Recent content by Norm Peterson

  1. Norm Peterson

    Boss 302 Demon Speeding

    The only correct sound track would be the car's exhaust note. Norm
  2. Norm Peterson

    How to Silence Rear Axle Noise?

    Yes. Norm
  3. Norm Peterson

    How to Silence Rear Axle Noise?

    Chances are that the flange is OK and its wobbling is due to the bearing issue. Unless the flange itself shows evidence of damage (unlikely). Norm
  4. Norm Peterson

    What have you done to your mustang today?

    Have you ever noticed a little extra eagerness for your car to turn in when you get off of the brake pedal at the end of your trail braking? Same thing can occur in situations where you'd have been at 'maintenance throttle' in a turn that decreases its radius slightly, except that it's a much...
  5. Norm Peterson

    What have you done to your mustang today?

    Stock weight, whatever that was. I've never got it weighed but I haven't made any changes that affected the weight by more than a few lbs or so. Roll steer is something that is always there, and whether it's understeerish or oversteerish depends on rear ride height as that affects both LCA...
  6. Norm Peterson

    What have you done to your mustang today?

    220 lb/in They're the BMR GT500 Handling Springs (20 lb/in stiffer than BMR's non-GT500 rear springs). I got them as part of the #SP-072 kit but they are #SP-074 for the rears alone. They also dropped the rear of my car by about 1" vs the advertised 1.5", presumably due to the difference in...
  7. Norm Peterson

    What have you done to your mustang today?

    The rear axle job is back on hold for a couple of days, so I decided to tackle one of the other little tasks. Some time ago I'd pulled part of the interior trim and carpeting up due to the water leak. Today I started putting that stuff back in. It took a while to figure out where the...
  8. Norm Peterson

    Rear LCA experiences over the years

    Loose or bad bump stops is all I can come up with. I can't see lateral axle migration under the heavy load being enough to be a significant contribution to either centering the stops on the chassis-side pads or moving them off the pads completely. Chances are you were riding on the rear bump...
  9. Norm Peterson

    Adjustable Panhard Bar recommendation- 2014 GT

    The Ford Performance adjustable PHB ends measure 1.50" wide. The flanges on the supplied bushings are 0.20" (each) for a total width of 1.90". The supplied inner sleeves measure 1.85". For reference I measured about 1.88" for the OE PHB "sleeves", and the FP bar ends with bushings was a...
  10. Norm Peterson

    NJMP Thunderbolt

    I should have asked this earlier - what size NT01s, and how wide are the wheels they're mounted on? This is more out of personal curiosity than any attempt to evaluate anything. 305/35-18s aren't exactly inexpensive, and 275/40-18 is a bit taller than I'd ever want to go (neither 275/35 nor...
  11. Norm Peterson

    NJMP Thunderbolt

    Looks like damage from "road" debris. I'd be uneasy about that as well. For 20-ish heat cycles - is that 20 individual sessions, 20 track days, or something else (like 20 total mornings plus afternoons)? NT01s seem to get decent reviews regarding lifespan. They're not on Terry Fair's list...
  12. Norm Peterson

    NJMP Thunderbolt

    Good deal. How many heat cycles are on them now? Are they getting close to cording? Norm
  13. Norm Peterson

    tire size help! 305 35 r19

    Less rear bar??? All else held constant, I'd expect a 245/305 amount of tire stagger to understeer resolutely, as in everywhere in a corner. Including turn-in (where more front bar/less rear bar can sometimes be of advantage). Norm
  14. Norm Peterson

    tire size help! 305 35 r19

    I really think you meant "understeer". Hopefully Hugh will pick up on this. Norm
  15. Norm Peterson

    NJMP Thunderbolt

    Hoping to see some video. Norm
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