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In this first video, I tear open the crate for the
Chevelle's brand-new Moser Engineering 12-bolt Muscle Pak
rear end as soon as the UPS Freight driver leaves my driveway:
unboxing the rear end
If you're as big a car-geek as I am, you probably want some specs on
this rear:
- New Moser 12-bolt Chevy-style housing (made in the U.S.A.)
- GM A-body OEM chassis-mounting provisions
- Seamless steel tubing (3" O.D., 1/4" wall)
- Wilwood forged Dynalite rear brakes with internal drum parking brakes
- Custom alloy 33-spline bolt-in axles
- 3.55:1 Pro/Street ring-and-pinion gears
- Detroit Truetrac helical-gear posi differential
- 1350 series pinion yoke
- New Timken bearings, studs, seals, heavy-duty retainer plates, housing
ends, and T-bolt kit
- New braided-stainless brake lines, clamps, and Lokar emergency brake
cables
- Aluminum through-bolt-style girdle rear cover with drain plug
- Semi-gloss red powdercoated
- 1/2" x 20 x 1-1/2" (0.620" knurl) wheel studs
This replaces the 3.23:1 ratio, non-posi, 10-bolt wearing
stock drum brakes that's back there now.
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In this one, it's the new Tremec T-56 Magnum
6-speed Hurst transmission conversion kit and related goodies that'll modernize
the Chevelle and truly transform the way it runs:
6-speed unboxing
And here are some specs on
this transmission conversion kit:
- Tremec T-56 Magnum 6-speed transmission, rated at 700 lb-ft of torque
- 2.97:1 first gear ratio (not sure about the original Saginaw, but it's probably
similar)
- 2.10:1 second
- 1.46:1 third
- 1.00:1 fourth (same ratio as the stock Saginaw in 4th)
- 0.74:1 fifth (overdrive)
- 0.50:1 sixth (double-overdrive)
- QuickTime SFI-approved scattershield (in place of the stock bellhousing)
- Hurst T-56 Magnum hydraulic throwout-bearing kit
- Custom-length Inland Empire NHRA-approved 1026 drawn-tubing driveshaft
- Needle-roller pilot bearing
- Associated hardware, hoses, speedometer cable, and electronics
- Energy Suspension polyurethane transmission mount
- White 6-speed Hurst shift knob
- 6-speed center-console plate
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Sheet-metal tunnel patch
This replaces the stock Saginaw 4-speed (not the celebrated Muncie) that's in
there now, which is really only a 2-1/2 speed with marginally useful reverse.
Going from a 1:1 ratio in fourth gear to 0.5:1 ratio for 6th will literally cut
highway RPMs in HALF! That translates into WAY less fuel consumption and
wear-and-tear on the 396 engine - and lots less noise.
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