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  1. pduffyd

    AN fittings need to be drilled?

    Hi Bryans If you want AN fitting go to Aircraft Spruce. Real Aviation fittings that dont break the bank, I found them cheaper that most well known automotive shops. But the fittings tend to be blue. https://www.aircraftspruce.com/categories/aircraft_parts/ap/menus/ha/an.html
  2. pduffyd

    Throw out bearing sleeve question is there a difference from a two wheel drive to four wheel drive length of sleeve wise

    Sounds good. here is another site aswell for parts.
  3. pduffyd

    Throw out bearing sleeve question is there a difference from a two wheel drive to four wheel drive length of sleeve wise

    Hi twpeasley983. There are two different ones that I know of one is the HD for 2 ton SM465. with 1.5" dia input shaft. Then there is the SM465 with the smaller input shaft at 1-1/6" dia. Also be aware of the oil way passage in the bearing retainer face that supplies oil to the bearing. Go...
  4. pduffyd

    New member, Australia

    Welcome from Melbourne maaaaaaaaaaaaate!
  5. pduffyd

    Help - Inherited a 1978 C20 with SM465 disassembled

    Hi gijordan07. When I rebuilt mine a while back this guy took you through step by step. Site down with a beer and watch part 1 and 2.
  6. pduffyd

    Bell housing not fitting right?

    Hi pmehringer001. Here are a couple bellhouse part numbers for your 465. They are for the 12" clutch or smaller you can see the bigger casing on the bottom for clearance of the clutch pressure plate and flywheel. There are 2 im showing you one for the Z bar. The other for the external hydraulic...
  7. pduffyd

    Cracked frame/shock mounts help

    I have this kit on my C20. Works good. Where the cracks on the frame are, drill 1/8" holes at each end on the crack (stops the crack spreading further) then weld up the crack grind it back, paint, and use the offroad design kit. This is good for the rear end. The cracks are caused by the...
  8. pduffyd

    Tires Plus says my Dually tires are too heavy to balance.

    Worst case. Static balance them yourself. Put an old spindle in a well mounted vice. Mount the wheel and let gravity do its thing. Tape on fishing weights on the inside the wheel rim at the top until the wheel wont spin on its own to another location. Mark where the weights are, take them off...
  9. pduffyd

    Leaf Spring Install Advice - Won't line up, shackle angle

    Juan Cano, just looking at your completed setup, looking nice for sure. One thing I noticed, please make sure the axle spring purch is sitting flat with your springs. Looks like you need to rotate the axle a bit clockwise (pinion shaft end up a bit), as the axle spring purch doesnt look flat...
  10. pduffyd

    Are SM465 cases interchangeable

    Sqhead. Check put this site for some good info on SM465. https://www.novak-adapt.com/knowledge/transmissions/manual/sm465/
  11. pduffyd

    Long bed stepside box

    Damn thats exactly what I want for my 58 project!! Long way to come from Australia!! Lol
  12. pduffyd

    Noise in transmission while clutch is engaged sm465

    Looking at the sm465 trans, this is the input shaft, the bearing is behind the 4 bolt cover that the clutch release bearing slides on. That cover/retainer only goes on one way as there is an oil way in it to feed the bearing. I agree with prairiedrifter check out GebBuilt on youtube there is a...
  13. pduffyd

    Which clutch!?

    Hi Disco. One thing to make sure of before buying your clutch and deciding between the 11" or 12" version, check your bellhousing. Easy to do to know what you can or cant do. This is for the 11" clutch, note there is no big bulge on the bottom of the bellhouse, just nice smooth casting lines...
  14. pduffyd

    1976 GMC C35 SM465 to GM ZF6

    A youtube search is a help. Here is an example.
  15. pduffyd

    3 speed Column Shifter parts

    Ole buckskin. Have a look at this thread for some information. Gmpartswiki.com can help. Thread 'Parts manual for '87 GMC 3-speed column shift.' https://www.gmsquarebody.com/threads/parts-manual-for-87-gmc-3-speed-column-shift.42321/ Once you have a part number that is a start, without that...
  16. pduffyd

    Sm465 shift forks

    Redbody. For a full rebuild kit including the anti hop out (2nd gear L,1,2,3 ) 3rd gear mod go to Novak, but invest in the Felpro gasket kit. https://www.novak-adapt.com/catalog/transmission/transmission-parts/sm465-parts For a really good tutorial youtube how to rebuild a 465 go here...
  17. pduffyd

    Small block to big block swap. What do i need to know?

    Fastnlow86. I have an 88 454 mkiv in my 76 C20 square chassis. I was going to put an 4l80 behind it but the cost to do that didnt make sense to me. So I rebuilt my SM465 manual trans, and changed the diff gears from 4.11 to 3.42 in my 14 bff. Also im running the stock 800cfm qjet You can tell...
  18. pduffyd

    Priming a New Water Pump?

    I put a gm serpentine kit on my 350 v8. All was great until the rear bearing on my alternator cs130 quit. The alternator is a reman in the GM performance 12497698 kit, and the rear bearing is too small in the stock 105A cs130. But that squeal was there all the time and got worse with rpm. I...
  19. pduffyd

    Might have Over-torqued Rod Bolts 250 I6

    If you wanted to be sure you could plasti gauge the rods ends bearings to make sure the clearance is ok. Its your engine after all.
  20. pduffyd

    Might have Over-torqued Rod Bolts 250 I6

    As marineone said. Remember to get a couple pieces of small hose to fit over the rod bolt threads so you are sure not to nick the crank journal as you replace the bolts out and in. Simple trick to stop some (more) cussing! You arent the first to have over torqued a bolt. Thinking about the...
  21. pduffyd

    Might have Over-torqued Rod Bolts 250 I6

    Look at it this way. Do you want to pull the engine again and redo the bottom end if your lucky, if the rod bolts let go it could be rods through the block. Then you need a whole new L6. For the cost of a set of bearing shells and bolts. Replace them now, and know its good.
  22. pduffyd

    Muncie 4 Speed In A Truck?

    There is always a sm465, or, an nv4500 conversion. https://high-impact.net/nv4500-conversion-package-for-chevy-truck-with-sm465
  23. pduffyd

    350 TBI in California

    About the only way you are gonna know is the center bolt rocker covers. Get the adapters and go to the edge bolt and your done. Like these. https://www.amazon.com/dp/B00QY3SEKK/
  24. pduffyd

    Another speedometer thread, stopping and asking questions before I mess something up.

    BulletBob. That diagram is from the factory manual. Which if needed I can copy and do a pdf link from drop box. But you can go to places like this. http://tcase.rsgear.com/technical/diagrams/transmission-articles/gm-sm465-4-spd.aspx And see a breakdown of the 2wd and 4x4 box. Item 61 is the...
  25. pduffyd

    Is this a correct bracket?

    Travlr. Found these under 1976 C20 454ci. Rockauto. I was looking at the return line. Close?

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