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Latest Idiotic Purchase

  1. #1
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    Latest Idiotic Purchase

    Bought this at auction over the weekend...don't know much about it, but I'm pretty pumped
    '71 CB750 drag bike
    supercharger
    RC cylinders (assumed to be 1000cc)
    fuel injected
    tons of wacky homemade shit
    last registered for street use in 2012

    My thought was to get it running and ride it a bit as is, and then either chop that frame or stuff it into a chopped/raked frame with a big ole front end. I'm now reading about it and it seems like it might have been a Russ Collins bike, which kind of makes me want to leave it alone. We'll see...they always sort of speak to you.

    Latest Idiotic Purchase-342392492_924788745437349_8186303788672103488_n-jpgLatest Idiotic Purchase-342459208_100826099678519_1656129556255188325_n-jpgLatest Idiotic Purchase-342373529_1657382854726510_6078515925859429023_n-jpgLatest Idiotic Purchase-342484649_897923647956793_4731289151874317841_n-jpg

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  2. #2
    Don't run with the pack. whynot's Avatar
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    Re: Latest Idiotic Purchase

    Fab.

    Might could find out some info by posting on this FB page:

    Vintage Drag Bikes Of Days Gone By

    You might find good reasons to fix up and leave it alone.

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    Last edited by whynot; 05-01-23 at 09:32 AM.
    And don't believe everything you think.

  3. #3
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    Re: Latest Idiotic Purchase

    Quote Originally Posted by whynot View Post
    Fab.

    Might could find out some info by posting on this FB page:

    Vintage Drag Bikes Of Days Gone By

    You might find good reasons to fix up and leave it alone.
    Thanks! I'll check them out. I posted it in a CB750 group and got a lot of responses from people who can't read

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  4. #4
    Kosher Assassin Stoneman's Avatar
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    Re: Latest Idiotic Purchase

    Quote Originally Posted by nick5446 View Post
    Thanks! I'll check them out. I posted it in a CB750 group and got a lot of responses from people who can't read
    Kinda like NESR!

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  5. #5
    Lifer 01xj's Avatar
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    Re: Latest Idiotic Purchase

    A supercharger and drum brakes on a 40 year old bike. That should be good for a few pucker moments.

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  6. #6
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    Re: Latest Idiotic Purchase

    Quote Originally Posted by 01xj View Post
    A supercharger and drum brakes on a 40 year old bike. That should be good for a few pucker moments.
    Ahem....50 year old bike

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  7. #7

    Re: Latest Idiotic Purchase

    I like the way you think

    epping still open?

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  8. #8
    Mophead going grey dontpanic's Avatar
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    Re: Latest Idiotic Purchase

    Quote Originally Posted by Stoneman View Post
    Kinda like NESR!
    Now who could he be referring to?

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    Go fast. Have fun. Repeat.

  9. #9
    lost in space zombie's Avatar
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    Re: Latest Idiotic Purchase

    Hey Nick,
    thats a russ collins bike, I was bidding on it as well.
    The value in that bike is keeping as is and trying to get it running.
    It's a rare one and only going up in value.
    If ya got that running ya may be suprised what that would
    bring at mecum in vegas

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    eat me

  10. #10
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    Re: Latest Idiotic Purchase

    Quote Originally Posted by zombie View Post
    Hey Nick,
    thats a russ collins bike, I was bidding on it as well.
    The value in that bike is keeping as is and trying to get it running.
    It's a rare one and only going up in value.
    If ya got that running ya may be suprised what that would
    bring at mecum in vegas
    Yeah I’m learning that. It’s cool for sure. I was talking to Russ’ son about it, and have a call out to the previous owner.

    It was just about the top I was willing to spend on it, but I’m glad I got it.

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  11. #11
    lost in space zombie's Avatar
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    Re: Latest Idiotic Purchase

    Quote Originally Posted by nick5446 View Post
    Yeah I’m learning that. It’s cool for sure. I was talking to Russ’ son about it, and have a call out to the previous owner.

    It was just about the top I was willing to spend on it, but I’m glad I got it.
    Yeah for sure, it was spendy but it's very unique and I think you will do well on it it if ya ever decide to sell.
    it is a 71 cb750 and they are getting hard to find and becoming very expensive.
    Gimme a shout when ya get it running and I'll come check it out.

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    eat me

  12. #12
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    Re: Latest Idiotic Purchase

    Quote Originally Posted by zombie View Post
    Yeah for sure, it was spendy but it's very unique and I think you will do well on it it if ya ever decide to sell.
    it is a 71 cb750 and they are getting hard to find and becoming very expensive.
    Gimme a shout when ya get it running and I'll come check it out.
    Yeah will do. I don't think it'll take a whole lot to get it going, but the gas tank does appear to be getting soft on the bottom. Do you have any idea what it runs on? I'm assuming race gas of some sort, but since it was a street bike I was thinking maybe high octane pump gas was fine. Then someone mentioned alcohol which scared me.

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  13. #13
    lost in space zombie's Avatar
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    Re: Latest Idiotic Purchase

    Doubt very much its alcohol,
    Put avgas in it and you should be fine.
    Go to a small airport and grab 5 gls
    I put it in all my bikes and their good to go

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    eat me

  14. #14
    Lifer Kurlon's Avatar
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    Re: Latest Idiotic Purchase

    I'd ship the tank to http://gastanklining.com/ and have them treat it. They'll be able to get the rust out, stabilize the metal and line it and likely not disturb the paint unless the rot goes through to the surface, even then it'll just be minor pinholes. Expensive, but they do damn good work.

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  15. #15
    Backwoods lobster boy number9's Avatar
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    Re: Latest Idiotic Purchase

    Quote Originally Posted by Kurlon View Post
    I'd ship the tank to http://gastanklining.com/ and have them treat it. They'll be able to get the rust out, stabilize the metal and line it and likely not disturb the paint unless the rot goes through to the surface, even then it'll just be minor pinholes. Expensive, but they do damn good work.
    "Most tanks are $599".. man, for the Passport I could get a couple of new tanks for that price

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  16. #16
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    Re: Latest Idiotic Purchase

    Quote Originally Posted by Kurlon View Post
    I'd ship the tank to http://gastanklining.com/ and have them treat it. They'll be able to get the rust out, stabilize the metal and line it and likely not disturb the paint unless the rot goes through to the surface, even then it'll just be minor pinholes. Expensive, but they do damn good work.
    I've looked at those guys before but never used them. I've cleaned and lined a bunch of tanks myself...unless this one is terrible that's probably what I'll do.

    Thanks for the reminder though...I have a set of tanks for my '46 Indian that I don't want to repair myself.

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  17. #17
    Lifer Kurlon's Avatar
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    Re: Latest Idiotic Purchase

    Quote Originally Posted by number9 View Post
    "Most tanks are $599".. man, for the Passport I could get a couple of new tanks for that price
    Oh, yeah, when new tanks are available, not worth it. But when they're not... and you're hoping to save the original paint...

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  18. #18
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    Re: Latest Idiotic Purchase

    A few developments on getting this hog running...
    - I found the phone number for the guy whose name is on the title. He said he sold it a few years ago. He was an older guy and didn't seem particularly interested in telling me about the bike, and he didn't seem to remember a ton. He said he put the bike together but the motor was built by Russ Collins. It used to be a turbo. He didn't remember displacement or what else was done to the motor. He ran it on 93 octane and claimed to have put a ton of street miles on it. He figured he was into it for $20-30k.
    - The tank is in better shape than I thought. There's a weird spot on the clear coat at the bottom, but it's solid and clean inside.
    - The frame was cut in half and bolted back together to get all this shit to fit
    - It cranks over pretty good, but I can't get spark out of it. I'm thinking there's a hidden kill switch or some order of operations I haven't figured out yet.
    - It's got a wrinkle tank. These weren't exclusive to Sandcast/K0 bikes, but they're pretty valuable, so that's cool
    Attached Thumbnails Attached Thumbnails Latest Idiotic Purchase-img_0835-jpg   Latest Idiotic Purchase-img_0834-jpg   Latest Idiotic Purchase-img_0833-jpg  

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  19. #19
    Lifer Kurlon's Avatar
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    Re: Latest Idiotic Purchase

    Is it still points ignition? Might need to clean and regap them?

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  20. #20
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    Re: Latest Idiotic Purchase

    Quote Originally Posted by Kurlon View Post
    Is it still points ignition? Might need to clean and regap them?
    Good question...I assume not based on the build, but if it had points they'd be behind that supercharger pulley. I can't imagine someone burying points like that. That said, I also haven't found a CDI box yet.

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