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  1. TDoc

    Gauges Paint

    I just repainted the gauge needles and red markings using model paint on my 1979 K10. Turned out great. The paint levels out really well but you can tell it’s been painted. Still a big improvement over the faded look.
  2. TDoc

    Carpet vs vinyl

    I just installed new cut pile carpet kit from ACC via rock auto on my 86 K5 blazer custom deluxe. It originally had vinyl which was so brittle and dried out it was breaking off in chunks. I opted for carpet since a complete vinyl kit was the same price as the cutpile carpet kit. Carpet kit also...
  3. TDoc

    700R4 Information Thread

    Adding an external transmission oil cooler. I’ll run that along with the stock cooler/heater in the radiator. Hayden 689 external transmission oil cooler https://a.co/d/9TGn6sa Hayden 383 transmission line to hose adapters https://a.co/d/8efDvI4
  4. TDoc

    700R4 Information Thread

    The previous owner of my k5 said the owner before him owned a transmission shop so I’m sure my transmission has been replaced or rebuilt at least once. Everything is covered in nearly 40 years of oil and dirt, I haven’t been able to see a reman sticker.
  5. TDoc

    Gauge Cluster Swap

    Correct. The temp gauge I have reads 210 at the 12 o’clock position. I am using the temp sensor that matches the temp gauge year wise. I verified with the add in temp gauge the PO installed that the factory gauge is reading correctly. Other years had temp gauges that read 180 at 12 o’clock...
  6. TDoc

    Instrument cluster swap from Idiot lights to full gauges K5 K10 K20 K30 C10 C20 C30

    All gauges are working! I also ordered a small fuel gauge and large factory tachometer. Once that arrives I’ll post a pic. Important note on factory tach! You must remove the metal clips that connect the circuit board of the gauge pod to the factory tach. You will destroy the factory tach if...
  7. TDoc

    Gauge Cluster Swap

    https://www.gmsquarebody.com/threads/instrument-cluster-swap-from-idiot-lights-to-full-gauges-k5-k10-k20-k30-c10-c20-c30.45632/#post-966363 I started a new thread on swapping from idiot lights to gauges. I have all the gauges working, just waiting for my factory tach to show up.
  8. TDoc

    K5 Blazer values… possibly buying 86 k5

    I’m not a huge fan of these wheels but ditching the dented center caps and discolored hub rings helped. I saw a gold set for sale on marketplace but haven’t seen the red or blue. I found a set of original k5 15” 6 hole aluminum rims on marketplace, they need polished bad but guy only asking...
  9. TDoc

    K5 Blazer values… possibly buying 86 k5

    New grill, headlight surrounds, parking lights and taillights really freshened it up. Waiting for interior carpet kit to show. Also started another thread on converting from idiot lights to full gauges instrument cluster. Hit the paint with a buffer, compound and polish. Really brightened...
  10. TDoc

    Instrument cluster swap from Idiot lights to full gauges K5 K10 K20 K30 C10 C20 C30

    Here’s what my instrument cluster plug looks like after repining it from idiot lights to gauges. This is with the large fuel gauge next to Speedo and volts, oil pressure and coolant temperature. Oil pressure sensor wire goes to pin 5. I had to run a new wire from the sensor to the cluster...
  11. TDoc

    700R4 Information Thread

    Still need to do a pressure test once it warms up but I hooked up the vacuum pressure switch for the 700R4 that has been disconnected for many years since the vacuum hose had disintegrated. The gear upshifts went from firm to soft. Downshifts feel the same. Still can’t tell if torque converter...
  12. TDoc

    Gauge Cluster Swap

    That is exactly where the oil pressure switch was in my k5. Yours is probably mounted in a 45 degree fitting. My switch was straight in with no angle fitting which is required when switching from pressure switch to pressure gauge.
  13. TDoc

    Instrument cluster swap from Idiot lights to full gauges K5 K10 K20 K30 C10 C20 C30

    What part number temp sensor are you using? What does your temperature gauge look like? The standard cold and hot or does it actually have numbers 100 for cold and 250 for hot?
  14. TDoc

    700R4 Information Thread

    I’ll have to double check but that vacuum switch next to the brake booster has had no vacuum to it for a long time. Vacuum line from manifold to that switch has long rotted away. So with that switch getting no vacuum my torque converter lockup was always engaged?
  15. TDoc

    Where to get Chevy Rally Wheels

    Looking for 16" or 17" wheels for my 1986 4WD Blazer 6 lug. Local craigslist and marketplace, people want $500+ for steel rally wheels. I see summit racing carries aluminum rally wheels $140 each 15" or $200 each 17". https://www.summitracing.com/itemgroup/summit-racing-alumarally-wheels...
  16. TDoc

    700R4 Information Thread

    $40 isn’t bad. I’ll buy one. Reading through the pressure check procedure you keep engine at 1k rpm and check pressures with the cable in its normal min position and then manually pull the cable but leave throttle at idle yes? There is no manual lockup switch in the cab, it once had a trailer...
  17. TDoc

    LE9 305 w ESC Performance upgrades '86 k5 Blazer

    I'll have to look for the head casting numbers where ever those are. The engine is caked in 40 years of oil and dirt.
  18. TDoc

    700R4 Information Thread

    Thanks for all the detailed information Nick! I have a tachometer on order and will need to rent or by a pressure gauge. The K5 Blazer was driven fairly regularly by the old guy I bought it from for 20k miles over 10 years and he said he never touched the transmission. It drives fine with no...
  19. TDoc

    700R4 Information Thread

    Hi all, I just picked up a '86 Blazer Custom Deluxe with the ESC LE9 305 v8, 700R4 and 3:73 gears NP208. It has 180 - 200k on it, prior owner wasn't sure of exact milelage but said PO 10 years ago owned a transmission rebuild shop. I noticed the truck shifted very firm when driving around...
  20. TDoc

    Instrument cluster swap from Idiot lights to full gauges K5 K10 K20 K30 C10 C20 C30

    Here's a quick write up while this is still fresh in my mind. I picked up a 1986 K5 Blazer Custom Deluxe that had the basic cluster with only Speedometer, Large Fuel Gauge and 4 idiot lights for Battery, Oil, Temperature, Brake. I picked up another cluster at the junkyard. It was a 80s gauge...
  21. TDoc

    K5 Blazer values… possibly buying 86 k5

    We definitely pay a premium to live in Northern Arizona. Everything has gone up so much. I don’t think I could ever buy another place unless there’s a big market crash. Our only natural disaster is forest fires maybe a bad hail storm but hopefully that doesn’t happen since all my vehicles are...
  22. TDoc

    LE9 305 w ESC Performance upgrades '86 k5 Blazer

    I put a blueprint 400 sbc in my 79 k10. Also converted from 600cfm edelbrock carb to Holley Sniper 2 EFI. Wow what a difference from the tired old original 400. Stock 400 185HP 300TQ Blueprint 400 500HP 500TQ...
  23. TDoc

    K5 Blazer values… possibly buying 86 k5

    Fixed the problem of it stuck in 4WD by replacing the front hubs with mile marker 104 hubs.
  24. TDoc

    LE9 305 w ESC Performance upgrades '86 k5 Blazer

    The spark plugs in it look good so just going to leave those alone.
  25. TDoc

    LE9 305 w ESC Performance upgrades '86 k5 Blazer

    Spark plug recommendations? I’ve had good experiences with NGK G power (small platinum tip) and NGK V power (larger non platinum tip) They offer a two heat ranges: UR4 colder plug UR5 hotter plug I was thinking the hotter plug due to high mileage. Coolant temp runs 180 - 200.

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