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  1. gpmorgan

    Members with 454 th400 10 bolt short wheel base trucks.

    I would put the slip yoke in the tranny and leave an inch or so for supension travel and measure from center to center on the u-joint caps.
  2. gpmorgan

    Rebuild, or replace

    I just had my 700r4 apart last weekend. 3-4 clutches were toast. I just replaced the 3-4 clutches with red alto clutches and added two extra frictions. Was my first trans teardown and I found you tube to be extremely helpful.
  3. gpmorgan

    Welding Rear 12 bolt GM axle

    I ran a welded rear end on an oval dirt trac car with no problem but I would never weld one that would see any street use.
  4. gpmorgan

    Timing issues?

    How old is the carb. Holley has been putting power valve protectors in quite some time. Advance that timing until you get valve rattle and then retard it a couple degrees.
  5. gpmorgan

    Griffin radiator FAIL!

    I was thinking about getting one of those griffin radiators but looks like I may need to reconsider.
  6. gpmorgan

    Griffin radiator FAIL!

    Oh yeah, went to our annual car show a couple of weeks ago and it just don't look right to me to see a 57 Belair or 67 chevelle ss with a ls.
  7. gpmorgan

    Griffin radiator FAIL!

    Ls rule no doubt, but I'm old school. I recently installed a dressed blueprint 632 tall deck in my 92. I managed to make a 10mpg tire shreading, transmission destroying machine out of it. Good thing it's a toy. Put one of those fitech units on it so I get to do some programming too. I've got...
  8. gpmorgan

    fitech install om 77 c10

    I'm using an aeromotive 340lpg, 90psi fuelpump. I installed it in place of the factory in tank pump. 3/8 supply line and 5/16 return. My truck is a 92 so it was easy to make the change.
  9. gpmorgan

    fitech install om 77 c10

    Just installed a 1200 hp unit on my truck. The temp sensor was a problem with mine. Would read 20 degrees cooler than my guage. Got a new one for a 97 vortec 350 and problem solved. There are some adjustments I had to do to my afr settings to get the surge to stop during cruse and acceleration ...
  10. gpmorgan

    Blinkers dont work

    Probably going to be a bad combination (blinker)switch on the column. Have to remove steering wheel to replace.
  11. gpmorgan

    having a problem need advise

    If that is an EFI engine, I would check for moisture in the dizzy cap.
  12. gpmorgan

    76 C-20 will not crank over unless steering wheel is tilted down

    I reread your post. Did you get the new switch adjusted properly ?
  13. gpmorgan

    76 C-20 will not crank over unless steering wheel is tilted down

    You probably need to adjust or replace the ign switch that's mounted on top of the column under the dash.
  14. gpmorgan

    Engine Question?

    That combination might be a little low on compression if using stock pistons.
  15. gpmorgan

    Help! Pinion Bearing question

    If your just replacing the bearings, the old shims should do just fine. The first one I did I used a 3/4 drive pull handle and a hydraulic jack to start the sleeve to crush. The last one I did I used a 3/4 impact. As stated, once it starts to crush and there is no slack in the bearing, tighten...
  16. gpmorgan

    no gas to engine

    Set a gas jug under the fuel pump and put the suction hose from the pump in it and see if it starts. If it does, do as mentioned above.
  17. gpmorgan

    pcv valve rattles after valve cover change

    It's going to such oil through the pvc valve and probably foul the #1 spark plug after a while. The baffle might quite the valve down some also.
  18. gpmorgan

    pcv valve rattles after valve cover change

    Does the new valve cover have an oil baffle under the pvc valve?
  19. gpmorgan

    Leaky rear end

    Make sure the vent tube is not clogged causing internal pressure.
  20. gpmorgan

    Diagnosing a bad column?

    Is it a tilt collumn? Might be best to just replace collumn . That's just my opinion.
  21. gpmorgan

    700r4 only shifts when I let off the gas.

    Did you install the TV cable and get it adjusted correctly ?
  22. gpmorgan

    Questions about 383

    The one 383 I helped a friend of mine build had the oil pan rail clearanced also. I don't see that on your engine. The oil pan was also made to accept the stroke.
  23. gpmorgan

    Rear end identification?

    That would be a good idea. It might have 30 year old oil in it. Just count the number of teeth on the ring and pinion gears and divide the ring gear number by the pinon number. Ring divided by pinion equals ratio.
  24. gpmorgan

    gear selection

    As long as you aren't pulling a trailer just leave it in D. It will only shift into OD if it needs to.
  25. gpmorgan

    700R4 selection

    Just normal driving it goes in about 35 mph with the 410 gearing. When it had the original 308 gears it was about 45 mph. The 2500 stalls just enough to let it idle in gear with no problems. If I was running it on the strip, it would need at least a 4500 stall to make a really hard launch. I...

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