3.4 QV Crowndog's Adventure | Page 2 | FerrariChat

3.4 QV Crowndog's Adventure

Discussion in '308/328' started by Crowndog, Oct 14, 2012.

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  1. Todd308TR

    Todd308TR F1 World Champ

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    Hey the sub-frame is rust free.
     
    Todd308TR, Oct 15, 2012
    #26
  2. Newman

    Newman F1 World Champ Consultant Owner Professional Ferrari Technician

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    I know! Its had some pretty good rust prevention. It'll probably clean up pretty nice once its washed.
     
    Newman, Oct 15, 2012
    #27
  3. Crowndog

    Crowndog F1 Veteran

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    Well there you have it the bad and the ugly very little good so far! Amazing what goes on down under.
     
    Crowndog, Oct 15, 2012
    #28
  4. Dr Tommy Cosgrove

    Dr Tommy Cosgrove Three Time F1 World Champ Owner Rossa Subscribed

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    That is the first black TB and intake manifold I have seen on a QV.

    Odd seeing someone paint them black. Usually its straight to the red rattle can
     
    Dr Tommy Cosgrove, Oct 15, 2012
    #29
  5. Crowndog

    Crowndog F1 Veteran

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    May have been done to hide the flinging oil? Glad your here Doc.
     
    Crowndog, Oct 15, 2012
    #30
  6. RAMMER

    RAMMER Formula 3

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    What kind of hp can we expect from the 3.4 QV engine?
     
    RAMMER, Oct 15, 2012
    #31
  7. hinton308

    hinton308 Formula Junior

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    Robert
    Since I have an 83 I look forward to this thread. What will be the gain in HP? Why 3.4 vs. the 3.5?
    Don
     
    hinton308, Oct 15, 2012
    #32
  8. Newman

    Newman F1 World Champ Consultant Owner Professional Ferrari Technician

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    Good question. We have a few possible avenues with the combinations I've suggested which impacts output. The carbed 3.4's are a solid 100hp more than a 235hp 308 engine. The QV has the potential to surpass the carbed 2V engines.
     
    Newman, Oct 15, 2012
    #33
  9. Newman

    Newman F1 World Champ Consultant Owner Professional Ferrari Technician

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    Bore/stroke combo is different.
     
    Newman, Oct 15, 2012
    #34
  10. jrinehart

    jrinehart Formula Junior

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    Rob, if you need a Ferrari fix let me know you take mine out for drive. Watching this post closely. Good luck on the rebuild. I'm sure it will be great.
     
    jrinehart, Oct 16, 2012
    #35
  11. jrinehart

    jrinehart Formula Junior

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    Are you going with electronic ignition?
     
    jrinehart, Oct 16, 2012
    #36
  12. Dr Tommy Cosgrove

    Dr Tommy Cosgrove Three Time F1 World Champ Owner Rossa Subscribed

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    why is that bore/stroke combo preferable vs a 3.5L option?
     
    Dr Tommy Cosgrove, Oct 16, 2012
    #37
  13. shmark

    shmark F1 Rookie

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    My guess is money. :D

    Really looking forward to this! I love my QV but wonder what it would be like with a 3.4 in the back.
     
    shmark, Oct 16, 2012
    #38
  14. Newman

    Newman F1 World Champ Consultant Owner Professional Ferrari Technician

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    One of the 3.5's I know of (there may be a few variations that im unaware of) have a larger bore and shorter stroke than the combination were using on the 3.4s. A dyno sheet from a 3.5 showed higher peak HP numbers in QV form (not by much) and another with 10HP less vs the 3.4 2V carbed versions but less torque. What I like about the 3.4 is you can use stock liners and stock head gaskets, there's nothing exotic or redesigned. Custom liners, block modifications and custom head gaskets add an element of risk that im not super comfortable with unless its for myself and tested long term. I would love to run a larger bore (and longer stroke) in the future and I will but the cost will spiral out of control and ill experiment on myself first.
     
    Newman, Oct 16, 2012
    #39
  15. Dr Tommy Cosgrove

    Dr Tommy Cosgrove Three Time F1 World Champ Owner Rossa Subscribed

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    That's what I wanted to hear. When it is time to tear mine down I want to go in this direction but the simplest possible. I am good with a lot of "stock" items if it means giving up just a few extra hp. Just seems easier and more dependable all around with plenty of extra power and torque over stock.

    This is good news
     
    Dr Tommy Cosgrove, Oct 16, 2012
    #40
  16. brettgagnon

    brettgagnon Formula Junior

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    Plus from the non technical side: it adds a whole hell of a lot of grins when you stop the pedals. Night and day from a stock engine!
     
    brettgagnon, Oct 16, 2012
    #41
  17. Challenge

    Challenge Formula 3

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    Rob,

    I know you are excited about this project. I can't wait to see the result! Remember, the 308 engine was basically the basis for the F40 so it's not too late to consider a twin turbo :)

    Will you still be on the east coast when the car is done? I want a ride!

    Kevin
     
    Last edited: Oct 16, 2012
    Challenge, Oct 16, 2012
    #42
  18. miketuason

    miketuason F1 World Champ Owner Silver Subscribed

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    Robert, I know this is going too far but, what do you think of this sequential Geartronics Paddleshift kit? Anyway, with or without it, your car is going to be great.
    Image Unavailable, Please Login
     
    Last edited by a moderator: Sep 7, 2017
    miketuason, Oct 16, 2012
    #43
  19. Newman

    Newman F1 World Champ Consultant Owner Professional Ferrari Technician

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    Last edited by a moderator: Sep 7, 2017
    Newman, Oct 16, 2012
    #44
  20. Newman

    Newman F1 World Champ Consultant Owner Professional Ferrari Technician

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    Last edited by a moderator: Sep 7, 2017
    Newman, Oct 16, 2012
    #45
  21. i-velocita

    i-velocita F1 Rookie BANNED

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    That is super cool! No doubt Robert would be the only one at cars & coffee with a system like that! ;-)
     
    i-velocita, Oct 16, 2012
    #46
  22. Todd308TR

    Todd308TR F1 World Champ

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    No paddle shift, that takes the fun away.

    What is the hose attached to the alternator?
     
    Todd308TR, Oct 16, 2012
    #47
  23. i-velocita

    i-velocita F1 Rookie BANNED

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    Hose is for air cooling.
     
    i-velocita, Oct 16, 2012
    #48
  24. touque

    touque Karting

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    I'm in the same mindset!

    BTW, this is already a great thread and I can't wait to see the progress! Definitely know that my engine looks like this - I planned to use some of the rainy season here in Portland to clean it up a bit, but you can only do so much with the engine in the car.

    Newman/Crowndog - are you planning to leave the bottom-end alone?
     
    touque, Oct 16, 2012
    #49
  25. Newman

    Newman F1 World Champ Consultant Owner Professional Ferrari Technician

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    The bottom end changes are how we're achieving 3.4L from 3.0L.
     
    Newman, Oct 16, 2012
    #50
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