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Vortec350ss 2005 Sierra Denali - Forged 370 and cog driven TVS2300

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Old 09-20-2013 | 08:50 PM
  #141  
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How many miles do all you guys have on your motors?
Old 09-22-2013 | 09:24 PM
  #142  
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I have 62k on mine, but I think my last heads had a rocker set up on them that coulda been hell on the lifters. The tick isn't bad... But there is something there. Who knows.
Old 09-22-2013 | 10:14 PM
  #143  
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So what's the update?
Old 09-22-2013 | 10:34 PM
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Ive got 175k on my 5.3.
Old 09-23-2013 | 09:12 AM
  #145  
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I haven't been able to pull the tranny pan yet. Hopefully tonight ill have time. I have a front driveshaft at a local guy who is in the process of shortening and high speed balancing it.

Pat, do you remember which rear driveshaft part number worked right for you? Would it be the same length for me, or shorter since you have a larger rear axle?
Old 09-23-2013 | 10:26 AM
  #146  
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You need a longer front shaft, and a shorter rear shaft when you swap in the 80E Rob. Or did you just type that wrong?
Old 09-23-2013 | 11:04 AM
  #147  
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The tranny I bought came with a new t case and both driveshafts. Because the 149 has different dimensions the driveshafts I purchased are slightly different than what I need. In order to make the driveshaft that I bought work it needs to be shortened by an inch. I'm currently running the stock front shaft, but I know it's a tad too short. I won't beat on it until I know the right driveshafts are in.
Old 09-25-2013 | 10:38 AM
  #148  
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Alright so I've been chasing down a few gremlins since this tranny install.

The first of which was the converter not locking up. I revisited the wiring and it seems that all is well now.

The second problem is the tranny is slipping at anything more than really light throttle. We installed a transgo HD2 before putting it in the truck, and I can't help but think this has something to do with it. It seems to me that there is very low line pressure. The shifts are very smooth, too smooth really. Something that was done while installing this shift kit messed up my line pressures... I wish I knew more at this point.

Has anyone else run into a similar issue? I'm going to start another thread to see what people think.
Old 09-27-2013 | 09:13 AM
  #149  
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Alright so last night I pressure tested the tranny lines with a gauge. Its pegged at 40psi no matter what gear its in. P, R, N, D and 1. I need to hit a mechanic/trans shop thats familiar with the HD2 in case I messed that up somehow...
Old 10-03-2013 | 11:47 AM
  #150  
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Its been with a trans shop for a few days now... I got word that he would be working on it today. Keeping my fingers crossed that its something stupid.


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