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  1. Battery tender recommendations

    I've been using these models for over 18 years. I own 3 of them. I don't do anything fancy. Clip them on the terminal, and plug them in...
  2. My cats used 8 of their 9 lives.

    Ok. Yeah. That’s huge. So do you know if it’s actually your cats that’s causing this?
  3. My cats used 8 of their 9 lives.

    Measure HP with MPH/weight. Not ET. Too many variables with ET. You’d be trapping 20mph slower with a 300hp loss. You lost about 10mph.
  4. My cats used 8 of their 9 lives.

    Yeah. That’s like a 150-165hp loss….
  5. My cats used 8 of their 9 lives.

    Forget the ET, what did your MPH do?
  6. Oil

    Guess if it takes 4-8 months to get to 3000, it wouldn’t be much of a waste. That’s about once per year for me.
  7. Radials.... Didn't help

    16psi cold. 4-5 second burnout. They won’t spin.
  8. Oil

    You should just open the bottle and dump it out in the trash. This isn't 1970. PUP will go over 8-10K intervals with zero advantage changing it sooner, except cost and pure waste.
  9. Oil

    This is pure placebo based on brands.
  10. Roush Upgrade options? Minimal cost

    The compressor is still a 2650 rotor pack. Pulley the thing down a little, and run E75+. The Roush 2650 will run with a Whipple neck to neck until about 14psi.
  11. Pinion bearing losing pre-load. Only after making a couple passes..... Strange. 3rd time.

    That's our next move. Source better quality bearings.
  12. Pinion bearing losing pre-load. Only after making a couple passes..... Strange. 3rd time.

    The third setup was a brand new loaded differential yes. He checks everything. He's been setting up rear ends for over 25 years, and never had this kind of wear/noise/failure before. They are fine on the street and fairly quiet after his setup. A couple passes at the drag strip, and the...
  13. Pinion bearing losing pre-load. Only after making a couple passes..... Strange. 3rd time.

    I have pictures or the bearing and race wear. The cheap Koyo bearings (very thin hardness)and factory too much preload is what the consensus says is causing this entire ordeal.
  14. Radials.... Didn't help

    Which drag radials (Brand and size) and what pressure cold?
  15. Pinion bearing losing pre-load. Only after making a couple passes..... Strange. 3rd time.

    Here's the answers to your questions directly from him John, #1. The cause of the ring/pinion noise was from the front pinion bearing failure. Preload was gone. #2. No fore/aft play, but no preload. #3. Yes. The nut was staked and had not moved on all 3 of the failures.
  16. Supercharger....which one?

    TVS whines pretty good. This is with only a 3.00”/76mm. It’s even louder with a 2.80”/72mm.
  17. 8.8 Pinion Shims

    My buddy keeps losing pre-load on his. He's thinking of going to a solid pinion spacer as well. We can't figure out why it keeps happening. Only after he's made a few drag passes on it.
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