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  1. E82/E88: The head does not flow enough to enable very high...

    The head does not flow enough to enable very high revs.
  2. That's the difference between a businessman and...

    That's the difference between a businessman and an enthusiast. Wedge has been spending a lot of his time for free or for random donations. It is not sustainable to work like that due to the...
  3. Replies
    55
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    2,215

    The intake valves don't flow enough to enable...

    The intake valves don't flow enough to enable high revs. There is a very limited space for both increasing the lift and/or intake valve diameter. The bore is small for fitting big valves to the area...
  4. Replies
    148
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    10,053

    Anyone fabricating one?

    Anyone fabricating one?
  5. Replies
    55
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    2,215

    The springs are capable of 10k. The head is not....

    The springs are capable of 10k. The head is not.

    Springs are the easy part.
  6. You cannot just compare 3" vs 3.5" straight pipes...

    You cannot just compare 3" vs 3.5" straight pipes if you are running mufflers. A 3.5 inch muffler flows a lot better than the 3" muffler of the same brand. That's why in the real world comparison...
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    E30 FBO map ok for stock car w/E50?

    Could the Cobb E30 map be used with an unmodified stock car and E50? I saw the logs, and there were no ignition corrections in those few logs that I saw. I believe the fuel scalar should be adjusted...
  8. Replies
    682
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    35,023

    Sticky: Could the Cobb E30 map be used with a stock car...

    Could the Cobb E30 map be used with a stock car and E50? I saw the logs, and there were no ignition corrections in those few logs that I saw. I believe the fuel scalar should be adjusted up though to...
  9. Replies
    125
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    3,845

    550i clutches have been holding fine. I don't...

    550i clutches have been holding fine. I don't know how much torque they have been running though.
  10. Replies
    125
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    3,845

    550i clutch is an upgrade retaining DMFW - no...

    550i clutch is an upgrade retaining DMFW - no chatter and it holds a lot of torque.
  11. Replies
    125
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    3,845

    The no-rattle solution would be 335is / 550i /...

    The no-rattle solution would be 335is / 550i / 650i clutch.

    At extreme power levels it may require turning misfire detection off, but it would not be a big deal.
  12. Great news!

    Great news!
  13. Replies
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    1,594

    Respect. Bigger turbos would increase lag and...

    Respect.

    Bigger turbos would increase lag and with the stockers you have a very responsive daily driver which seems to be very fast as well. I'd upgrade the tired stock plugs and remember the...
  14. Replies
    49
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    1,689

    AFAIK N54 rod is 135mm, N55 rod is 145mm

    AFAIK N54 rod is 135mm, N55 rod is 145mm
  15. Replies
    49
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    1,689

    Are these lighter?

    Are these lighter?
  16. Replies
    49
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    1,689

    Stock ratio is only 1.506.

    Stock ratio is only 1.506.
  17. Boost is better.

    Boost is better.
  18. Thread: HPFP Tease

    by 654
    Replies
    66
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    3,196

    Good to have the news. I prefer this over PI but...

    Good to have the news. I prefer this over PI but I was wishing to get rid of my tired HPFP and stop worrying about notorious stock HPFPs for good. I guess its challenging to R&D an upgraded HPFP. I...
  19. Replies
    45
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    1,088

    Is it the pitch of the sound that annoys people...

    Is it the pitch of the sound that annoys people in the chatter? Engine is more noisy than the chatter, so it cannot be the volume of the sound, right?

    I've used to the chatter when it comes to my...
  20. Replies
    90
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    3,675

    Stock turbo MBT is at a very high advance level...

    Stock turbo MBT is at a very high advance level because the stock frame twins cannot take big boost and advance is the way to make power.
  21. Replies
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    3,675

    Stock flywheel? Flashes don't cause misfires,...

    Stock flywheel? Flashes don't cause misfires, stock flywheels do beyond a certain power level.
  22. Replies
    144
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    5,626

    All blocks are strong. Weaknesses are elsewhere -...

    All blocks are strong. Weaknesses are elsewhere - fueling, rods, chassis..

    Weight reduction is the essence of a sports car. Engine is the first thing to start from. Reducing weight from the front...
  23. Replies
    129
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    5,750

    The only way to reach the fleet CO2 objectives is...

    The only way to reach the fleet CO2 objectives is to go for small displacement and high enough boost for all the cars in the fleet. The fleet average for 2020 will be 95g/km, 40% down from the 2007...
  24. Replies
    144
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    5,626

    Supras never won championships. They were famous...

    Supras never won championships. They were famous for losing.
  25. Replies
    177
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    6,023

    N55: Oh, thanks. I was just reading from the...

    Oh, thanks. I was just reading from the beginning. So it was not tuning problem. I am still curious how could someone even read from the said log that it was...
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