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  1. Replies
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    In theory the Integral bags fit, but in practice,...

    In theory the Integral bags fit, but in practice, I'm not so sure. I've got an 85 R80 and I put the Integral bags/mounts on it. But the bags are really, really close to the top rear of the megaphone...
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    Yeah, my 85 R80's font brakes tend to squeak a...

    Yeah, my 85 R80's font brakes tend to squeak a bit. Long as it stops fine, I just let'm squeak.

    Rob
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    Yup, I owned a 69 BSA Rocket III up until a...

    Yup, I owned a 69 BSA Rocket III up until a couple of years ago. Great sounding engine, lots of power (for the era, anyway) and it looked pretty nice as well.

    Downside was that the seat was hard...
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    That's one of the advantages of a dual sparked...

    That's one of the advantages of a dual sparked head; you can usually run a lower grade of gasoline with such a head.

    Rob
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    I'm not much of an engineer, but I'm not sure...

    I'm not much of an engineer, but I'm not sure that higher octane gas burns any hotter. I think that's an urban myth, to be honest. In any case, if a vehicle can't make optimum use of the higher...
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    I own a small plane and I keep it at a small...

    I own a small plane and I keep it at a small airport near my house, so I'm around the airport a fair amount.

    Both of the gas pumps can be driven up to (it's certainly not the case at the larger...
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    A conservative estimate (it has to be since the...

    A conservative estimate (it has to be since the other factor, head design isn't included) would be something like this:

    Octane
    (R+M)/2 C.R.
    85 7.3:1
    87 7.6:1
    89 ...
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    Generally, engines with compression ratios of 9.3...

    Generally, engines with compression ratios of 9.3 : 1 or less will safely operate with unleaded 87 octane fuel. But "safely" doesn't necessarily mean "well". I get a lot of spark knock running less...
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    You can have them, but you're not supposed to use...

    You can have them, but you're not supposed to use them:bliss
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    There's a great day trip ride to the southwest of...

    There's a great day trip ride to the southwest of the Dallas/Fort Worth Metroplex. Nice country back roads (once you get out of the metroplex, anyway). It's a loop of 95 miles to which you have to...
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    Keeping fingers crossed... No, no major repair...

    Keeping fingers crossed...

    No, no major repair work at all. Just the usual maintenance tasks.

    To be honest, I thought a 75K airhead would be considered "low mileage" :D
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    I've got an 85 R80 with 75K miles on it and it...

    I've got an 85 R80 with 75K miles on it and it just works; no hassles at all.
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    794,772

    Sticky: True; I should have resized it. To hurried, I...

    True; I should have resized it. To hurried, I guess.

    Really was more of an example than anything else. Kind of a poor picture :)

    Rob
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    2,711
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    794,772

    Sticky: Usually, when you have the file open in something...

    Usually, when you have the file open in something like Microsoft Photo Editor you can do a File...Save As. Then choose a format that has compression (jpeg would be a good choice). If you choose jpeg,...
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    Try here:...

    Try here: http://mdmetric.com/tech/tech4/torqcalc3.htm

    Rob
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