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The 7-1712-BL saddle groove at 3.75" is too long for the Spectra 850 radiator which is a bit over 3" wide on the ridge
The 7-1711-BL saddle groove at 2.75" was a closer fit for the Spectra 850 radiator, and fit perfectly when lengthened to 3" with a rotary tool.
The
I like the term "field repaint"......that exactly describes the quality/caliber of my work! Although my "field repaint" still not on par with that of cucvrus.......
Sorry for your issues, but amazing how timing works sometimes!
Hardest issue on my replacement was getting correct isolators for the Spectra 850......it's not was wide at the ridges as the OEM.....so made a custom fit as described above.
Otherwise, the Spectra 850 had all the correct fittings...
I used the Prothane 7-1711-BL isolators to re-install my Spectra B850 radiator......they were 2.75" long in the saddle groove underneath, and I used a rotary cutting tool to widen the saddle groove to 3" long to better fit the ridges on the Spectra radiator.
The Prothane 7-1712-BL were too long...
This stuff appears to be awesome......I bought two rolls and used one roll and a quarter of the second roll to line the floor of my cab in place of the OEM jute mat, which was quite nasty.
Brushed, sanded, and primed 2X the driver and passenger floor pans, and then cut and rolled the Peal and...
My '84 M1028 passenger floor had that fitting as well, and as suggested I removed it with a cut-off wheel......found a couple loose bolts and nuts under it......no wonder things were rattling in the cab!
No worries.....got the OEM flare nut to thread back in after carefully "cleaning" threads into another fitting and filing carefully between starter threads on the OEM flare nut......lesson learned = there can be no tension on the tubing when you thread the flare nut back in......I had probably...
Thanks for the tips.....think you're right that tubing is bent just enough off center that I can't get it to line up correctly and get the flare nut to thread in....really tough when it's the bottom line and you can't see it!
Bought some flare nuts from Autozone yesterday and verified that...
Re-installed the new radiator today but had two issues:
1) For the life of me could not get the lower transmission cooler line to thread back in - nothing appears cross threaded on the transmission cooler line nut or the radiator fitting, but can not get the cooler line nut to thread back...
Yes it appears to be a direct replacement, maybe 1/2" shorter than the OEM radiator.......last photo shows why I'm replacing the radiator. Flushed the heater core and engine block today, will begin re-assembly when the prothane isolators arrive.
I ordered Spectra Premium B850 through Autozone as well, and argued for a discount since RockAuto had same radiator for $40 less.....got a 10% discount at Autozone so out the door with tax and 16 pack of assorted O-rings was $320.....can't beat a lifetime warranty and in person resolution of any...
I'm northwest of Laredo along the river......I don't bow hunt, but I'm down there scouting then for rifle season.....I bought my M1028 a couple months back thinking it would be a great rig for my 2 man high rack in back.
I've not driven the truck enough to know if it would overheat.......radiator was not leaking.....but when I pulled the hoses I could see all kinds of gunk on the tubes.......some of it flaked off, some of it looks like goo that washes off if you get pressure enough on it.....but bottom line, if...
Which radiator shop in Houston? I'm on the NW side......bottom line rather than spend more to flush the OEM radiator, and still not know exactly what I have, I will spend the money on a new radiator.