Recent content by 1989 R3500

  1. 1989 R3500

    Can I use my stock 454 intake???

    Thank you for the reply's Grit Dog and 82sbshortbed. I have a Holley 650. From what I've read, that should be OK. Not too much or little. The intake I have wasn't designed for peanut port heads. So I'm going to find one of the Edelbrock 2161's. The reason I asked the question in the first...
  2. 1989 R3500

    Can I use my stock 454 intake???

    Exactly my point. Thank You
  3. 1989 R3500

    Can I use my stock 454 intake???

    I get that your a TBI fan. But you still gave no good reason NOT to use a carb other than you don't know how to pump a carb three time and hit the ignition when it's cold. Like I said, I've never had a problem. Thus asking what the advantages are. Been on here a while and never had anyone get...
  4. 1989 R3500

    Can I use my stock 454 intake???

    Can you elaborate on what part of "drivability will suffer" you mean? It won't run with an intake and carb? Gas mileage will go down? Won't start, idle? I've had many pre TBI square bodies and never had any trouble with them running great. My last was a 72 1/2 ton with an 305 and a stock...
  5. 1989 R3500

    Can I use my stock 454 intake???

    Can I get rid of the TBI and wiring mess and use a Edelbrock or Holley carb on my Stock intake. I believe the TBI sits on top of the adapter. If so I would like to use it for a while until I get to the rebuild of my engine. I don't know what kind of Carb. I can use. (spread bore, quadrajet...
  6. 1989 R3500

    Who sells 1989 TBI wire harness parts??

    I would like to replace the burnt, broken and brittle wire plugs and nozzle connectors. Does anyone sell them? I looked all over online. Maybe I'm not searching the right parts? Mine is a 1989 454. Any help is appreciated.
  7. 1989 R3500

    Anyone know what these numbers mean on my diff cover?

    I'm guessing that the last set is the date of manufacture. But the rest have me wondering. The only thing I can find is the 30809 number is obsolete, but it doesn't have which rear end it fits. Thanks in advance.
  8. 1989 R3500

    Thread Size for Dana 70 Diff Cover Bolt?????

    I know that the bolts are 3/8X16, but are they coarse or fine thread? Thanks in advance.
  9. 1989 R3500

    Where does the vacuum modulator on a TH400 go????

    I was rooting around under this truck I just bought and found the vacuum modulator line is off. I thought they connect to a hard line and go somewhere to the intake manifold. But I can't find any lines going down from the engine. It's a 454, TBI. Does anyone sell the hard line?
  10. 1989 R3500

    Anyone sell new Speedo needles?

    finished rebuilding my speedo today. Ended up using a tooth pick for the broken Needle. raided my wife's nail polish for something to repaint all the pointers looks good enough for me.
  11. 1989 R3500

    Which 4L80e do I need?

    Thank You for the replies gentleman. I am going to be converting the intake and TBI back to the dual plane/Holley carb set up that I have. I have the HEI already as well. My truck is the 2WD Dually so no transfer case to mess with. I read that there are an array of controller options as...
  12. 1989 R3500

    Which 4L80e do I need?

    I am wanting to start looking for a 4L80e transmission for my 1 Ton Dually. I have a TH400 right now that needs to be gone through. Might as well go up to an extra gear since I'm doing a lot of travelling. Mine is a 454 TBI and the Dana 70hd rear end. I'd like to find a good core but don't...
  13. 1989 R3500

    Anyone sell new Speedo needles?

    I broke my speedometer pointer by accident. LMC and Classic Industries don't have them from the look of it. Anyone replace on before? Thanks in advance.
  14. 1989 R3500

    Which rear diff fluid do I need for Dana 70HD?

    Thanks for the replies. I ordered Amsoils' 80w90 synthetic this afternoon.
  15. 1989 R3500

    Which rear diff fluid do I need for Dana 70HD?

    I'm getting ready to buy my parts for the rear differential on my 89 Chevy R3500 dually. Can someone tell me which diff oil is best? I.e 75/90, 75/140 etc. I'm probably going with Royal purple or Lucas. Thanks in advance.
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