Author Topic: HD Six Speed Rebuild  (Read 1272 times)

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Offline Ohio HD

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Re: HD Six Speed Rebuild
« Reply #25 on: December 18, 2017, 03:41:51 PM »
Thanks John, I may use duct tape, it's kinda slick on the outside.
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Online kd

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Re: HD Six Speed Rebuild
« Reply #26 on: December 19, 2017, 07:27:09 PM »
Teflon pipe tape  :up:  Easy to remove too.
KD

Offline Ohio HD

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Re: HD Six Speed Rebuild
« Reply #27 on: December 20, 2017, 10:00:51 AM »
Some of the stuff is rolling in.



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Offline rageglide

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Re: HD Six Speed Rebuild
« Reply #28 on: December 20, 2017, 07:32:21 PM »
Hey Brian what ratio are you going with on that chain drive conversion?

So far I've been happily over powering traction vs the belt.  But I keep thinking a chain would be smart swap...
Bob

Offline Ohio HD

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Re: HD Six Speed Rebuild
« Reply #29 on: December 20, 2017, 07:44:43 PM »
I'm at 3.063:1 now with an Evo industries 49 tooth clutch basket. If I add the new 24 tooth front and new 55 tooth rear I would have 3.303:1, a little low for me. So I'm changing the 49 tooth clutch basket for a Barnett 46 tooth basket, and with the new sprockets will have 3.100:1. That should be about right.


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Offline rageglide

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Re: HD Six Speed Rebuild
« Reply #30 on: December 20, 2017, 08:07:41 PM »
Right on.   3.30 would be nice if you had a grudge box.  But otherwise that RPM bump over stock would get old when you're used to running 3k at 80+.

Didn't realize you had the 49T clutch basket.  Seems like a 3.10 ratio is a good compromise for a street bike with a big motor.

btw this topic got my attention because i'm doing the same work.  trap door, main drive bearing, clutch bearing and support bearing.  Just got my parts yesterday.  Pussed out on the Baker main drive bearing/gear.  Almost bought a Strip Grudge box during Cyber week... but decided street door and a new MDG would have to suffice for now.

Offline Ohio HD

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Re: HD Six Speed Rebuild
« Reply #31 on: December 21, 2017, 03:11:05 AM »
I may also send my gear set to RC Performance to have gears back cut. I want to talk to them and see what they recommend doing.
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Online kd

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Re: HD Six Speed Rebuild
« Reply #32 on: December 21, 2017, 06:29:04 AM »
Brian, I think the 24 / 51 combination will put you right back to where you are at 3.063. The 51 tooth sprocket seems to be available in everyone's package. In fact most companies selling conversion parts claim the 24 / 51 combination replaces the stock ratio. Big Boyz calculator confirms it with my numbers. That's the way I think I'll be going. I will say the 3.06 ratio is just about perfect for everything with my riding style (lots of highway AND around town).
KD

Offline Ohio HD

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Re: HD Six Speed Rebuild
« Reply #33 on: December 21, 2017, 06:56:26 AM »
I'm using a 24 / 55 combo. I use the old math calculator.    :smilep:


(46/34) x (55/24) = 3.100
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Offline No Cents

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Re: HD Six Speed Rebuild
« Reply #34 on: December 21, 2017, 06:59:41 AM »
 I've ran a 3.055 gearing for the last two years. It's perfect for me.
Brian I'm sure you will like the 3.100 gearing for as much riding as you do.

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Offline GMR-PERFORMANCE

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Re: HD Six Speed Rebuild
« Reply #35 on: December 21, 2017, 07:14:17 AM »
Brian

Is that rear an aluminum version ?/. . I have had them shed teeth on the dyno .. Steel is the only way to go .. The one that did not break did not last very long . Ran one on my other bike and it wore out very fast . No warranty was what I was told on the teeth coming off  . only hit 175 Hp on that one as well .
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Online kd

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Re: HD Six Speed Rebuild
« Reply #36 on: December 21, 2017, 07:25:15 AM »
I'm using a 24 / 55 combo. I use the old math calculator.    :smilep:


(46/34) x (55/24) = 3.100



I certainly didn't intend to imply your combination was wrong. The 3.10 is very close to what you have with the 49 tooth Evo basket and you probably won't even notice a difference. My comment was just to note that you had a deadly basket now and probably could save the cost of changing to the Barnett by using a 51 rear sprocket instead. I'm sure you knew that any way.

The final ratio 3.055 t0 3.10 is deadly on the highway because you are running in the peak torque area, get good mileage there and have to hold on when aggressively passing.  :SM:  It also makes the around town stuff work well too.
KD

Offline Ohio HD

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Re: HD Six Speed Rebuild
« Reply #37 on: December 21, 2017, 07:46:18 AM »
Brian

Is that rear an aluminum version ?/. . I have had them shed teeth on the dyno .. Steel is the only way to go .. The one that did not break did not last very long . Ran one on my other bike and it wore out very fast . No warranty was what I was told on the teeth coming off  . only hit 175 Hp on that one as well .

Steve, it's the steel sprocket, zinc plated. Yeah we couldn't even get dirt bikes with aluminum sprockets to fold up way back when.

At the present time I have no worries about 175hp, but one never knows what might change.     :teeth:

   
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Offline Ohio HD

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Re: HD Six Speed Rebuild
« Reply #38 on: December 21, 2017, 07:47:23 AM »
I'm using a 24 / 55 combo. I use the old math calculator.    :smilep:


(46/34) x (55/24) = 3.100



I certainly didn't intend to imply your combination was wrong. The 3.10 is very close to what you have with the 49 tooth Evo basket and you probably won't even notice a difference. My comment was just to note that you had a deadly basket now and probably could save the cost of changing to the Barnett by using a 51 rear sprocket instead. I'm sure you knew that any way.

The final ratio 3.055 t0 3.10 is deadly on the highway because you are running in the peak torque area, get good mileage there and have to hold on when aggressively passing.  :SM:  It also makes the around town stuff work well too.

Oh, there's always a meaning to my madness.    :smiled:


 
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Offline Ohio HD

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Re: HD Six Speed Rebuild
« Reply #39 on: December 21, 2017, 07:48:49 AM »
I've ran a 3.055 gearing for the last two years. It's perfect for me.
Brian I'm sure you will like the 3.100 gearing for as much riding as you do.

(Attachment Link)

I think it'll feel good, not a lot of difference as to what I have now, maybe 250 rpm.
 
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Offline Ohio HD

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Re: HD Six Speed Rebuild
« Reply #40 on: December 21, 2017, 08:21:08 AM »
This is a Zippers kit, has everything needed. I know I can source this for a little less, but I kept them on the phone a couple of times discussing the kit, so I felt I should buy it from them. Only seemed fair.


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Online Hossamania

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Re: HD Six Speed Rebuild
« Reply #41 on: December 21, 2017, 09:35:53 AM »
Ohio, that is the way I do business too. Give me some time and effort, I will give you my business. I do not shop on price differences, especially small ones. And, you know they will back you should there be a problem.
Happiness does not buy money.

Offline Ohio HD

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Re: HD Six Speed Rebuild
« Reply #42 on: January 06, 2018, 07:48:42 PM »
More parts arriving for the transmission rebuild / upgrade. Still hovering around 0 F outside, to cold to contemplate actual work yet.


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Offline Moparnut72

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Re: HD Six Speed Rebuild
« Reply #43 on: January 07, 2018, 09:27:58 AM »
Ohio, that is the way I do business too. Give me some time and effort, I will give you my business. I do not shop on price differences, especially small ones. And, you know they will back you should there be a problem.

Me too. I have a small expresso maker that I take on bike camping trips. I bought it probably 45 years ago for about $20. A new one today is $125. Anyway the gasket on the lid went bad. I tried replacing it with an O ring but it leaked under pressure. In the meantime the strainer under it was lost. I was able to get ahold of the company by email. The gasket is available as a spare part but the strainer isn't. The company rep says to order the part and give him the order number and he would throw in a strainer. I was really impressed so I added some cookware to the order. BTW the company is GSI, they make and sell all kinds of camping equipment specializing in backpacking which works well on motorcycles. Customer service goes a long way.
kk
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Offline build it

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Re: HD Six Speed Rebuild
« Reply #44 on: January 07, 2018, 10:20:19 AM »
Nice write up so far, Ohio.
put down the ducky

Online HighLiner

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Re: HD Six Speed Rebuild
« Reply #45 on: January 07, 2018, 12:55:52 PM »
What did you find out on the backcutting?

Offline Ohio HD

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Re: HD Six Speed Rebuild
« Reply #46 on: January 07, 2018, 01:08:24 PM »
RC Performance said, and I quote, "we don't work on many HD transmissions". So I take it that they aren't interested. I'll just rebuild, update, and replace any needed parts, she'll be fine.   
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Offline 04 SE DEUCE

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Re: HD Six Speed Rebuild
« Reply #47 on: January 07, 2018, 01:17:48 PM »
More parts arriving for the transmission rebuild / upgrade. Still hovering around 0 F outside, to cold to contemplate actual work yet.

That's your own damn fault for delaying the move...66 here right now 1pm,  low tonight 50...been in the 70's the last few days.  Have fun Brian!

Offline Ohio HD

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Re: HD Six Speed Rebuild
« Reply #48 on: January 07, 2018, 01:24:51 PM »
More parts arriving for the transmission rebuild / upgrade. Still hovering around 0 F outside, to cold to contemplate actual work yet.

That's your own damn fault for delaying the move...66 here right now 1pm,  low tonight 50...been in the 70's the last few days.  Have fun Brian!

   :hyst:    I'm not blaming anyone but me....   

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Offline jsachs1

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Re: HD Six Speed Rebuild
« Reply #49 on: January 07, 2018, 03:30:37 PM »
Be sure to heat that case when doing the maindrive bearing assy.
John