Topica Loopframe_Guzzi Archive
 

Subject: Re: Fuel valves, MD Rally

Author: Noel McCormack

Date: Sep 14, 2001, 8:39 AM

Post ID: 1708238205

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<P>Hey Guys-</P>
<P> </P>
<P>When is actual date of the MD rally?</P>
<P>Thanks,</P>
<P> </P>
<P>Noel McCormack</P>
<P>72 Ambo<BR><BR></P></DIV>
<DIV></DIV>
<DIV></DIV>>From: Dennis Jones<DBJO-@COBWEB.NET>
<DIV></DIV>>Reply-To: Loopfram-@topica.com
<DIV></DIV>>To: <A href="mailto:Loopfram-@topica.com">Loopfram-@topica.com</A>
<DIV></DIV>>Subject: Re: Fuel valves, MD Rally
<DIV></DIV>>Date: Thu, 13 Sep 2001 20:00:32 -0400
<DIV></DIV>>
<DIV></DIV>>============================================================
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<DIV></DIV>>
<DIV></DIV>>Charlie,
<DIV></DIV>>That's all fine and good, but I for one am lookin' forward to seeing that
<DIV></DIV>>monoshock LeMans you were talking about. That'll be at Shepherdstown,
<DIV></DIV>>right?
<DIV></DIV>>Dennis Jones
<DIV></DIV>>----- Original Message -----
<DIV></DIV>>From: &quot;Charlie Mullendore&quot;<C.D.MUL-@WORLDNET.ATT.NET>
<DIV></DIV>>To:<LOOPFRAM-@TOPICA.COM>
<DIV></DIV>>Sent: Thursday, September 13, 2001 7:35 PM
<DIV></DIV>>Subject: Fuel valves, MD Rally
<DIV></DIV>>
<DIV></DIV>>
<DIV></DIV>> > ============================================================
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<DIV></DIV>> > history fast and easy. Gain peace of mind and take control
<DIV></DIV>> > of the accuracy of your credit report today!
<DIV></DIV>> >http://click.topica.com/caaacSJb1dfltb2CdEAa/ConsumerInfo
<DIV></DIV>> > ============================================================
<DIV></DIV>> >
<DIV></DIV>> > Hi Ian,
<DIV></DIV>> > There are any number of inline valves made for lawn and garden equipment
<DIV></DIV>>that
<DIV></DIV>> > would work. I've got a couple from Briggs&Stratton that are about $6 each
<DIV></DIV>>and
<DIV></DIV>> > work very well in their original application. Should work just as well in
<DIV></DIV>>a
<DIV></DIV>> > Guzzi fuel line. Too bad the fuel tank outlet isn't 1/8 NPT, there are
<DIV></DIV>>others
<DIV></DIV>> > that would screw right in and even have screens (but no reserve position
<DIV></DIV>>of
<DIV></DIV>> > course).
<DIV></DIV>> >
<DIV></DIV>> > Speaking for myself, I will be attending the MD Rally come hell or high
<DIV></DIV>>water!
<DIV></DIV>> > I'm working late every evening on a customer's Eldo so that he'll be able
<DIV></DIV>>to
<DIV></DIV>> > attend as well. The Nostalgia Run this weekend was great as usual, but the
<DIV></DIV>>only
<DIV></DIV>> > Loops there were mine and Dave's Norine. Loopframe withdrawal will be
<DIV></DIV>>setting in
<DIV></DIV>> > soon if I don't see more than two at once. Hopefully there won't be any
<DIV></DIV>>problems
<DIV></DIV>> > crossing into the US for you. Cheers,
<DIV></DIV>> >
<DIV></DIV>> > Charlie
<DIV></DIV>> >
<DIV></DIV>> >
<DIV></DIV>> >
<DIV></DIV>> > Ian Adkins wrote:
<DIV></DIV>> >
<DIV></DIV>> > > ============================================================
<DIV></DIV>> > > Explore the jungle in your backyard -- FREE! eNature has
<DIV></DIV>> > > bird sounds, Animal Finder, Field Guides, experts, activities
<DIV></DIV>> > > and more for a suburban safari you'll never forget.
<DIV></DIV>> > >http://click.topica.com/caaac38b1dfltb2Luw3a/eNature
<DIV></DIV>> > > ============================================================
<DIV></DIV>> > >
<DIV></DIV>> > > Tom,
<DIV></DIV>> > >
<DIV></DIV>> > > Thanks!
<DIV></DIV>> > >
<DIV></DIV>> > > With all the gasket problems that I have had I look forward to hearing
<DIV></DIV>>what
<DIV></DIV>> > > you learn from using vinyl as a gasket. I personally am ready to ditch
<DIV></DIV>>the
<DIV></DIV>> > > standard petcocks that thread into the tank and get some modern ones
<DIV></DIV>>that
<DIV></DIV>> > > attach onto the fuel line directly.
<DIV></DIV>> > >
<DIV></DIV>> > > I was thinking....in plumbing there are &quot;ball&quot; type shut offs where the
<DIV></DIV>>seal
<DIV></DIV>> > > is made with brass (maybe there is a gasket type material in there?). I
<DIV></DIV>>am
<DIV></DIV>> > > not advocating using a plumbing shut off for the fule line but was
<DIV></DIV>>wondering
<DIV></DIV>> > > whether there were petcocks out there that would be suitable for gas?
<DIV></DIV>> > >
<DIV></DIV>> > > By the way....are we all still planning to go to the Md Rally? I looked
<DIV></DIV>>at a
<DIV></DIV>> > > long long range forecast. Thurs-Sat looks good. I'll cross the fingies
<DIV></DIV>>that
<DIV></DIV>> > > this holds and that it stays nice through the weekend.
<DIV></DIV>> > >
<DIV></DIV>> > > Andy...how's it going on the bike?
<DIV></DIV>> > >
<DIV></DIV>> > > I keep walking by my bike in the garage. Funny but I have to look at it
<DIV></DIV>>each
<DIV></DIV>> > > time I walk by. I can hardly wait to get on her and head south...I just
<DIV></DIV>>hope
<DIV></DIV>> > > you guys let me across the border. In some ways though I doubt the
<DIV></DIV>>border
<DIV></DIV>> > > crossings will as simple as they were in the past. Too bad.
<DIV></DIV>> > >
<DIV></DIV>> > > Thanks again Tom....Ian
<DIV></DIV>> > >
<DIV></DIV>> > > -----Original Message-----
<DIV></DIV>> > > From: Tom Bowes<KK-@HOME.COM>
<DIV></DIV>> > > To: Loopfram-@topica.com<LOOPFRAM-@TOPICA.COM>
<DIV></DIV>> > > Date: September 12, 2001 10:15 PM
<DIV></DIV>> > > Subject: And now for something completely different....
<DIV></DIV>> > >
<DIV></DIV>> > > >
<DIV></DIV>> > > >First of all, congrats to Ian for making the cover of the September
<DIV></DIV>> > > >MGNOC newsletter.
<DIV></DIV>> > > >
<DIV></DIV>> > > >A few thoughts on brake cables and petcock gaskets.
<DIV></DIV>> > > >
<DIV></DIV>> > > >The last time we discussed the petcock gasket problem I thought I had
<DIV></DIV>>it
<DIV></DIV>> > > >beat by using Viton for the gaskets. I am sorry to say that, alas, once
<DIV></DIV>> > > >again my efforts have failed. After about a month with the new Viton
<DIV></DIV>> > > >gaskets I started having fuel starvation problems at speeds over 65 MPH
<DIV></DIV>> > > >or when going up hills. Subsequent inspection of the gaskets reveals
<DIV></DIV>> > > >that they have torn in between the holes for the fuel passages and
<DIV></DIV>> > > >partially blocked the channel in the petcock rotor.
<DIV></DIV>> > > >
<DIV></DIV>> > > >This leads me to think that the problem is one of the mechanical
<DIV></DIV>> > > >strength of the gasket material, rather than the chemical makeup of it.
<DIV></DIV>> > > >Viton is supposed to nearly impervious to fuels and petroleum based
<DIV></DIV>> > > >solvents, and therefore should not have been adversely affected. So,
<DIV></DIV>> > > >&quot;what's the problem?&quot;, I ask rhetorically. My guess is that the large
<DIV></DIV>> > > >amount of spring pressure on the rotor, and the lack of lubricating
<DIV></DIV>> > > >properties in gasoline simply put too much mechanical strain on the
<DIV></DIV>> > > >material and cause it to fail.
<DIV></DIV>> > > >
<DIV></DIV>> > > >I had an original petcock gasket that I had removed, which I took to
<DIV></DIV>>the
<DIV></DIV>> > > >local rubber supplier. The owner looked at it and said that he guessed
<DIV></DIV>> > > >that it was made out of vinyl, and not one of the fancier sort of
<DIV></DIV>> > > >elastomers. I asked him if they had any, and he graciously provided me
<DIV></DIV>> > > >with a sample. At present I am experimenting with a viton gasket,
<DIV></DIV>> > > >lubricated with silicone grease, in the left petcock, and a vinyl
<DIV></DIV>> > > >gasket, also lubricated with silicone grease, in the right petcock. So
<DIV></DIV>> > > >far the vinyl gasket seems to be doing the trick, but I have as yet to
<DIV></DIV>> > > >get the bike up to freeway speeds to really try it out. Stay tuned,
<DIV></DIV>>more
<DIV></DIV>> > > >info to follow.
<DIV></DIV>> > > >
<DIV></DIV>> > > >Brake cables.......I had installed a front brake cable (aftermarket) on
<DIV></DIV>> > > >the bike when I had originally rebuilt it. Gary Cheek took it for a
<DIV></DIV>>ride
<DIV></DIV>> > > >and commented on how much firmer the feel was on the brakes for his
<DIV></DIV>> > > >Eldo. After some comparison he figured out that the original brake
<DIV></DIV>> > > >cables have a larger core wire, larger jacket, and a different rate of
<DIV></DIV>> > > >twist to the core wire than do the aftermarket replacements. The net
<DIV></DIV>> > > >result is that the aftermarket cable appears to be made from the same
<DIV></DIV>> > > >stuff as the original clutch cable. The core wire is thinner and has a
<DIV></DIV>> > > >higher rate of twist, thus making it far more stretchy than the
<DIV></DIV>>original
<DIV></DIV>> > > >cable. I found an original cable and swapped it for aftermarket one.
<DIV></DIV>> > > >What a difference! Previously, I could pull the brake lever all the way
<DIV></DIV>> > > >to the grip with no sensation of the pressure increasing once I reached
<DIV></DIV>> > > >a certain point. This means that the cable was stretching. With the new
<DIV></DIV>> > > >cable, the pressure increases linearily with increased pulling force
<DIV></DIV>>and
<DIV></DIV>> > > >will not allow the lever to reach the grip. For some of you who are
<DIV></DIV>> > > >struggling with anemic front brakes this may be a contributing factor.
<DIV></DIV>> > > >
<DIV></DIV>> > > >Tom
<DIV></DIV>> > > >
<DIV></DIV>> > > >
<DIV></DIV>> > >
<DIV></DIV>> > > ============================================================
<DIV></DIV>> > > Explore the jungle in your backyard -- FREE! eNature has
<DIV></DIV>> > > bird sounds, Animal Finder, Field Guides, experts, activities
<DIV></DIV>> > > and more for a suburban safari you'll never forget.
<DIV></DIV>> > >http://click.topica.com/caaac1Ub1dfltb2Luw3f/eNature
<DIV></DIV>> > > ============================================================
<DIV></DIV>> > >
<DIV></DIV>> >
<DIV></DIV>> > ============================================================
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