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Thread: Weber tuning

  1. #21
    GROUCHY FUC***G OLD APE Silverback's Avatar
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    I sure hope you will replace the cardboard with metal before you are done.

  2. #22
    Quote Originally Posted by Silverback View Post
    I sure hope you will replace the cardboard with metal before you are done.
    o, it's stiff cardboard and i won't drive it in rain

  3. #23
    Senior Member Morris's Avatar
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    Quote Originally Posted by belgiumbarry View Post
    So i had more space for the airbox. The K&N cone airfilter dia 100mm ( = 4 inches *8^ ) is completely in the "nose" ...so cold air .
    Box demountable in 10 sec. Mission accomplished.

    IF i had time i should copy that in carbon....

    Attachment 15871
    Barry

    We have built many air boxes for 6 cylinder Datsuns..... and it was very hard to get them right. Seems like they create a turbulence inside of them and cause a reversion outside the air horns. this will leave a build up of gasoline on the inside of the air box and the reversion causes a fog in the air box.
    You will not notice the killing of power unless you are running next to another competitor.
    There is a science to building air boxes and how the proper amount of air gets to the cylinders.
    Just remember that you will not notice it until you are next to another car like yours and you will loose top end power.

    PS. a reversion is a stand off of a mixture of gas and air that is not moving into or out of the cylinder combustion chamber. That's why we build headers with anti-reversion steps in the pipes so the air continues to move and does not stop or create a fog.

    The airbox always look kool ... but can affect performance if not designed properly.

    Morris

  4. #24
    yes Morris , i have seen were they build a big airbox ( like mine) and then go experimenting with foam pieces inside to reduce volume... but car is running well as it is and i won't feel the difference ( ?? ) in classic rallying.

  5. #25
    had a scary experience ... after everything was finished and i wanted to test drive, i heard a "tiktak" in the engine... i tought , omg, not again ... ( the M5 engine ended that way in the CSL... ) with this new engine i only did 2 rallys so far !

    so i first mounted a oil pressure gauge ( didn't had it yet , only the warning light) but pressure was OK.
    Then i was listening with a tube in the inlet trumpets, heads,bellhousing... but nowhere that noise ?
    I even started the engine in the dark to see perhaps ignition sparks , but nothing.

    My rally specialist mechanic came over and knew directly that is was not a mechanic failure. After 5 minutes he had found it ! I have a coilblock mounted to the firewall and inside a cap the cable was separated from the press-fit. That way it made sparks between the ends, was no visible from outside , and the firewall must had react as a metalic emplyfier.

    So me happy, problem solved. But i was worried... next saterday we have a big rally planned in France. (*P

  6. #26
    Administrator Ron77's Avatar
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    1969 NASCAR Cobra, 428SCJ engine bored .065 and sonic tested and balanced and blue printed.
    Barry,

    That is great that it wasn't anything serious. Good luck in the rally. Maybe Silve could come and be your co-pilot.

    Ron
    MY ALBUMS

  7. #27
    Silver as co-pilot ? i hope not , either we would crash the first turn or never found home again. As a monkey , i bet he navigates tree by tree and flings poo between.

  8. #28
    GROUCHY FUC***G OLD APE Silverback's Avatar
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    Well of course WaffleHead. I fling poo to find my way back.

    Now if you will let me drive, then you could navigate.

  9. #29
    haha, i tryed navigating one day in the one week " Tulpenrally".... omg, it was a disaster
    we climed a mountain for about 10 miles and had to turn on top to go down again.... the point was a street name we had to take...i found that nameplate and turned right. So down again ....and were at the starting point

    seems we had to take on top the left side. The street crossed that road so was the same name on the left.... when i asked how i could know that ... with the roadbook AND compass it was clear. I had no compass ....

    after all, we had a big fun time !

    dag1 005.JPG

    total lost again...

    dag1 013.JPG

    on the included track tests i succeed in the good direction

    61e-TULPENRALLYE-WOENSDAG-7-MEI-2014-47-van-63.jpg

  10. #30
    goddamned, we drove a prof rally this weekend and ended 30 on 44 participants.It was no play, 500 km in a day , so even 150 km in the dark on mostly bad surfaces. ( off road ).... won't subscribe me for 2018....done with it.

    Broke my exhaust on it ( let's hope it 's that only ) and hoping nothing else got hit. i just High pressure cleaned the car and must check coming days. ....

    Cleaning the car is about 3h of work... you need to remove wheels to get all that mud away.............
    Last edited by belgiumbarry; 02-13-2017 at 04:55 AM.

  11. #31
    GROUCHY FUC***G OLD APE Silverback's Avatar
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    Aren't you getting too old for that?

  12. #32
    Administrator Ron77's Avatar
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    1969 NASCAR Cobra, 428SCJ engine bored .065 and sonic tested and balanced and blue printed.
    Barry,

    It sounds as if you had a rough time in that race. As for the mud, hire Silver and Nomad to clean the car. A banana and bottle of Bourbon should get a nice clean job.

    Ron
    MY ALBUMS

  13. #33
    Senior Member Carlewms's Avatar
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    Building FFR Mk 4 Roadster with 347
    Great thread ... The Adventures of Barry on the Road ... make it a sticky
    From the Olde Goat Garage

    Building an FFR Mk 4 Roadster
    347 Stroker with EFI, SA T5, IRS
    Kit Arrived: 10/25/2012
    Build Started: 4/8/2013
    Rolling Chassis and Engine/Transmission Installation: 8/23/2015
    Go Kart: 3/26/2016

    Another deadline not met ... so it will just get done sometime soon


    Click this link to see my albums (http://talk.cobraregistry.com/album.php?u=1201)

  14. #34
    Administrator Ron77's Avatar
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    1969 NASCAR Cobra, 428SCJ engine bored .065 and sonic tested and balanced and blue printed.
    Done. It is now a sticky.

    Ron

    Quote Originally Posted by Carlewms View Post
    Great thread ... The Adventures of Barry on the Road ... make it a sticky
    MY ALBUMS

  15. #35
    Most was in the north of France, near Calais.... on roads i think bombed in WWII and never repaired.
    No wonder they get permission to organise there a rally... local people don't daire to drive them, except a farmer tractor...look, i can do silly and end in the decor , but i don't wanne wreck my car on the "road" just by keeping the demanded average speed.

    Stupid from our side... i bought a new Terratrip tripmaster with remote gauge for average speed.... and we used it wrong ! so all our average times were wrong , meanwhile we thinking we were perfect on roadbook timing

    F*ck Terratrip , how simple can it be, how difficult they programmed that .... ok, i can store 10 average speeds ahead, i can see them on the screen, but how to activate one on the startline is a mistery. Still is

  16. #36
    Administrator Ron77's Avatar
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    1969 NASCAR Cobra, 428SCJ engine bored .065 and sonic tested and balanced and blue printed.
    Barry,

    Do you want us to send Nomad over to help you figure that out?

    Ron
    MY ALBUMS

  17. #37
    Quote Originally Posted by Ron77 View Post
    Barry,

    Do you want us to send Nomad over to help you figure that out?

    Ron
    yes, please.
    Not Silver, he would only hang upside down on the rollcage , demanding bananas ....

  18. #38
    GROUCHY FUC***G OLD APE Silverback's Avatar
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    Well in your case WaffleHead, I believe that upside down is how the car would end up and I would be standing on the roof.

  19. #39
    in the morning... snow on some places.
    The LED lights are the max but no wide beam. So i will need to install another 2 wide beam lights...
    Exhaust is scrap... even a tube clamp was pushed trough the bottom of the car ...

    5996_sized-rdv-16.jpg
    Last edited by belgiumbarry; 02-13-2017 at 04:45 PM.

  20. #40
    GROUCHY FUC***G OLD APE Silverback's Avatar
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    You don't wear helmets?

    Your waffle could get damaged.

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