Testarossa powered boxer | Page 3 | FerrariChat
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Testarossa powered boxer

Discussion in 'Boxers/TR/M' started by Newman, Nov 19, 2013.

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  1. George Vosburgh

    George Vosburgh F1 Rookie
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    #51 George Vosburgh, Nov 28, 2013
    Paul, This is a project that really speaks to me. What are your ultimate goals with this one aside from the obvious HP upgrade?
     
  2. Newman

    Newman F1 World Champ
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    #52 Newman, Nov 28, 2013
    The goal is to bring it back to life and make the engine look as close as possible to the carb'd boxer engine it once had but using the testarossa engine. The advantage to this is reasonable cost with the added benefit of a significant horse power increase over stock. Im also undoing some of the other modifications to bring it closer to stock in appearance and take care of over-due maintenance.
     
  3. Newman

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    #53 Newman, Nov 28, 2013
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  4. godabitibi

    godabitibi F1 Veteran

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    #54 godabitibi, Nov 28, 2013
    What a mess some people can do with a car.
     
  5. Melvok

    Melvok F1 World Champ
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    #55 Melvok, Nov 29, 2013
    Indeed ... stupid ...
     
  6. sp1der

    sp1der F1 Rookie

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    #56 sp1der, Nov 29, 2013
    These calipers are much lighter and were also used on the 308 rally cars. I suspect the prop valve is there as the fundamental brake balance frt/rr with these calipers is different as they were only available with limited piston sizes.
     
  7. Newman

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    #57 Newman, Nov 29, 2013
    Thank you for the info! Now the question is do we use them? Much lighter is fine but a total waste to put them on this car given the unsprung weight is enormous and the calliper weight reduction would be of no benefit. I agree the valve is a proportioning valve to change the bias.
     
  8. Newman

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    #58 Newman, Nov 29, 2013
    Last edited by a moderator: Sep 7, 2017
    Fog lights point out to the sides, no big deal I thought, Ill just aim them. Nope, the DOT conversion relocated the lights too close to the fans so if I aim them straight the fan blade hit the lights.

    Fuel system is BBi and they went to great lengths to install this stuff but its all garbage now. The accumulators are leaking, the filters are disposable and the pumps have the old style non-replaceable check valves.

    The bracket welded to the frame for the pump is added-on.
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  9. Newman

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    #59 Newman, Nov 29, 2013
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  10. canamlotus

    canamlotus Rookie

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    #60 canamlotus, Nov 29, 2013
    Hi Paul;

    Just found your thread, great project.

    I am very interested in getting a set of carb. intake manifold for the TR motor. do you have them? or you know where I can get a set?


    Steve
     
  11. Newman

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    #61 Newman, Nov 30, 2013
    I know of a couple of sets of carbs and I know where you can get linkage. You will also need intake manifolds to adapt the carbs onto the 4 valve testarossa heads. Ill make more than one set of manifolds under the assumption there are a few people out there that would want to do something similar.
     
  12. Newman

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    #62 Newman, Nov 30, 2013
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  13. Newman

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    #63 Newman, Nov 30, 2013
    Last edited by a moderator: Sep 7, 2017
    Glad my wife isnt overweight or I could never go for a spin with her!

    Foam seals around dash vents are like sand so Ill replace them with a roll of common foam with an adhesive back.

    Vertical brackets are add-ons that Ill remove.

    Cutout in right rear fender well was for BBi coolant tank they added, Ill close that hole in too.

    The car had two fuel systems like a BBi so they bought another right side carb'd car cross over pipe and welded on an end for the rubber coupler to attach to. I need to get another stock left side pipe which is a simple piece with a slight bend in it. If I cant find one I have pipe here of the same size that I can bend to fit and look stock.
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  14. Newman

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    #64 Newman, Nov 30, 2013
    Last edited by a moderator: Sep 7, 2017
    Testarossa cover soon to be black wrinkle.

    My cardboard intake manifold templates now cut from steel to verify port alignment and stud fit. Next I can mock them up in relation to each other and the horizontal position then tack them together so I have a model to work from.

    Right front inner fender shield that was modified to accept the braided cooler lines, easy to correct and the original sequence numbers (304) can still be seen which matches the car as does the gas tank access panel.

    Console looks a lot worse now that its out in daylight. The console is faded much more than the seats so the new leather will be a pretty good match with the seats and look so much better.

    I put the dash back in over the studs to keep it safe and set the seats back in while the specific interior parts are getting re-covered.
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  15. turbo-joe

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    #65 turbo-joe, Nov 30, 2013
    the original carbs are downdraft carbs. with those I have sometimes trouble when accelerating out of corners by going fast. the fuel inside moves because of the centrifugal force always to the outside of the corner. so one bank then is getting a little too much fuel, the other less. I checked this once with a lambda-meter. this too less is a problem bcause the engine is not running righ then. it is only a few seconds, may be not even 1 second, but I always think then when the engine is not accelarating right there would be an other problem may be.

    so I think it would be better to put on 6 double crossflow carburetors like they are on the 365 GT 4, 2+2 or on the 400 or 6 double downdraft carbs and not 5 tripple downdraft. it is a problem of the too small float chambers
     
  16. Newman

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    #66 Newman, Nov 30, 2013
    Just go EFI if you want perfection.
     
  17. turbo-joe

    turbo-joe F1 Veteran

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    #67 turbo-joe, Nov 30, 2013
    NO NO NO paul,
    on a car you never can do something perfect :) only nearly perfect.
    and a carb car is much more fun to drive, also the sound is so nice.

    I only mentioned it because you make so much nice things there and when making new inlet manifolds it is no problem just to make them so that you could use crossflow carbs.
     
  18. canamlotus

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    #68 canamlotus, Nov 30, 2013
    Great, I want a set. any idea when you will have them and cost?

    Have you look into the individual throttle body adaption like the TWM ?
     
  19. sp1der

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    #69 sp1der, Nov 30, 2013
    You may also find these are stiffer than the standard calipers, from memory they also do not have dust shields like regular road calipers as they were intended for competition. They are very expensive calipers, new they are about 600gbp each!
     
  20. Newman

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    #70 Newman, Nov 30, 2013
    Interested in buying them? I see only a disadvantage to using these callipers especially with stock rotors. Do you know if they accept stock ferrari pads?
     
  21. sp1der

    sp1der F1 Rookie

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    #71 sp1der, Nov 30, 2013
    Not sure what the pad shape is, best to search use AP Monte Carlo, or visit the ap racing website, the code on the caliper will define exactly which of the historic calipers it is. They were also used on the Stratos and Escort rally cars.
     
  22. Newman

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    #72 Newman, Dec 4, 2013
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  23. Newman

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    #73 Newman, Jan 30, 2014
    Last edited by a moderator: Sep 7, 2017
    I performed the engine out service on the engine, checked the differential and resealed both units. Water pump seal also replaced.

    Im trying to make it look as much like a boxer engine as possible so the valve covers went black wrinkle and the timing covers went silver.

    Intake manifolds just about ready. Hoping I have them tomorrow!
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  24. okiedude

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    #74 okiedude, Jan 30, 2014
    Wow! What a project.
     
  25. Testarossa1

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    #75 Testarossa1, Jan 30, 2014
    +1 epic :)
     
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