cam's are so bad why does S&S, Andrews, still offer them?
steve
Outstanding HDF Member
Joined: Oct 2005
Posts: 2,035
Likes: 5
From: near Buffalo, NY
RE: General cam question
Lots of drama from that guy...
Like I said above, if a guy wants to spend another $400.00 for geared cams, then great, but don't mislead the public and blow the old cam tensioner problems into something they aren't.. Yeah, there was a problem right up to the 03' MY, but they have been addressed.
The new bikes come with polished chains and a different material for the tensioner. I guess after 25,000 miles, it wouldn't be a bad idea to check them, but they certainly aren't a " ticking time bomb waiting to explode, destroy your motor, and cost you alot of grief."
Like I said above, if a guy wants to spend another $400.00 for geared cams, then great, but don't mislead the public and blow the old cam tensioner problems into something they aren't.. Yeah, there was a problem right up to the 03' MY, but they have been addressed.
The new bikes come with polished chains and a different material for the tensioner. I guess after 25,000 miles, it wouldn't be a bad idea to check them, but they certainly aren't a " ticking time bomb waiting to explode, destroy your motor, and cost you alot of grief."
Thread Starter
|
Road Warrior
Joined: Dec 2005
Posts: 1,950
Likes: 2
From: Colorado Springs, CO
RE: General cam question
ORIGINAL: Electra Geezer
Maybe I've been in some sort of vacuum but this is the first time I've heard that you can not install the S&S gear drive kit on an 06. Is that true for the all 06 Dyna's or does it apply to the 06 EG also?
ORIGINAL: bobcowan
But there are no gear cams available for the '06 yet. So for now, I'll use SE chain driven.
But there are no gear cams available for the '06 yet. So for now, I'll use SE chain driven.
Is a gear drive better than chain drive? Strictly from a mechanical point of view, Of Course It Is!! Fewer moving parts, less wear and tear, etc, etc, etc. But, it's all in the execution. There were a lot of problems with the early chain drives. And I think they have been addressed and resolved reasonably well. Unless you run high spring pressures, I think they will be fine. If I even had a hint that this was a, "Ticking time bomb", I wouldn't buy the bike. Every so often I'll open it up and take a look. Besides, there's no other choice at the moment. So it's a dead issue.
I spoke with a local engine builder today. Here's what I learned about the stock '06 Dyna heads:
1. Max valve lift is .550.
2. Off the shelf flow rates are very good. A simple 30 minute clean up and a 5 angle valve job and they flow "better than most SE heads". Very encouraging. Also, the now stock beehive springs are excellent - as I suspected.
So the decision has been made, partly by default. SE 204 chain drive cam, mild port and polish job, SE 95" cylinders, high compression cast piston, SERT, slip ons, SE air cleaner. Effective cylinder pressures here at 6,500' asl will be about 168; the same pressure as a stock engine at sea level. Should run well all day long with mid grade pump gas in pretty much any condition I might encounter.
Thanx for all your help. It's nice to pass these ideas around and get varying viewpoints.
Cruiser
Joined: Dec 2005
Posts: 123
Likes: 1
RE: General cam question
ORIGINAL: bobcowan
Only the Dynas have this new cam plate. The cam plate, cams, bearings, chains, and tensioners are all differant than the '05's and the other TC motors. Nothing interchanges.
Is a gear drive better than chain drive? Strictly from a mechanical point of view, Of Course It Is!! Fewer moving parts, less wear and tear, etc, etc, etc. But, it's all in the execution. There were a lot of problems with the early chain drives. And I think they have been addressed and resolved reasonably well. Unless you run high spring pressures, I think they will be fine. If I even had a hint that this was a, "Ticking time bomb", I wouldn't buy the bike. Every so often I'll open it up and take a look. Besides, there's no other choice at the moment. So it's a dead issue.
I spoke with a local engine builder today. Here's what I learned about the stock '06 Dyna heads:
1. Max valve lift is .550.
2. Off the shelf flow rates are very good. A simple 30 minute clean up and a 5 angle valve job and they flow "better than most SE heads". Very encouraging. Also, the now stock beehive springs are excellent - as I suspected.
So the decision has been made, partly by default. SE 204 chain drive cam, mild port and polish job, SE 95" cylinders, high compression cast piston, SERT, slip ons, SE air cleaner. Effective cylinder pressures here at 6,500' asl will be about 168; the same pressure as a stock engine at sea level. Should run well all day long with mid grade pump gas in pretty much any condition I might encounter.
Thanx for all your help. It's nice to pass these ideas around and get varying viewpoints.
ORIGINAL: Electra Geezer
Maybe I've been in some sort of vacuum but this is the first time I've heard that you can not install the S&S gear drive kit on an 06. Is that true for the all 06 Dyna's or does it apply to the 06 EG also?
ORIGINAL: bobcowan
But there are no gear cams available for the '06 yet. So for now, I'll use SE chain driven.
But there are no gear cams available for the '06 yet. So for now, I'll use SE chain driven.
Is a gear drive better than chain drive? Strictly from a mechanical point of view, Of Course It Is!! Fewer moving parts, less wear and tear, etc, etc, etc. But, it's all in the execution. There were a lot of problems with the early chain drives. And I think they have been addressed and resolved reasonably well. Unless you run high spring pressures, I think they will be fine. If I even had a hint that this was a, "Ticking time bomb", I wouldn't buy the bike. Every so often I'll open it up and take a look. Besides, there's no other choice at the moment. So it's a dead issue.
I spoke with a local engine builder today. Here's what I learned about the stock '06 Dyna heads:
1. Max valve lift is .550.
2. Off the shelf flow rates are very good. A simple 30 minute clean up and a 5 angle valve job and they flow "better than most SE heads". Very encouraging. Also, the now stock beehive springs are excellent - as I suspected.
So the decision has been made, partly by default. SE 204 chain drive cam, mild port and polish job, SE 95" cylinders, high compression cast piston, SERT, slip ons, SE air cleaner. Effective cylinder pressures here at 6,500' asl will be about 168; the same pressure as a stock engine at sea level. Should run well all day long with mid grade pump gas in pretty much any condition I might encounter.
Thanx for all your help. It's nice to pass these ideas around and get varying viewpoints.
I think you'll really like that combo! Keep us posted when you get it all set up!
GC
Thread
Thread Starter
Forum
Replies
Last Post
