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  1. Bextreme04

    help me find this ticking noise on my truck ( 1978 Chevy C10 305 )

    Video would help. What have you changed most recently before this problem started? My first thought is: 1) Exhaust leak 2) Spark plug wire melted and shorting to header/manifold 3) Cracked flex plate 4) Valvetrain contacting inside of valve cover
  2. Bextreme04

    700R4 Information Thread

    Like Nick said, Dex 3 or later. I run the blue bottle Valvoline Dex/Merc fluid from walmart in my TH400's and 4L80 that call for Dex III. It's $18/gallon. I run the red bottle Valvoline Maxlife or ACDelco Dex 6 in my 6L80 that calls for Dex 6. You can get it for $24/gallon at walmart. The...
  3. Bextreme04

    Fuel line

    I have this exact one on my 1980 K25 with a 350 and the original quadrajet. Fit like a champ and no issues. https://www.inlinetube.com/products/ctc7344
  4. Bextreme04

    87 blower motor

    Post a Pic? My AC equipped truck has a big red wire going into the relay providing direct power to the blower motor when Hi is selected. Then there are a few wires coming from the blower motor resistor going into the relay that are various shades of yellow and green. Then the purple wire goes...
  5. Bextreme04

    Where can I get a custom SPID label typed up?

    You can also hit the "Quote" button at the bottom of a post to directly respond to a specific post.
  6. Bextreme04

    Where can I get a custom SPID label typed up?

    Who are you asking? If you use the @ symbol and then type a screen name it will tag that person in your post. If you are asking gmachinz, he got kicked off this forum a few years ago for being kind of a dirtbag. He did good work when it made it to the customer, but I think he was having some...
  7. Bextreme04

    87 blower motor

    The blower motor power comes from two different spots. when the fan switch is on Hi, it trips the relay and makes a direct connection from that large red wire that runs across the firewall above the engine and goes to the bulkhead circuit breaker block near the brake booster. If the blower motor...
  8. Bextreme04

    Superduty Dana 60 into 86 2wd squarebody chevy

    That's not true. It is technically illegal on both the federal and state level to do it without going through the proper process with the referee. The second you put a gas engine into it, you are no longer exempt and it should be going on the regular 2 year smog check cycle. From a practical...
  9. Bextreme04

    Superduty Dana 60 into 86 2wd squarebody chevy

    So... you are converting a 2wd into a 4wd? Are you just going to ignore the emissions issues of converting a stock diesel to an LS? You technically would need to go to a referee and get a CARB number for the conversion to be legal. Your cheapest and easiest route is probably to get a junk...
  10. Bextreme04

    wiring msd ignition

    I would get a cheap waterproof relay box from Amazon or similar and use a different ignition signal(like the original wire to the HEI) to trigger the relay on. That way you get a clean, full battery power, signal to the MSD that isn't affected by all the power loss and voltage spikes it can get...
  11. Bextreme04

    Oil dripping around starter

    It depends on the oil pan installed. Standard is a 5 quart pan plus whatever is in the oil filter. Usually ~5.5-6 quarts total. You can check the dipstick level by looking at where the marks are on the dipstick when it is installed in the tube and the oil pan is removed. You can absolutely...
  12. Bextreme04

    Rearend gear ratios 1980-1987 most common

    My 74 C20 had 4.56 behind a 350/TH350. My 80 K25 has 4.10 behind a 350/TH400
  13. Bextreme04

    Whole A/C system Oil Capacity from R12 to R134A

    I would also recommend updating the stock orifice tube to a blue one when changing out to R134. It gives it almost stock R12 performance. I have an A6 compressor and blue orifice tube with the O.E. condenser and evaporator and it works awesome. ~50-55 degree upper vent temps with 100 degree...
  14. Bextreme04

    Whole A/C system Oil Capacity from R12 to R134A

    It depends entirely on what compressor you have. If you have the big A6 compressor it take significantly more oil because the compressor has a large reservoir at the bottom that you fill separately. Generally speaking, you should add some to every new component and then make up the difference to...
  15. Bextreme04

    Sad Discovery: GM 10 Bolt Fails

    My 2011 Suburban has a G80 10 bolt in it with 230k miles of towing and daily driving on it with no problems. If it was me, I'd buy a yukon duragrip, new ring&pinion in whatever gear ratio you want, and a rebuild kit. You be in it for ~$700 and it will last the rest of the time you own it.
  16. Bextreme04

    C10 LIMITED SLIP VS LOCKER VS SPOOL

    If you are doing limited daily driving and are mostly just straight line burnouts and donuts then a locker or spool is the way to go. If you daily drive it or want turning traction, then a posi/limited slip is the way to go. I've got a Yukon Grizzly locker in my 14BFF in the K25 because it was...
  17. Bextreme04

    Newbie Vortec Cam Question

    You will want a dual plane intake. The single plane is only going to be good for a throttle body style fuel injection. For a truck engine you will want something like this...
  18. Bextreme04

    81 k30 no fuel.

    yep, check for air leaks and cracked rubber lines. You can also check all this by pulling the hose at the mechanical pump, with a 3/8" barb to 3/8" barb to another small section of hose that has a small hole punched in it and stick your air compressor wand in the end. If fuel comes out, then...
  19. Bextreme04

    Anyone ever make/crimp their own high pressure hoses?

    I was just going to order a kit like this...
  20. Bextreme04

    Craziest antitheft idea yet.

    There's a big difference between trying to drag a Chevy cruise with the parking brake on and a 5400lb truck on 12.5" wide all terrain tires. That being said, it wouldn't stop someone with a rollback from pulling up and dragging it up and on, but it would make it much more of a PITA. Of course...
  21. Bextreme04

    thoughts on low vacuum?

    Is this an automatic or manual trans? It must be a pretty aggressive cam to have vacuum that low, which means it isn't going to like having a low stall converter or to be in lower RPM ranges. If you have an automatic and still using the stock converter, I would expect it to pull against the...
  22. Bextreme04

    LS swap transfer case options?

    either get a 4l80 and then use any 32 spline passenger drop TC, or you will need to use whatever TC comes with your 6L80. If you get a 6l80/90, you will need to get a billet front covered torque converter. 83 was a year or two too early for you to be able to just reuse your stock NP208 I...
  23. Bextreme04

    Have i decoded this VIN correctly????

    The only difference between 2wd and 4wd frame is the engine cradle and front spring mounts, so make sure you take really good pics of that whole area. You'll be able to tell real quick if it is an original 2wd frame converted to 4wd or if it is an original 4wd frame just from how the spring...
  24. Bextreme04

    Have i decoded this VIN correctly????

    On my 1980 K25, the frame stamping is visible by looking straight down between the cab and bed on the passenger side.
  25. Bextreme04

    Rear Shackle Bushing - Replaceable?

    ORD will sell you a complete greasable rear spring bushing set for ~$100. https://www.offroaddesign.com/greasable-rear-spring-and-shackle-bushing-kits-for-gm-trucks.html

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