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Thanks Ferm. Will carefully anti-seize just the threads & get a little A/C system mineral oil for the O-rings. Gonna also replace a couple of the HVAC box air control doors while in there as they're deteriorated & fairly inexpensive.

I'm in the middle of replacing compressor, orifice tube, condenser, accumulator, etc. Had planned to try clean/flush evap core as described above. Turned out the evaporator fitting was seized onto the accumulator & while I got it apart, there was enough gauling I decided to replace the...

I'm in the process of replacing A/C components & also had a leaky heater core. Thought a pic of the heater core cover (firewall side is top of pic) would be helpful to show folks where the difficult to get at screw is on the cover. The cover wasn't too difficult to get off in my case. My...

Nice cut pics of the runners up to the valve bowl. Regarding installing hardened valve seats in the GM 6.5 heads, it's not uncommon. Years back, I had a local Kansas City cyl head shop (Noland Cylinder Heads) rework my stock heads. They'd done lot of work for a local fleet of the Frito-Lay...

Seems like I recall hearing theory that the marine injector's slightly bigger orifice size somewhat lowered the % of fuel bypassed by the injector at high end of the fuel delivery spectrum. Can't speak to whether or not it actually happens; haven't studied the internal passages that much...

I had read about some having that 2 second delay, but fortunately it isn't doing that in my application. I think this 760 style still has a load sensing component as it says it will blink twice as fast upon lamp failure. At this point, I've only replaced taillights with LED, plus a very...

To add another data point, I found a Littelfuse 760 style flasher with the correct 3 terminal pinout worked to fix hyper-flash from swapping to LED taillights on my '95 K2500. Found it at O'Reilly Auto. It's electronically timed, but still has audible clicks, albeit a little softer than the...

I also had this happen on my '95 a few years back. 200k of wear on the steering wheel could have looked better so didn't want to spend any $ for the new horn pad. Instead swapped in a Grant Signature aftermarket wheel.

Turbine exducer bore is about 25% larger than the GM-X series.

Here you go WW. This is still with the stock belt length & vac pump.

gmupfitter.com does look to have some good, common sense info in the "Best Practices" manuals on frame mods. Believe I can press bend some pieces for some reinforcements I do - or at least the upper bag/frame mount/additio, so it has gradual bends instead of the square edge I'd get from just...

Yes, definitely agree on the boxed upper mount being better - believe the Firestone Ride-Rite kit's upper mount is similar to what you made. I had considered removing a leaf or two, if it looked like the bags I get are durable enough to trust with a portion of the weight when the truck's...

So do the same treatment/mod - eg. adding plate to box things consistently front to back, so as not to create places where stresses could focus at the edge of where any reinforcement stops? Searching "Truck outfitter" keeps coming up with places the sell lots of truck accessories, but I...

Be happy to help. Just PM me an email or phone # & we'll touchbase as I get closer to some days away from work. Probably wouldn't be a bad idea to see if we could round up a meet of 6.5'rs local to the KC area sometime, as I think there are a few of us. We could probably also help one...

Wondering what diameter your bags are, & how you like them, now that you've run them a while? I'm considering airbagit's GMT400 kit - http://www.airbagit.com/1988-1998-CHEVROLET-C1500-Towing-Kits-p/towkit-gm88xb.htm Don't know if there's an airbag vendor supporting the site; if there are...

Just catching this issue started in this thread - responded to the other thread as well. If this behavior is happening very consistently, it might help to hook it to my GMTDScanTech & see if anything odd fueling-wise, etc., shows while it's doing it. I'm in Smithville, so fairly closeby. Won't...

If you don't have any luck diagnosing this, I've got the GMTD ScanTech that should connect to your OBDI truck & I'm fairly close, just north of town in Smithville. I've been working 7 days/wk covering some folks vacation time, but will have a day or 2 off the Thursday after next, Aug 8 or...

Don't believe so - the article was about the overall engine build including fabbed girdle, custom roller rockers, thermal barrier & friction reducing coatings, etc. Could be Peninsular would have some fuel economy, or at least gals/hr info from their marine engines that might correlate to...

I could get in touch with him & find out more, if somebody here had legitimate interest. Having seen the competitiveness of the pulling tractors they run, as well as some built for others, they know a little something about making big diesel hp. And I'm told the CNC facility he works at can do...

FWIW, there's a guy around here, that mentioned to me, "when you want to get crazy, I've got a machined from billet 6.5 block." I didn't inquire further, but his family has pretty serious tractor pulling experience & track record. So I don't necesarily doubt he's got something like that. If...