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  1. Replies
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    2,766

    The controls and the heater valve are two...

    The controls and the heater valve are two separate things, accessed in different ways. The heater valve is easy - just remove the front tunnel vent panel underneath the car, push the hoses out of...
  2. Thread: Coolant lines

    by Jimbo
    Replies
    12
    Views
    3,214

    One thing to watch for - on the rear turbo, the...

    One thing to watch for - on the rear turbo, the coolant lines run above the rear exhaust manifold, then wrap around the frame rail and go down to the hard lines attached to the turbo. If you’re...
  3. Replies
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    4,764

    I’ve had to do this fix on several cars - I...

    I’ve had to do this fix on several cars - I haven’t had to remove any of the riveted underbelly pans, just the screwed-on pan under the engine, and the rear tunnel vent. Once those are off, remove...
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    It’s fairly straightforward- the Bosch FPR is a...

    It’s fairly straightforward- the Bosch FPR is a 1:1 regulator, so the fuel pressure is maintained at 3 bar above whatever pressure/vacuum is present at the reference port. Since the reference port...
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    79,910

    That red light is used for two things - first, it...

    That red light is used for two things - first, it goes on if your brake fluid is low. Second, it goes on if your ebrake handle isn’t all the way down. From the factory, there isn’t a spring holding...
  6. Replies
    27
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    63,130

    To get to the heater valve on a Noble, you have...

    To get to the heater valve on a Noble, you have to come up from below the car. No need to drill any rivets or remove the floor pan. Just unscrew the forward vent panel and reach inside. It’s...
  7. Replies
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    20,592

    Nope, the M400s didn’t come from the factory with...

    Nope, the M400s didn’t come from the factory with a front-mounted oil cooler either. They came stock with a single cooler mounted in the right side pod. Any Noble (M400 or M12) with an oil cooler...
  8. Replies
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    3,554

    Try tightening the nut on the bottom of the cap a...

    Try tightening the nut on the bottom of the cap a little, like a quarter turn or so, to make it lock down a little tighter...
  9. Thread: Clutch Problems

    by Jimbo
    Replies
    16
    Views
    17,727

    If you mean the bar on the bottom of the chassis,...

    If you mean the bar on the bottom of the chassis, below the engine on the right side of the car, then that's the wrong bar. That bar is so that you can remove the oil pan without having to remove...
  10. Replies
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    10,966

    Ok, there are a few things in this thread that...

    Ok, there are a few things in this thread that I'd like to clarify:

    1. Setting fuel pressure. "Base" fuel pressure is set with the fuel pump on , and the vacuum/pressure reference disconnected...
  11. Replies
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    33,606

    No need to mess with the vacuum lines to disable...

    No need to mess with the vacuum lines to disable the boost solenoid - just disconnect the electrical connector on the solenoid. With the solenoid disconnected, the boost will be limited to the...
  12. Replies
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    33,606

    The lambda values from the ecu are pretty much...

    The lambda values from the ecu are pretty much useless for evaluating a tune. Nobles/Rossions both use narrowband o2 sensors, which can only indicate richer than stoich (lambda 1.0, ~14.7 afr for...
  13. Replies
    31
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    33,606

    What type of exhaust do you have? Stock or...

    What type of exhaust do you have? Stock or aftermarket?

    What lambda values are you getting? Are you using a wide band, or trying to use the lambda readings from the Easimap software? The...
  14. Replies
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    33,606

    Are you running a stock tune or something else? ...

    Are you running a stock tune or something else? Have you done a thorough check for vacuum leaks? A smoke machine is a great way to do this. How did you measure the manifold pressure at idle? The...
  15. Thread: Engine mounts

    by Jimbo
    Replies
    8
    Views
    10,223

    Why wait? It's pretty simple to change the...

    Why wait? It's pretty simple to change the mounts with the engine still in place...
  16. We've actually run an engine on an engine Dyno,...

    We've actually run an engine on an engine Dyno, tuned it, measured the actual crank hp and torque, then dropped the engine in a Noble and run it on our chassis Dyno with the same tune. That's where...
  17. What BSFC are you using, and which calculator? ...

    What BSFC are you using, and which calculator? Our base number for drivetrain loss is more like 20% on our Dyno. Stock base fuel pressure on a Noble is 43.5 psi
  18. Thread: Backup Switch

    by Jimbo
    Replies
    6
    Views
    79,502

    We may have some of the connectors in stock...

    We may have some of the connectors in stock...
  19. You might want to take a look at an injector...

    You might want to take a look at an injector sizing calculator - 60 lbs seems a bit low for your horsepower target...
  20. Replies
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    60,563

    None of the US Nobles or Rossions that I have...

    None of the US Nobles or Rossions that I have worked on have had journal-bearing turbos - they all have had ball-bearing turbos. Easy way to tell is to (with the engine off, of course) grab the...
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    6,019

    Noble or Rossion?

    Noble or Rossion?
  22. Thread: Rossion on Track

    by Jimbo
    Replies
    16
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    9,712

    Should be a link embedded in the post... ...

    Should be a link embedded in the post...

    Otherwise, here it is again:
    http://www.speedcasttv.com/#/races/395
  23. Thread: Rossion on Track

    by Jimbo
    Replies
    16
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    9,712

    Here's another example...

    Here's another example of what the Noble can do. This was taken about a month ago, at the SCCA National Championship Runoffs, where we competed in GT-1, against 700+hp purpose-built Trans-Am cars. ...
  24. Just wanted to point out that the original poster...

    Just wanted to point out that the original poster said that it's a right hand drive car, which means it's probably a UK car, not a US car. UK Nobles had different tail lights than the US cars - I'm...
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    6,643

    Just be sure to put in an appropriate connector...

    Just be sure to put in an appropriate connector on all wires running from the main body to the clam, so the clam can still be easily removed....
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