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Thread: Have oil and air ever mixed in a hot rod?

  1. #1
    Still Wondering mika's Avatar
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    Have oil and air ever mixed in a hot rod?

    The great airhead hotrod thread reminded me of people putting the R100 engine in earlier frames. Most were going to be used in hack rigs. I was gone from the club at the introduction of the oilhead. Did people ever hotrod an airhead frame with an oilhead engine?

    Just wondering.

  2. #2
    BUBBAZANETTI
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    i've looked and looked and never found one online or elsewhere, but i always liked the idea, although i think it would only reveal the performance limitations of the airhead frame/front forks more, maybe upgrade to ohlins and a paralever from a gs airhead and you'd have something pretty sweet...........

  3. #3
    Registered User kbasa's Avatar
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    I think the oilhead motor is too tall.
    Dave Swider
    Marin County, CA

    Some bikes. Some with motors, some without.

  4. #4
    Registered User lkchris's Avatar
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    Quote Originally Posted by BubbaZanetti
    i think it would only reveal the performance limitations of the airhead frame/front forks more ...

    That's further reveal, of course!

    OTOH, I find these 'limitations" fun and interesting. My one and only long Oilhead ride seemed pretty boring.
    Kent Christensen
    21482
    '12 R1200RT, '02 R1100S

  5. #5
    VANZEN
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    oddly

    just saw a pic....somewhere... of that very thing.
    an oilhead engine in an airhead frame.
    if I can locate it (remember where), I'll post it.

    my thought at seeing this bike was: WHY?
    why swap an engine from a superior design chassis
    into an antiquated one based on 1950s NORTON FEATHERBED tech?

    seemed like a big step backwards when that old school stock frame gets all wiggly with not much more power than the stock airhead1000 has to offer.

    but then I'm one to ponder about the possibilities of an airhead engine/trans
    grafted into a K75 frame... so go figure.

  6. #6
    Stressed Member jmerlino's Avatar
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    Quote Originally Posted by vanzen
    my thought at seeing this bike was: WHY?
    why swap an engine from a superior design chassis
    into an antiquated one based on 1950s NORTON FEATHERBED tech?
    Hey, sometimes you gotta do stuff just to see what will happen.
    --Joe Merlino - Modified '82 R100RT

  7. #7
    VANZEN
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    why?

    OK. I can understand, no, I can ACCEPT that.

    seems the bike was built for some "lightweight racing class" in Europe.

    can't place WHERE I saw it though....

  8. #8
    Still Wondering mika's Avatar
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    I asked the quesiton out of curiosity.

    As stated before the hotrod airhead thread was great and reminded me of years ago spending many days doing engine swaps in just about anything that moved. Some made ǣsense some we did just because.

    Then I remembered an article, I dont recall if it was in ON or some other magazine, about guys that were putting R100 engines in earlier BMW frames for use in sidecar rigs. The why there was more power and or replace a worn engine with a new one.

    The idea of putting an oilhead in an airhead frame may make no great sense but that rarely stops the shade tree wrencher. When I posed the question I thought I might see a hack or GS that had been done over with the oilhead.

    Just wondering, that is all.

  9. #9
    VANZEN
    Guest

    found it:


  10. #10
    VANZEN
    Guest

    another:


  11. #11
    VANZEN
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    last one:


  12. #12
    VANZEN
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    my thought

    check out this one, and imagine, if you will, a LuftKopf engine instead of the oilhead that was used...K frame as a stable platform / chassis... simple, reliable air-head engine... just my thought.


  13. #13
    Still Wondering mika's Avatar
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    Thanks! It gives food for thought. In respect for the airhead section of the forum I will move any followup wondering to the Oilhead section. Thanks again.

  14. #14
    Just passin through wanderer's Avatar
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    Wow

    What magnificent machines

  15. #15
    VANZEN
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    sorry

    Didn't intend to inundate this thread with oilheads...
    So as reparation, here's an airhead to ponder. Nico-Bakker's "Kangaroo":


    Personally, I really dig the air-cooled engine.Best BMW engine made.
    But it's frame tech IS (a little) outdated.
    therefor my response to the oilhead engine in an air-head frame.
    Just to show that it HAS been done!
    To my thinking, they got it backwards, but to each his own, and everything under the sun. right?

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