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| LCAC_Man #1027 LBZ Duramax Conversion | ||
| Author: LCAC_Man (Show all albums) This album will cover the Duramax/Allison conversion(including dash cluster integration), installation of airbags to assist suspension, conversion of vacuum brakes to Hydroboost, replacement of Onan gas generator with a Onan/Cummins 5500LP, inverter/charger installation, dual roof a/c installation, and Bedroom reconfiguration that will add "pass-thru" storage.  | 
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Shifter cable mounting went much quicker that I expected as well, have great travel with no geometry problems at all.Very little fab required, I only had to make the angle mount and on the allison shift arm I had to remove the male attachment pin, the rest is factory FMC hardware.  | emergency brake modification was a breeze, just extended the stock bracket a bit and it was pretty much a bolt in using the factory FMC u-bolt to retain the cable.  | (1 Comments) new driveshaft installed with the new differential end yoke, super tight fit but it's in! All parts are spicer. End Yoke: p/n 3-4-6221-1X Slip Yoke: p/n 3-3-1511KX Yoke Shaft: p/n 3-82-811  | Shows the difference in the yoke shaft diameter, new shaft is larger and 16 spline vs 10 spline. One nice thing about 16 spline is that you can get a true 90dg phasing which can't be done with the 10spline (you can only get 72 with two teeth or 108dg with 3 teeth rotation). I talked with a couple driveline shops and both said that if the angles are unequal(as they are on an FMC) then 90dg phasing is proper installation.  | ||
u-joint difference between stock and 1410 series The Neapco 1410 to 1480 u-joints are p/n 3-1448  | 3" square tube drop down structure, same width as the frame rails and same as the new engine cross-member  | fabricated my own transmission mount bracket based on pic's from Stephen's and some others one line. I couldn't bring myself to pay $70 for it.  | passenger side required further roll back of the electrical and plumbing which took entirely too long..  | ||
drivers side was pretty easy as there wasn't much interference  | repurposing the original transmission cross-member  | just enough room to get the rear sump of the oil pan off if needed  | still 1/2" clearance  | ||
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