308 V12 conversion begins | Page 124 | FerrariChat

308 V12 conversion begins

Discussion in '308/328' started by mk e, Oct 9, 2007.

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  1. wildegroot

    wildegroot Formula 3
    Professional Ferrari Technician

    Nov 19, 2003
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    Wil de Groot
    Those pipes look really good Mark!
     
  2. hotrod406

    hotrod406 Formula Junior

    Sep 18, 2007
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    Tim
    OK, I've got the same one on my Corvette and I didn't know it was rated that high at that pressure. Do you have the slow-down box too? Aeromotive says it's ok to run them at full speed all the time but mine got really loud on a road trip through Kansas in 104 degree heat even with the slow down box. Thankfully mine still works but that was a scary couple days.
     
  3. hotrod406

    hotrod406 Formula Junior

    Sep 18, 2007
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    Tim
    How old is that pump? Aeromotive changed the attachment method that holds the magnets to the outside of the bore in those things. They used to be glued and the alcohol in pump gas would wreck the adhesive and cause the magnets to come off. I noticed that mine made a weird thump when I turned it on or off so I took it apart one winter. One of the magnets had detached and was whacking the other one, that was the thump. I sent it back to them and they changed it over to the new system for $100. I guess the new guts flow more at higher pressures too. That's why they are rated at 700lb/hr at 45psi and 13.5 volts now. Something to think about if that pump is more than 5-6 yrs old.
     
  4. mk e

    mk e F1 World Champ

    Oct 31, 2003
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    Not to worry, it's all good. A boosted engine that makes 700hp at 7000rpm is making at least 525 ft-lb of torque so it's as much or more than I'm talking about and they didn't have the drop gear change to knock it down 20% going into the trans,

    The othe thing is with that kind of hp/torque and street tires the clutch drop happens at round 2500 rpm I think, thats all the tires would handle with my boosted engine and that was with me using 2nd gear

    Remember too that these graphs are just simulations.....I think the numbers I'm seeing at possible but they seem high. I've simulated quite a few engines now for others and the software gets close....but none of those engine were in any way optimal so I really don't know if the software is just jerking my chain here.

    The intake head flow tells me I can make about 760 hp give or take.....which is a long way from 875. The simple quick analysis in the sim software also says around 770- to 806 now with the recent changes so it's right in line with the simple quick calculation....and way low form the fancy calculation. I think I'm looking at 750-800 at 8500-9000 rpm. We'll see.
     
  5. mk e

    mk e F1 World Champ

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    Thanks Wil
     
  6. mk e

    mk e F1 World Champ

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    Now you have me all bummed out. I'll have to go through my pics or records and see when I got the pump.....but 6-7 year seems right.

    I don't have a controller btw, but I was considering one or letting the ecu control it.
     
  7. hotrod406

    hotrod406 Formula Junior

    Sep 18, 2007
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    Tim
    The controller is a PWM device so the ecu won't do the same thing. You can still have the ecu turn the pump on.
     
  8. mk e

    mk e F1 World Champ

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    Most ECUs have 6 or 8 PWM outputs that could be used for this.
     
  9. hotrod406

    hotrod406 Formula Junior

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    Yeah but they won't handle the amperage.
     
  10. mk e

    mk e F1 World Champ

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    Yes a remote driver would be required. The advantage of doing it in the ecu is the pump output can be matched to engine rpm easily.
     
  11. hotrod406

    hotrod406 Formula Junior

    Sep 18, 2007
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    Tim
    Hmm. Interesting. Can you give me a link to one of those devices? I wouldn't mind doing something like that on my car.
     
  12. BLUROAD

    BLUROAD F1 Veteran

    Feb 3, 2006
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    Enrico Pollini
    I love this thread.... I cant wait to start some crazy swap projects....
     
  13. mk e

    mk e F1 World Champ

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    #3088 mk e, Dec 5, 2009
    Last edited by a moderator: Sep 7, 2017
  14. mk e

    mk e F1 World Champ

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    Well get started....I'm running out of ideas on what else I can swap on my car :)
     
  15. mk e

    mk e F1 World Champ

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    I was just thinking a 20A or maybe 30A mosfet.....I don't think it would take anything more than that.
     
  16. BLUROAD

    BLUROAD F1 Veteran

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    #3091 BLUROAD, Dec 5, 2009
    Last edited by a moderator: Sep 7, 2017
    I have some interesting cars in my collection. I need a bunch of help getting my linkage to my Porsche transmission working... the thing is its attached to a Mazda rotary engine and sandwiched mid engine into a 69 Fiat 850 spider...see attached photo. the Fiat club of America had to push start me at Best of France because I cant get the starter to work right either... Someday... The car is fast. Just ask anyone at the show that heard it as it blew past them...
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  17. Etcetera

    Etcetera Two Time F1 World Champ
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    Dec 7, 2003
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    Suspension. New chassis made from lighter and stronger steel.

    New bodywork made from CF.
     
  18. Etcetera

    Etcetera Two Time F1 World Champ
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    New brakes.
     
  19. NeuroBeaker

    NeuroBeaker Advising Moderator
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    Oct 1, 2008
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    Fluffy dice in Ferrari-red. :)

    Ok, just forget I started talking... :eek:

    Slinking back out of the thread,
    Andrew.
     
  20. mk e

    mk e F1 World Champ

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    There will almost certainly be a new and very light deck lid.
     
  21. mk e

    mk e F1 World Champ

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    I was in the middle of new brakes when I stated the V12.....and they will need to be finished before the car will drive as I sold the original stuff.
     
  22. ramosel

    ramosel Formula 3

    Sep 11, 2004
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    Now THAT's commitment to a concept!!

    Rick
     
  23. Pizzaman Chris

    Pizzaman Chris F1 Rookie

    Mar 13, 2005
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    Light deck lid huh?

    Well, i don't think anybody wants to know what mine is going to look like. :eek:
     
  24. NeuroBeaker

    NeuroBeaker Advising Moderator
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    I'm curious... will it have an engine cover, or will you leave it open for maximum cooling in the confined area? :confused: I guess you can't get much lighter than not having one at all. :eek:

    All the best,
    Andrew.
     
  25. mk e

    mk e F1 World Champ

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    #3100 mk e, Dec 6, 2009
    Last edited by a moderator: Sep 7, 2017
    Headers mostly all welded. I have a little left inside at the flange on #4 but I'm almost out of Argon again so I decided to move on to collectors with what I have left.
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