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I know they make ready made mismatch bushings that racers sometimes use. We had an IH 706 top of the spindle nut that held the tie rod down, that finally wore (tractor had ~ 17,000 hours - not a typo) to where you couldn't keep the nut tight. After we'd had enough of it loosening up, we just...

That's my question/concern also. I've more often heard my dirt track racer friends talk about a tie rod reamer being 7 degrees. I will do more checking this coming week.

The Moog number for the tie rod end I got with be the same ES409R. My weekend days off work are Fri/Sat, so I'm done for now, but will get back at it again next weekend. The aluminum adjusters in the pic are from ProForged and believe the part # was listed for my '95 K2500 - search Summit...

I think I've got a solution - still needs to be bolted on the truck & aligned to confirm. Tie rod combination measures right. So got the O'Reilly store brand ES409R to mock up & see if it could work. The taper didn't fit the GMT800 knuckle as is. I had an Allstar Performance 9.56 degree/2"...

Thanks much Ferm! Both the GMT400 & GMT800 knuckle's tie-rod pad measures around 1.31" thick, so the second one with the 1.27" long taper may work if the big/little diameters & taper (don't know if tie-rods are commonly 10 degrees?) are right. Too tired tonight, but tomorrow, I'll see if...

I'll definitely do some more looking as eliminating the adaptor with a ready-made tie-rod end would be better. On Monday, I'll call the customer service line from that website with Moog database. I intend to use the GMT800 forged lower control arm & the matching Moog balljoint. I don't see...

http://www.moog-suspension-parts.com/universal_outer_tie_rod_ends.asp Not sure if this Moog database is everything they make, but I've found it a handy reference to search on other projects.

The tie-rod hole/taper in the GMT800 knuckle is bigger - from a rough quick measurement: 9/16 -> 11/16" As compared to the GMT400 tie-rod's 1/2 -> 5/8" I spent some time looking online looking last winter, but maybe should look more. Need to find a Moog or other table showing all the outer...

The challenges are the rod/thread size difference & one side of the adjuster sleeve needs reverse threads. Guess you could get a blank hex billet & drill each end the different size to make your own sleeve, but then you need to reverse thread one side. Then cut the inner GMT800 tie rod &...

That's why I didn't reinstall new bolts with it - just wondering other's experiences. Many OEM exhaust studs are thread locked into the head & need controlled heat application to remove w/o breaking. If you haven't seen bolts come out when properly torqued & with bracket, that makes me think...

Yes, the battery ground cables running from batteries to engine/chassis ground need to be same size as positive battery cables. The battery ground cables are the one/only path to batteries. Guess I got off track seeing the stranded ground straps & was thinking of the multiple, smaller ground...

The general reason is most chassis/body grounded loads have multiple paths thru chassis, engine block, etc., back to batteries. Multiple ground straps, some wiring harness grounds, etc. Electrical loads most always get their power thru one power supply wire - so it must be adequate to carry...

By initially getting the wrong braces, you mean the wrong Cognito braces to fit GMT400? I'll be interested to see how you like those over time. They seem like a good idea.

I wasn't certain if you're considering upgrading a GMT400 or GMT 800? For those wondering about the viability of adapting the 680 box, here's a pic of the GMT800 lower steering shaft, & the GMT 400 middle & upper shafts. The intermediate shaft's fit into the GMT800 lower shaft isn't quite...

Gather the pressure switch should run the fan when refrigerant temps are highest exiting the condenser so specifically when fan could do the most good? Imagine that does improve ac performance in the hottest weather when not moving, or vehicle just started to cool interior down. I'll have to...

Don't some upgrade to GMT800 or 900 body mount bushings? Or maybe just certain cab mount bushings? Seems like I've read at some point GM changed to bushings that isolate more than our trucks.

On my manual trans truck, I've moved the oil cooler to behind the skid plate (now ventilated) & have a thermostat controlled (or manual override switch) fan on it. While I didn't do that specifically to avoid AC issues, suppose it should help AC performance a bit. I have an electric fan I'd...

I've heard racers with custom modded boxes talk about being able to sense hydraulic fluid flow changes thru the steering wheel. Besides the potential for squeaking with poly bushings, it might be a good thing you went with rubber bushings. The poly bushings add considerably to feeling road...

I did it that way on mine also. Uses the stock relay setup. Essentially just a manual override of the stocak glowplug relay, with the diode to prevent backfeeding ECM.

OK, thanks. With everything new, hopefully that gives the best chance at decent service life. The new compressor is from GPD. The compressor it replaced was getting a bit noisy at 210k miles, but looked original by the Harrison stickers, etc. Given the amount of shavings/debris the old...