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  1. D

    Upper intercooler needed

    Looking forward to post-install photos (if you do not mind). It looks like the new unit might be a bit shorter vertically and that the TB flange has moved forward a bit compared to the stock unit. Both of which I would have asked for to achieve more clearance around the AC. Did they also...
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    Upper intercooler needed

    If you don't mind, what did it run and do you think they'd object to making more?
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    Sanden AC compressor install (almost)

    I flushed the evaporator, lines and condenser this time. It is standard procedure to do it at my brothers shop, but we don't know if the tech did it. Based on what I found I don't think so. The last R4 would 'growl' when it engaged. If I had torn the system apart before ordering the kit I...
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    Sanden AC compressor install (almost)

    The professional is my brother's shop and he harps on doing it right. That said the work was done by a tech that is long gone and after the fact we figured out that he was taking short cuts. I found a black crushed and torn O-ring on a line that should have been taken off to to the job right...
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    Sanden AC compressor install (almost)

    After the 3rd R4 'pancake' compress failure in 18 months (all professionally installed), I decided to try one of the Sanden conversion kits. It came with a head on the compressor compatible with our lines, which was one of my concerns. The install was a bit fiddly, but mostly of the sort that...
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    8.6 axle prep

    This project should have taken a long day, or at most two days. And for the most part it was. I lost a week waiting for a brake line fitting that no one locally stocked. Another week wasted trying to get a driveshaft made locally, either way over priced to 2+ month wait time, so I shortened...
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    8.6 axle prep

    If it already pulled the most reliable visual queue will be that the axle tubes change diameter about two inches before the pumpkin. It is not a huge change, but unmistakable. A lot of internet chatter points to the lugs on the bottom of the pumpkin being square and not pointed, but I've found...
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    8.6 axle prep

    I received the last of the missing small bits to finish the brake install. The hybrid 1310/1350 u-joint also arrived and I assembled the new driveshaft only to find it to likely be too short. So I re-assembled the old driveshaft and I can get it installed but it takes a bit of fiddling...
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    8.6 axle prep

    I went down a bit different path. For the passenger side I drilled out the balance bar slot to allow the threaded through it. This gives me a small it of extra adjustment. For the drivers side, I cut the end off the cable than super carefully cut the outer sheath about 9" back from the...
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    8.6 axle prep

    Did not stop to take photos, but will grab a few before putting the wheels back on. Took about 3.5 hours to finish installing the new rear calipers and lines, dropping the old axle and lifting the new one into place. I had no excessively corroded hardware, which may have helped. It came out...
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    RenzFab??

    I may well be wrong and will delete this if corrected, but I found a post on the shop facebook that he passed away a few years ago and the shop is not making parts at this point... Edited instead of deleted to preserve context. So it appears the post on the shop facebook was not fully true...
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    8.6 axle prep

    If my measurement was correct, the stock shaft appears to be 32" u-joint center to center. Off the shelf length options that are close are 31.5 (not short enough) and 30.5. So I went with the second. Half an inch shorter than ideal should be fine and I can order a custom unit if I have to...
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    8.6 axle prep

    Typhoon. If UPS doesn't bugger it up a 14" CTS-V 4 piston setup will arrive on Tuesday, with an ABS delete. I started looking for the rear as I had the front planned/purchased, and knew the stock drum brakes were needing a refresh. Finding an 8.6 was just the cherry on top. Today I...
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    8.6 axle prep

    I was looking to to update to rear disc brakes and add a limited slip. Through a bit of digging, I also thought I found one of those elusive 8.6 units in a yard 600 miles away. The freight company lost it for about a week, but it finally arrived today. It is an 8.6. The yard did me a favor...
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    Motocam360 Plug n Play ECM

    Had not found the GRG channel on Youtube before. Looking forward to the rest of this series.
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    Sold

    Are the knuckles already modified? If so I'll take them, just let me know the shipping to 85531
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    Replacement HVAC vacuum control switch?

    The plastic spider valve is listed as NLA on all the major parts outlets. I had hoped for a replacement part number, but I may well just have to settle for a used part that I can test/recondition before use...
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    Replacement HVAC vacuum control switch?

    Every vent works properly except the floor vent. When I select heat I can hear a vacuum leak behind the switch and the airflow moves to the defroster. Before spending silly money on a used control panel to get a switch just as old and worn, has anyone found a workable replacement part? All...
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    Extrude hone intake & exhaust manifolds?

    I considered it while building a fresh engine. The intake and exhaust already flow better than the stock heads, so there isn't much benefit. If you can get it done for free, you might see some improvement in spool response from having the exhaust manifolds done, otherwise there are better...
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    Intercooler bracket questions

    No worries, I super appreciate the offer. The bracket I made is super ugly, but also can't be seen and does the job. And for 2500, I'm glad the thread helped you get to the root of your issue, so absolutely no offense was taken as knowledge was shared and we learned a bit more about our truck.
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