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Search: Posts Made By: Alan Sputhe
Forum: The Board 02-15-2016, 02:05 PM
Replies: 7
Views: 1,323
Posted By Alan Sputhe
Re: MikeParti

Rest in peace Mike. You were a great man and it was an honor to be your friend.
Forum: The Board 07-15-2015, 04:32 PM
Replies: 46
Views: 4,891
Posted By Alan Sputhe
Re: Read Evo manifesto. Testing the water.

With a Sputhe PosiTrac an FXD will handle better than an FXR. I guarantee it or your money back.

Alan Sputhe
Forum: The Board 12-21-2014, 05:16 PM
Replies: 17
Views: 16,491
Posted By Alan Sputhe
Re: All Harley 9 Spoke Mags Created Equal?

The early 77 XLCR has a 7 spoke 18" Morris rear wheel. This wheel has removable bearing carriers so it can be adapted to any sprocket/brake disk offset and any size axle bearings. Late 77 and all...
Forum: The Board 03-29-2014, 11:48 PM
Replies: 12
Views: 2,366
Posted By Alan Sputhe
Re: INCREDIBLE COLLECTION of Vintage Bikes - Evel Knievel's Rival and Flat Track Race

It's a sad that the collection is being broken up. I will be especally sorry to see the Indian Scout go. I made parts for it and tuned it ever since he got it seven years ago. A number of the rare...
Forum: The Board 02-07-2014, 09:44 PM
Replies: 40
Views: 5,508
Posted By Alan Sputhe
Re: New Build "The Obscure" Shoel

Yea! Take it apart so we can see what's in there.
Forum: The Board 08-19-2013, 01:47 AM
Replies: 14
Views: 2,233
Posted By Alan Sputhe
Re: Help me ID the brake drum on my Ironhead wheel.

It's both a Triumph and Harley brake drum. The early K models used Triumph brake drums. This was the first totally new bike since the 1936 knucklehead (except for the XA.) Some things had to be...
Forum: The Board 07-04-2013, 01:30 PM
Replies: 25
Views: 4,772
Posted By Alan Sputhe
Re: American Big Block by cal products??

That engine was made more than 30 years ago by Larry Mac Eachern of "Rocket Fuel" fame. www.cal-products.com (http://www.cal-products.com)
Forum: The Board 05-27-2013, 10:17 PM
Replies: 19
Views: 5,480
Posted By Alan Sputhe
Re: Question about connecting rod polishing

It sure looks like a crack to me. I wouldn't run it unless it passed Zyglo inspection. And then I would polish any nicks out. (A nick is the beginning of a crack and a crack is the beginning of a...
Forum: The Board 05-17-2013, 10:46 PM
Replies: 68
Views: 8,228
Posted By Alan Sputhe
Re: n00b to the LSR scene... advice?

You're trying to think of Steve Huff who rides the Destination H-D Buell XB-RR and a V-Rod Distroyer. Now that I'm too old to ride I serve as there crew chief and chaperon.

Other essentials:
...
Forum: The Board 04-14-2013, 10:57 PM
Replies: 42
Views: 17,617
Posted By Alan Sputhe
Re: Sputhe Dual Carb Aluminum Heads Cylinders Info

Lobe seperation is the angle between the lobe centers. For any given intake and exhaust lobes the greater the seperation angle the less valve overlap.

The excessively short siamese intake...
Forum: The Board 04-10-2013, 11:17 PM
Replies: 42
Views: 17,617
Posted By Alan Sputhe
Re: Sputhe Dual Carb Aluminum Heads Cylinders Info

Cheater cams: The AMA used to have a "spec" road race and a "spec" dirt track class fo 883 Evo Sportsters. The engine had to look stock on the outside. You could not do anything to the heads or...
Forum: The Board 04-10-2013, 07:34 PM
Replies: 42
Views: 17,617
Posted By Alan Sputhe
Re: Sputhe Dual Carb Aluminum Heads Cylinders Info

Skeeter it's been too long. That was a real nice motorcycle. Post some photos.
Forum: The Board 04-10-2013, 02:52 PM
Replies: 28
Views: 13,017
Posted By Alan Sputhe
Re: Bonneville Stories Part IV - 1953 Twin Engine Harley Knucklehead Dragster

My favorite Bonniville Harley doubles:
The Jammer streamliner. Dave Compos. S-PF 3000, 322.149 mph. 1990
Double Shovel. Dave Compos. APS-F 231.597 mph. 1974 (photo)
Freight Train. Joe Smith....
Forum: The Board 04-10-2013, 02:04 PM
Replies: 42
Views: 17,617
Posted By Alan Sputhe
Re: Sputhe Dual Carb Aluminum Heads Cylinders Info

From one pattern maker to another Thanks Lyle. Years ago I made some heads for Avco and for Teledyne that had no draft and much closer fin spacing but that's another topic for another time.

Back...
Forum: The Board 04-10-2013, 02:50 AM
Replies: 42
Views: 17,617
Posted By Alan Sputhe
Re: Sputhe Dual Carb Aluminum Heads Cylinders Info

Thanks Chad. You spent some real time researching that post. There is enough in your post to write a book.

Graphing your cams is the smartest thing that you can do. Especially on an iron head....
Forum: The Board 04-07-2013, 02:45 AM
Replies: 37
Views: 8,842
Posted By Alan Sputhe
Re: Sportster Racer Build...

Indian and Vincent did it that way. If you run a chain it's easy. Machine the center row of teeth off the clutch basket and put a sprocket on the generator. The Laverda generator turns at crank...
Forum: The Board 04-07-2013, 12:01 AM
Replies: 37
Views: 8,842
Posted By Alan Sputhe
Re: Sportster Racer Build...

Take a look at the Bosch generator on a Laverda twin. It's v-belt driven and mounts with cool looking pillow blocks. Face and tap the top of the tranmission case and it would sit where the pre1981...
Forum: The Board 04-06-2013, 02:23 PM
Replies: 20
Views: 3,210
Posted By Alan Sputhe
Re: 640 Scout

I am making the Dog Leg frame lugs. Ziggy will start selling complete frames in June. I make Sport Scout racing parts and I have a lot of used OEM parts.
Forum: The Board 04-05-2013, 11:14 PM
Replies: 37
Views: 8,842
Posted By Alan Sputhe
Re: Sportster Racer Build...

The 86-90 type clutch can't be used with a kickstarter.

If you go with your vertical mag you could cut off the generator ear off and mount the generator behind the rear cylinder like the mag on...
Forum: The Board 04-05-2013, 03:27 AM
Replies: 37
Views: 8,842
Posted By Alan Sputhe
Re: Sportster Racer Build...

Rebuilder, you have a very interesting project. I will enjoy watching it progress.
I can't wait to see how you do the exposed valve train.

The early cam cover will fit a late style crankcase. ...
Forum: The Board 04-03-2013, 09:00 PM
Replies: 44
Views: 3,935
Posted By Alan Sputhe
Re: School me on 68 sporsters

I don't see any photos. but there are three types of heads and cylinders.
Pre 1972 are 3" bore, 900cc. 1972 only are 3.187" bore, 1000cc but have a tighter head bolt pattern and shorter head bolts...
Forum: The Board 04-03-2013, 03:50 PM
Replies: 20
Views: 3,634
Posted By Alan Sputhe
Re: XLCR kick start

So the engine was nicely broken in when the customer got it.
Forum: The Board 03-31-2013, 08:19 PM
Replies: 20
Views: 3,634
Posted By Alan Sputhe
Re: XLCR kick start

No XLCR came from the factory with a kicker installed. However the 1977 to 1980 mini-sump case will accept a kick starter. 1981 and later will not.
Forum: The Board 03-30-2013, 09:04 PM
Replies: 29
Views: 14,558
Posted By Alan Sputhe
Re: Robison Thunderheads

H-D solved the head height problem on the XR1000 and Evo XL by making the piston, connecting rod and cylinder shorter.
Forum: The Board 03-30-2013, 07:20 PM
Replies: 29
Views: 14,558
Posted By Alan Sputhe
Re: Robison Thunderheads

As Smack48 said a stock Iron XL1000 made 46 hp. The Thunderheads made 70 hp with an open exhaust and a Dellorto carb. It was also ported by C R Axtell and had 10.5/1 compression. A set of Branch Iron...
Showing results 1 to 25 of 26

 
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