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Alloy vs Chrome Steel

cknight
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Location: Daytona Beach, FL

Post by cknight » Wed Mar 11, 2015 7:39 am

Hi Steverino, yes, the nipples should directly line up with the appropriate spokes. If you have 160 drilled rims the nipples will be angled more toward the axle. On a proper CB72/77 rim they will be more inclined to the rim, aiming them away from the axle. You can sometimes eyeball the margin on the dimple between the hole and the adjacent rim surface. The CB will be thinner than the 160. If you have a stock CB77 rim and a CB160 rim to compare, you can get a better idea of what to look for. Chase

cknight
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Posts: 427
Joined: Wed Apr 05, 2006 3:55 pm
Location: Daytona Beach, FL

Post by cknight » Wed Mar 11, 2015 9:44 am

Just found some figures from a couple of years ago. The spoke angle is basically measured between two lines. One line drawn from the center of the wheel to the point where the spoke nipple intersects with the rim. The other line is drawn through that spoke. A CB160 spoke angle is 22 degrees, the CB72/77 is 41 degrees. Substantial difference. Regards, Chase

Steverino
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Post by Steverino » Thu Mar 12, 2015 10:52 am

Thanks Chase
Armed with this knowledge I now know how to ask the right questions and the Tai suppliers are coming up with the wrong answers. I am checking into having my originals rechromed. Members of the forum are saving me from headaches and ripoffs.

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G-Man
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Post by G-Man » Thu Mar 12, 2015 11:38 am

Steve

These rims cost me the equivalent of $115 each to do. They are sympathetic to preserving those DID logos.


Image

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G
'60 C77 '60 C72 '62 C72 Dream '63 CL72
'61 CB72 '64 CB77 '65 CB160
'66 Matchless 350 '67 CL77
'67 S90 '77 CB400F

OldScrambler
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Location: Wisconsin, USA

Post by OldScrambler » Thu Mar 12, 2015 12:15 pm

Good advice on the rims.......Good re-chrome may cost as much as new alloy from Buchannon.

G-Man.........NICE SHINE.............You probably know this...........I always use a set of old 'take-off' pipes to tune a new build............sometimes for several hundred miles. The new $$$ goes on when its SHOW TIME.

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G-Man
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Post by G-Man » Thu Mar 12, 2015 1:39 pm

OldScrambler

Good idea! I was wondering what would happen, and what I might do about it.... :-)

Every day is a School day!

G
'60 C77 '60 C72 '62 C72 Dream '63 CL72
'61 CB72 '64 CB77 '65 CB160
'66 Matchless 350 '67 CL77
'67 S90 '77 CB400F

Tim Miller
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Location: Pflugerville, TX

Saving chrome pipes.

Post by Tim Miller » Thu Mar 12, 2015 2:47 pm

Upon initial startups on test stand with old pipes I get the timing dialed in and let rings brake in. Then I ceramic coat interior of replated pipes for final assembly this is good for zero discoloration.

Tim

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