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  1. 70DusterBob

    408, Small or Big Block? Need EGT Info

    Thanks, I've got the hammer down; the pedal to the metal, I've got every available brain cell on it and I am very close. I don't give up so it won't be long.
  2. 70DusterBob

    408, Small or Big Block? Need EGT Info

    Well, when fuel is vaporized better, it tends to burn hotter, or at least that is what everyone I have known tells me. I know the tune of the engine is everything. I know you can't tune to something that varies as much as EGT. I just want to be sure I am not going to burn a valve or anything. I...
  3. 70DusterBob

    408, Small or Big Block? Need EGT Info

    Lol, it helps if people read a question before they answer it. Ugh. I just asked a simple question. Or so I thought.
  4. 70DusterBob

    408, Small or Big Block? Need EGT Info

    That makes sense to me. I will use all of these as indicators. Thank you
  5. 70DusterBob

    408, Small or Big Block? Need EGT Info

    I appreciate that he at least answered the question. But that sounds like AFR to me. Any idea of the normal, and too hot range for the EGT is, at the primary tube 2-1/2 inches away from the head?
  6. 70DusterBob

    408, Small or Big Block? Need EGT Info

    Thanks!!!! I think you may have understood what I was asking and why. I appreciate it. I need to know what normal is, or the range, so I will know if "IT" is too high, not my tune. I am making mods, not trying to tune the engine. If the mod makes it hotter, I can then adjust the carb, maybe...
  7. 70DusterBob

    408, Small or Big Block? Need EGT Info

    Thank you for your reply. Sometimes people say things in a way that rubs me wrong and I can't understand what they are trying to say. But!! I am NOT trying to tune the engine to the EGT gauge. Like I said earlier, I am making modifications to the engine and need to see if the engine runs any...
  8. 70DusterBob

    408, Small or Big Block? Need EGT Info

    Again, screw your chunking the gauge, I'm gonna use it. I have someone working with me on the dist tune, you apparently don't know that but seem to think you know I'm not keeping an eye on it. It would be nice if you wouldn't try to tell me what to do, suggestions are appreciated, that's what...
  9. 70DusterBob

    408, Small or Big Block? Need EGT Info

    I know the 360 block makes it a small block, but the 408 insides make it a big block. I didn't know which category to post this question in. I got the EGT to keep an eye on the temps. I am making modifications to the engine and need to see if the engine runs any hotter with the mods or not. I...
  10. 70DusterBob

    408, Small or Big Block? Need EGT Info

    I have a 408, I've been told that the Small Block Category is the correct place for this post. I have edited this original post because there was too much confusion as to what I am looking for with EGT readings. I understand that there are a lot of variables that affect the EGT "Normal" reading...
  11. 70DusterBob

    [WANTED] Black 72 Dart Retracting Seat Belt Unit

    I need a retracting seat belt unit, I either need the passenger side black or both of them that emerald green type color, because my black drivers side still works. I need the parts mounted to the floor that retract the seat belts in a 1972 Dart or that will fit. I'm not sure what they are...
  12. 70DusterBob

    Not Hung Well...

    Thanks you guys, I was certain I had seen more than one hanger per side. And yup right in front of the rear wheels. I will check into the brackets mentioned.
  13. 70DusterBob

    Not Hung Well...

    LOL! Had a shop do some exhaust work for me. They connected the front of the dual 3" pipes on my 70 Duster to the headers, but only put ONE hanger in the back behind the axle. This can't be right can it? Seems like I have always seen another hanger in front of the axle to take the load off the...
  14. 70DusterBob

    Neg Batt Terminal Spark

    Don't have a url to put pic on. I can disconnect the relay easily. Then I will check for draw with the neg batt terminal and the neg batt clamp. Be right back.
  15. 70DusterBob

    Neg Batt Terminal Spark

    Yes the radiator fan relay has 12.56 on both sides of relay. Pull one side or the other? Pos has vacuum cap to keep from accidental connections
  16. 70DusterBob

    Neg Batt Terminal Spark

    Neg lead on neg terminal, pos lead on relay terminals both read 2.2
  17. 70DusterBob

    Neg Batt Terminal Spark

    Ec I checked the fan relay,, 2.2 millis also. Thats what it is right?
  18. 70DusterBob

    Neg Batt Terminal Spark

    2.20 Milli amps. Fuse box is a nightmare. Is 2.2 milli amps big or small?
  19. 70DusterBob

    Neg Batt Terminal Spark

    Well, I am not an electral engineer, but I put the neg lead on the neg terminal and the red lead on the positive terminal, got 12.56 volts. Fair enough. But then I kept the neg lead on the neg terminal and the red lead on the negative clamp while it was disconnected and guess what, it reads...
  20. 70DusterBob

    Strange Noise, Driveshaft?

    That could very well be it, the exhaust is very stiff. Could be binding, then not, then shift and make a different noise! I will definitely look into this! Thanks
  21. 70DusterBob

    Neg Batt Terminal Spark

    Lets hope your right that the fans are drawing power. I disconnected it for now, but it seems that since they sense the temp of the radiator all the time that they are probably it.
  22. 70DusterBob

    Neg Batt Terminal Spark

    I do have a multi meter. I'll go ahead and put it inline to see what it says and get back with you guys. May be a week though. Thanks, Bob
  23. 70DusterBob

    Neg Batt Terminal Spark

    I know it is normal for a neg batt terminal to spark a tiny bit when you connect it. But mine kinda sparks more than that. I have an MSD 6AL, and a Derale fan system that has a controller that turns the fans on when the radiator gets hot even if the key is off. Is it possibly one of these? I...
  24. 70DusterBob

    Strange Noise, Driveshaft?

    Towing it to a drive shaft place for a new custom drive shaft probably next week if possible. Not driving it.
  25. 70DusterBob

    Strange Noise, Driveshaft?

    Just got the center section from Dr Diff, online. Brand new race 8.75. I can jack the back up and look for play or noise this coming week. Hoping its a U-Joint.
  26. 70DusterBob

    Strange Noise, Driveshaft?

    It's a 70 Duster, 408/727 ton of work just done to it 6 mo ago. New engine, new trans, new 8.75, rear brakes were gone through. But the people who put it together were apparently not all they said they were, found multiple mistakes, bad ones too. They replaced the drive shaft but didn't tell me...
  27. 70DusterBob

    Strange Noise, Driveshaft?

    The U-Joints are new. Could they be dry or maybe a needle bearing not seated right?
  28. 70DusterBob

    Strange Noise, Driveshaft?

    LOL, not drinking... No psychedelic mushrooms either, lol!!! It only makes the noise one time when I slow down, then it doesn't do it until I speed up to about 10-12 mph, then slow down again, very strange. It is either the pop, or the ding, or the boing noise. Like when you have a 3/8" tall...
  29. 70DusterBob

    Strange Noise, Driveshaft?

    I don't know why it seems I get all the strange problems, I have asked 8 mechanics whom I rely on for expertise and knowledge and they are all scratching their head on this one. I will start from a dead stop, bring it up to 10 mph, let off the gas, then slow back down. I can either hit the...
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