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  1. DrCharles

    Heater core shutoff

    I have done that on my truck... definitely helps the a/c work better. I'll have to sort through the pile of parts invoices to see which valve I bought.
  2. DrCharles

    So what did you do with your truck today?

    Today I torqued the eight exhaust manifold bolts to 35 ft-lb, then finished reassembling the turbo plumbing (with 7/16 bolts holding the Y to the manifold, and a thick coat of copper RTV on the outside of the shim collar). It slid up in there nice and tight ;Sweet... once the Y was secured, and...
  3. DrCharles

    Lower oil pressure with new turbo?

    Thanks. I didn't mean it was an actual light... but the original sender was a switch, not a variable resistor, so at any oil pressure over about 7 psi, the gauge in the dash read right in the middle. So it was not even as useful as a red light to catch the eye. I fixed it by replacing the sender...
  4. DrCharles

    So what did you do with your truck today?

    I used to have a valve cover leak that would not quit even with new gaskets... I finally discovered there was a load of debris in one of the cover bolt holes that caused the bolt to bottom out before the gasket was compressed properly. After cleaning and chasing all the holes (pair of rebuilt...
  5. DrCharles

    Lower oil pressure with new turbo?

    Hacked, where is your oil pressure sender (stock location on the top, all the way at the rear of the engine)? I seem to recall that the original "idiot light" sender was screwed in there, but it's been a while. If you're using a mechanical gauge too, where'd you tap it?
  6. DrCharles

    Fule injection and glow plug s

    Well, *I* gained something - maintaining fuel pressure on long pulls which the electric pump wasn't doing! And (re)gained the ability to turn the key and pump air out of the system without killing the batteries and starter. As I already mentioned. I didn't just add the electric one, I tried...
  7. DrCharles

    Lower oil pressure with new turbo?

    Thanks. Where do you access that gallery? It must be a relatively long run of hose from a port on the driver's side all the way to the top of the turbo?
  8. DrCharles

    Lower oil pressure with new turbo?

    A couple years ago I put a factory turbo setup on my 7.3NA and promptly was reminded that the turbo needed a rebuild. So I bought a Chinese $200 cartridge. Worked great for a year, and the oil pressure (dash gauge with resistor jumpered and a variable sender mounted on the turbo oil feed...
  9. DrCharles

    Fule injection and glow plug s

    I found that the usually recommended Facet lift pump couldn't quite keep up with the increased fuel demands once I turboed my 7.3 NA. (light would come on above 6 psi boost and I am running 10-11). I also wanted to retain the ability to prime without wearing out the batteries and starter... so...
  10. DrCharles

    So what did you do with your truck today?

    Today I worked on my leaky plumbing... removed the right side exhaust manifold. Surprisingly easy since the bolts can either be reached from above or through the openings in the fender liner. Also the heads were replaced with rebuilt ones a few years ago. Three of the bolts came out stiffly and...
  11. DrCharles

    Good price for used factory turbo?

    How much money, time and effort are you prepared to spend here? As you will find, IDIs are not cheap to build even stock, let alone significantly modified... "Speed costs money, son. How fast do you want to go?" I ask because you're looking at a used factory turbo kit, which hints that your...
  12. DrCharles

    Good price for used factory turbo?

    I'd see if you can get the whole works for less than 950... and the turbo is almost certainly in need of a rebuild, which you may be able to do yourself. As already mentioned, ditch the factory crushed downpipe. A Banks downpipe fits after you lay over the firewall pinch weld with a hammer. At...
  13. DrCharles

    So what did you do with your truck today?

    I had an expiring coupon for $13 off an oil change at my local quick-change place that usually can be trusted... they got it done, but they also took it upon themselves to top up the very low oil in my BW1356 transfer case... with GL5 80W-90! I asked *** did they do that for and 1) they said it...
  14. DrCharles

    So what did you do with your truck today?

    Replaced the ready-to-grenade Chinese turbo with a CDD (upgraded wheel). But I didn't line up the slip joint and it's leaking noisily and with 0-1 psi boost :( More entertainingly, when I first fired it up, I didn't notice that the turbo oil feed gasket had fallen out of place. When the oil...
  15. DrCharles

    7.3 IDI definite exhaust leak

    Update: I bought one of those $200 Chinese turbo cartridges and could make the desired 10-11 psi with the wastegate disconnected. But it only lasted a year before the occasional unholy squawk (blades scraping on the housing) started. I thought for the price it was worth the experiment, but...
  16. DrCharles

    4.56 gears???

    I think you mean Brown & Lipe aka a "brownie", or a Spicer? Either way, an auxiliary transmission :) I put a Spicer 5831 in my '65 F-350 (behind the NP435). It's fun to upshift in reverse, twice :D
  17. DrCharles

    7.3 idi Turbo Blanket?

    Just search on ebay for "Turbo Blanket" and you get more than 2000 hits ;) I put one on mine when I added the factory turbo setup (and Banks downpipe) to my 7.3 NA. Seems to do what it's supposed to. I am thinking of wrapping that long crossover pipe too, but I don't want it to rust out which...
  18. DrCharles

    1994 F350 idi..... with a gear vendor o/d and an exhaust brake

    Thanks for posting, Scott. I thought it was clear that when I said "between the engine and transmission", I meant that the 2-speed auxiliary transmission bolted to the bellhousing and the original transmission bolted to the auxiliary. I've never seen one with an integral bellhousing either.
  19. DrCharles

    1994 F350 idi..... with a gear vendor o/d and an exhaust brake

    There was also the "Ranger two-speed" from Advance Adapters I think, that mounted between the engine and the transmission, and was fully mechanical (shift lever). Its only disadvantage was that it moved everything in the driveline seven inches backwards.
  20. DrCharles

    Lunk head PO was running water

    That external crack probably could be repaired by stitching (is that what they mean by "cold welding"?) but how many more cracks are there which you haven't found yet... by the time you strip it all the way down and magnaflux it, you might as well have got another engine.
  21. DrCharles

    Motor oil pain plug repair

    1100 degrees is not the temperature in the oil pan... And the engine will not "blow up" (as in block pieces flying everywhere like a Bruce Willis movie) - but I have seen pics of valley pans that are convex instead of concave from just such a repair attempt... That would be a bunch of...
  22. DrCharles

    Motor oil pain plug repair

    I'm wondering about the safety of welding on an oil pan, coated with oil on the inside... if the heat and sparks ignite the vapors, the valley pan (and maybe the oil pan too) will suddenly have a completely different shape... I guess it's possible to purge the interior with CO2 or argon, but...
  23. DrCharles

    FAN UPGRADE COOLING/OVERHEATING

    I agree that mechanical fans can eat a lot of hp. On the other hand, how many of them are measured in actual operation, rather than stationary on a dyno? My "other car" is a '72 Dodge Dart that I stuffed with a built-up 451. There is so little room for a mechanical fan that I installed a dual...
  24. DrCharles

    Changing to syn. oil and what filter u running?

    Interesting, Goat. Some years ago I had a '73 220D that I bought cheap with a knocking engine (had been run out of oil). I rebuilt it myself and it performed as well as a 3000 lb car with 60 flywheel hp could. Once broken in, I tried synthetic oil also. Immediately I noticed a "ball bearings in...
  25. DrCharles

    Dog chewed through wires :( 87 6.9

    Welcome to the forum :) That looks quite fixable, but it all has to be done over again! Twist & tape, and use of vinyl electrical tape, is not an acceptable repair except in emergency... Especially where subject to weather. Vinyl tape inevitably comes loose and sometimes falls off entirely. I...

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