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New smallblock motor?

Discussion in 'V7/V85/V9 Chat & Tech' started by Holt, Nov 4, 2011.

  1. Holt

    Holt High Miler GT Contributor

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    [​IMG]

    Lessee monday at the EICMA-opening.
    Guzzi seems to promise a 10% increase in power an torque.
     
  2. GT-Rx®

    GT-Rx® Administrator Staff Member GT di Razza Pura

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    Certainly not a new motor, but I'll be curious to hear what modifications have been done. 10% shouldn't be too tough @50hp. :pinch:
     
  3. oldmanjob

    oldmanjob Cruisin' Guzzisti

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    I like the all black look, and especially the steel fuel tank. As for power increase I am happy with my current V7C. If it doesn't raise the price much more that the current V7, than a 10% increase will be a bonus.

    Bill
     
  4. sandy

    sandy Cruisin' Guzzisti

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    Love the wheels :)
     
  5. sign216

    sign216 High Miler

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    The round cylinders are nice too, but don't care for the new valve covers.

    10% more power? I hope they aren't losing the low-rpm torque the 750 Heron-headed engine is famous for.
     
  6. Holt

    Holt High Miler GT Contributor

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    Oh, well, right. Block does seem the same.
    Heads are certainly different; hidden and moved spark plugs for a beginning, indicating a different valve arrangement.
    Maybe a goodbye to the Heron heads? Cannot think they're changing the design for its own sake.
    Lowered emmisions, too.

    http://www.piaggiogroup.com/en/archive/ ... o-guzzi-v7 :

    also:

    http://www.motoguzzi.it/#/motoguzzi/IT/ ... omo/news41

    Still no oil-cooler. Bit disappointing.
     
  7. AnthonyMartello

    AnthonyMartello Just got it firing!

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    Hi...

    It looks great. It's good to see that the grasshopper can look just as good with steel wheels. I noticed that many builders seem to go for (costly) wires nowadays. I also noticed that the front dampers are mounted differently. Is this because of the extended front arms that are used with the Guzzi conversion?

    thanks,
    Anthony
     
  8. sandy

    sandy Cruisin' Guzzisti

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  9. Holt

    Holt High Miler GT Contributor

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    ANY Guzzi is a limited edition. :evil: :mrgreen:
     
  10. Paxo

    Paxo Cruisin' Guzzisti

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    Can anyone tell me what they mean by a single feed motor?
     
  11. guzzipete

    guzzipete Tuned and Synch'ed

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    Guessing that it has only one throttle body.

    If that is correct, it should make an already simple to maintain engine even simpler.
     
  12. pete roper

    pete roper GT Godfather!

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    My guess is that it'll be using a version of the sigle TB set-up they are planning on using with the 'Nuovo California'. If we're really lucky it might even get RBW! Just Guessin' but I'll wager that there are 4 valves per cylinder lurking beneath those new covers as well. Truly a 'Modernization' of the SB platform. I wonder if someone can whack the designers around the head with some pictures of the Ippogriffo.......

    Pete
     
  13. Brian UK

    Brian UK GT Reference

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    A change to those heads would be a step forward.
     
  14. andyb

    andyb Cruisin' Guzzisti

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    Lets hope it is available in UK.

    Who is the UK inporter nowadays? I spoke with Twiggers in Loughborough about this bike and they were not sure if it woud come to England. They said to have a look at the NEC Show in a few weeks time.

    Anybody know any details on price etc?

    AndyB
     
  15. Mi_ka

    Mi_ka High Miler

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    I always thought that the heron heads had many similarities to diesel design. Maybe the next step, the :unsure: V7di?
     
  16. Paxo

    Paxo Cruisin' Guzzisti

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    Moto Morini used heron heads on the 350 and 500 v twins to make some very rapid motorcycles, and I seem to remember a car manufacturer also used heron heads. I may be wrong about but I think it was British Rover cars on their 3.5 v eight, but then this started life as a small block Chevy engine so it could have been the Yanks?
     
  17. rocker59

    rocker59 Cruisin' Guzzisti

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    Rover's engine started out as Buick's aluminum 215 V8. It was a trick engine for early 1960s. Introduced in 1961 in the Buick Special, Olds F-85, and Pontiac Tempest. It did not have Heron Heads.

    Other noted manufacturers who used Heron Heads include Volvo and Jaguar.

    Key word being "used". Heron is old-tech. The sooner Guzzi ditches the Heron Heads, the better...
     
  18. sandy

    sandy Cruisin' Guzzisti

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    Surely you could say the same thing about the Guzzi engine.
    Isn't the air cooled twin in general a bit "old tech" and "used"
    Maybe it's about time Guzzi ditched it ?
    :blink:
     
  19. sign216

    sign216 High Miler

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    Heron heads are good. They accentuate low-mid rpm torque, which is what real world riders use. If you need a bike that does high rpm at the red line, then the Guzzi 750 twin isn't your bike.

    The Guzzi 750 isn't a Ducati, nor is it a BMW. It's rugged, reliable, and easy to service. It's doesn't need a factory technician with expensive factory tools.

    Love the bike for what it is.
     
  20. rocker59

    rocker59 Cruisin' Guzzisti

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    Stinky bait, my friend...

    Heron heads are ancient and don't flow well compared to other, newer designs.

    There aren't many side-valvers around anymore, either...

    As to air vs liquid cooling, that's like arguing oil or which way to put toilet paper on its roll...

    But, more air-cooled street bikes are sold each year than liquid-cooled... So, there you go... ;)
     

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