Topica Loopframe_Guzzi Archive


Subject: RE: Question for Rich Zink/Polishing Question

Author: Chuck Sherman

Date: Feb 2, 2005, 1:28 PM

Post ID: 1718322448



Guys -

I've restored quite a few cars and bikes in my day. The BEST polishing
stuff I've EVER used is Wenol. There is a chemical in the polishing
compound which breaks down oxidization as it polishes; it works
amazingly well. Stuff runs about 12 bucks a tube; it's available on a
wenol website and on ebay. Well worth it.

I've used Wenol with 4 aught (0000) steel wool and have achieved the
'chrome look' on good alloy bits. If they're rough - you're gonna have
to wet-sand them smooth first.

The finish is dependent on the quality of the alloy to start with. Some
aluminum alloys do not polish well; this is dependent on the metal - not
the condition of the surface. Only elbow grease will reveal this, but
the darker the oxidization on the piece, the lower the final polish
quality - in my experience.

Zink, Rich, ITD wrote:
 
Actually I'm the second owner of my '71 Ambo. The PO claims to have had
the
valve and timing belt covers chromed before he took delivery. So I would
say
for 30 year old chrome it's holding up pretty well. No discoloration,
but
there are a few pits here and there. But they fit the 'patina' of the
rest
of the bike. If I had to do it again I would just polish them. Just Wet
sand the covers down to at least 600 (starting at 220 or so) grit paper
using lots of water. You really need a motor, as in a bench grinder,
instead
of the drill. And 2 buffs, one for red and one for white compounds. Go
to
eastwood.com for lots of buffing stuff. If you're cheap, they have the
oxidation removed and just want a trick to get them to pretty nice. My
best
trick is 0000 (or finer) steel wool and the Mother's cream you have.
Just
polish them with that and buff with a clean cloth when done. I even use
the
steel wool to clean after at times. I keep my rims shiny this way. Works
good on pitted chrome also but go gentle.

Rich


-----Original Message-----
From: Keith Ruff [mailto:klru-@comcast.net]
Sent: Wednesday, February 02, 2005 12:14 PM
To: Loopfram-@topica.com
Subject: Question for Rich Zink/Polishing Question

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Hey Rich,

How are those chrome valve covers holding up? I am on the fence with
buying a set of those and a set of chrome intake manifolds but wasn't
sure if they would discolor like the exhaust header pipes.

All,

What is the best way to polish the valve covers/gen belt cover? I have
been using some expensive "Mothers" cream stuff with a buffing wheel
that attaches to my drill - works ok but doen't get the aluminum shining

like "chrome".

Keith Ruff
70 Cafe Racer Ambo
Manahawkin, NJ

Zink, Rich, ITD wrote:
 
In regards to valve covers, you can bead blast them, polish them, paint
them, or even chrome them as the PO of my Ambo did. You will find most
of us
appreciate little personal touches and details along with an enthusiasm
for
riding to be paramount. Lots of different mufflers are used primarily
determined by what's available cheaply ;-). Paint is also an open
territory.
Just have fun and do what makes you happy, Carbon fiber may be a no-no
but
I'm not sure ;-).
Rich

-----Original Message-----
From: Chuck Sherman [mailto:chucks-@aol.com]
Sent: Tuesday, February 01, 2005 2:10 PM
To: Loopfram-@topica.com
Subject: New Eldo owner!
Question:

I know (as a result of much research) that '72 Eldos did not have
polished valvecovers. I like the 'look' of the polished Ambo covers -
with the Guzzisti look down on me if I polish my covers?

I'm askin' on account of the Beemer crowd disowned me when I put JC
Whitney muffs on my R75/5 and then (gasp!) drilled them out so that they


sounded like a proper bike. C'mon - it's not a trailer queen, its a
rider!

Don't want to offend anyone on the first post - that's for Post #3.

Until then,

Chuck.

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