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  1. GTR1999

    Sluggish Blower - 1975

    I agree, check the connections for dirt, corrosion, or just loose. Applying 12 vdc with a good ground will test it.
  2. GTR1999

    Got Bad News...

    Ray At a minimum they should ship them out to you today, Free of charge and you will have them on Friday without spending another dime. That is what I would have done, anyone with business sense would do the same for you.
  3. GTR1999

    Diff Gasket Sealant 80-82 ?

    I just answered on DC, Ultra Gray will work with gasket and gear oil. That is what I use.
  4. GTR1999

    Question: Differential Clutch Packs

    Be sure to use a quality sealant on the pinion yoke splines. I use Permatex Permashield now
  5. GTR1999

    Question: Rear Axle Spindle Removal Tool

    you should be able to hammer it out. That is just the beginning. To do the job right you have to check every part, then fit new parts that come in and don't fit, then setup the bearings,and assemble, finally dialing in the rotor runout.
  6. GTR1999

    Question: Rear Axle Spindle Removal Tool

    I have that tool and use it to only take up space in my cabinet. I build a lot of arms and never use a press or the spindle press. A 4 lb hammer with the knock off tool is all I use and haven't had one yet stop me. I show using a press in my old how-to threads, you can but you have to support...
  7. GTR1999

    Question: Differential Clutch Packs

    Yes you need to remove it and check it. Oil leaks typically are from the pinion seal or side seals but can also be from a bad cover gasket, cracked cover, blown out holes from too long bolts, overfilled and blowing out the vent, or a combination of several of these. The video only shows the...
  8. GTR1999

    Question: Differential Clutch Packs

    I saw you asked about the posi on your other thread so I figured I would answer here. First here is part one on posi tuning. Takes a little getting use to but you can do it. I made a machine but for years did it by hand. Tom's Eaton Posi Tune-Up Tutorial (Part One) - YouTube You have to...
  9. GTR1999

    Help! Transmission oil cooler.

    I have a 72 sb automatic and just use the radiator cooling setup. Not that the extra oil cooler is a bad idea, I just never needed it for street driving.
  10. GTR1999

    Question: Differential Clutch Packs

    Nice looking vette. Cool that you kept with you all over the world too and that you plan on rebuilding it. For the posi clutches the 71 came with what I coined as Snow Flake clutches. They were an attempt to eliminate posi chatter but didn't work only made them weaker and under abuse would...
  11. GTR1999

    Painting Heads on 1970

    1970 350 heads are cast iron and were painted orange with painted steel valve covers or aluminum covers. You can paint the heads just mask off and clean them good first. They were never white from the factory, at least I never saw any.
  12. GTR1999

    brake warning light/ distribution switch

    As you probably know, the light comes on when there is a pressure differential, there is nothing more then a spool that shifts position and makes the dash light switch. So that in case you loose one circuit, ie the front brakes, the light will come on as a warning- 60's technology. I found the...
  13. GTR1999

    Strut Arm Bushings (question)

    I machined up a tool to press them out and install them. Not too bad to do but I use a press. I have a couple to do this week.
  14. GTR1999

    Catalytic Converter-Off Road Pipe?

    Back when I was a part counter guy we had those pipes but had to pull them because of fed laws, that was 30 year ago.
  15. GTR1999

    Help! 72 C3 need motor advise!

    Hi John Sounds like you have a nice car there, I too have a 72 with the 350-200, TH400 and now 336 gears. What do you want to do with the car, drive it, race it, show it? Does the engine need to be rebuilt? There is no need to bore it 030" over if it's in spec and then it it could go 020 over...
  16. GTR1999

    Changing Rear End - Valuation Issue

    M-21 is the close ratio trans and works very well with 411 and 370/373 gears. You may not like it with a 336 gear, I wouldn't make that move but it's up to you. The M20 trans work better with all the ratios and that is what came with 336's, although I wouldn't use it with 308's until you have...
  17. GTR1999

    Steering Gear Box > Like Hens Teeth!

    you're better off rebuilding what you have then with most "rebuilt" boxes. If you need help let me know.
  18. GTR1999

    Warning! leaky radiator

    Very true, many times the plug is like my 72's and would hit the frame anyway. I just use a little gear pump( ebay has them) and a Milwaukee cordless drill to suck out 2 gallons from the radiator without the hassle of messing under the car with the hose or plug. Just did it last month when I...
  19. GTR1999

    1970 Tachometer

    The system is basic, cross gear that meshes with the gear on the main shaft, cable to the dash. You can spin the cable with a cordless drill to see if the needle moves. If so then the problem is in the distributor. If not then it's in the cable or tach head. Make sure the cable is seated...
  20. GTR1999

    Help! rear axle fluid and posi fluid

    Hey Mac yes that is the additive, looks like they changed the bottle configuration but still 4 oz. I still have the old bottles in stock. They haven't made it from whale oil in about 45 years I think. The # changed as well, used to be 1052358, now it's 88900330 about $13 a bottle
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