1. aaronk785

    aaronk785 Well-Known Member

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    • What is the recomended installed for the springs. You can get .050 plus locks to add height.
     
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    • dartfreak75

      dartfreak75 Restore it, Dont part it! FABO Gold Member

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      Those locks may come in handy can you get them in the 2 and 4 lock keepers?
       
    • 318willrun

      318willrun Utube channel 318willrun

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      I run 235/60R15's MT ET streets on the back of my 360 Duster. Let me tell ya, they hook!
       
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      • dartfreak75

        dartfreak75 Restore it, Dont part it! FABO Gold Member

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        How do they do on the street as far as everyday driving? I plan on driving this car to work and stuff like that so there maybe days its driven in the rain or wet dewy roads etc.
         
      • 318willrun

        318willrun Utube channel 318willrun

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        Great on dry roads, real smooth. I really don't recommend any drag radial for wet roads, their print is wide for traction. Perhaps have normal radials the same size for everyday, and drag radials for play time?? :)
         
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        • dartfreak75

          dartfreak75 Restore it, Dont part it! FABO Gold Member

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          Yea that's what I was thinking also. I would like to find a happy medium. I complete set of rallies I'm gonna redo eventually maybe I could put my driver tires on them and my play tires on the steelies.
           
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          • dartfreak75

            dartfreak75 Restore it, Dont part it! FABO Gold Member

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            I do have a question for you. When setting your timing what are the signs you look for to know what you need to do? For example let's say I'm at 12 initial and 32 advance (just throwing number out there) what would you look for to know if you need to add it back it off?
             
          • rumblefish360

            rumblefish360 So close, yet so far away FABO Gold Member

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            Slower times at the strip.
            For a hot street car, I recommend 20* to start and a mechanical at 34/36 for your iron heads. You can work it downwards at the track and look for improvement. If you can get away with more initial, go for it. It just makes the mechanical advance shorter and therefore quicker.
             
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            • RustyRatRod

              RustyRatRod Bla de blizhibliz de blatde blizi bla bla FABO Gold Member

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              DO you plan on riding your family around in that car? If so, no way would I run a drag radial on the street.
               
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              • 318willrun

                318willrun Utube channel 318willrun

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                Not sure if this question was for me, but I'll try to answer it. For initial, I have it idling about 700 rpm's with no vacuum advance. I bump the timing up (advance) about 3 degrees. Did the rpm's pick up? If so, back the idle (at the carb) down to 700 rpm's again and bump another 3 degrees. Same thing. When it doesn't pick up any rpm's, then go back to the last setting where it did. Then, the car needs to be fully warmed up - shut it off and let it sit for about 2 minutes. Then, restart and if it kicks back at the starter, pull about 2 degrees out (retard) and see if it kicks back again. If it does, pull another degree out till it doesn't kick back. For total, it will be just where your car performs the best. could be 33* or could be 38* for example. Same true with the recurve at what RPM the full advancement kicks in, meaning where it performs the best. And ALWAYS be listening for detonation
                 
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                • rumblefish360

                  rumblefish360 So close, yet so far away FABO Gold Member

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                  That above is what I was eluding to. Once you find out how much initial your engine takes without the starter kicking back when you try to start it, then work on the mechanical. Find out where it is stock, which is probably way to much and then start backing it down but by bit. Open chambered iron heads seem to like more advance.
                  Then work on the vacuum advance limits. That will be around 52*’s.

                  The engine will really respond to this & the car will just jump when you mash the pedal.
                   
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                  • Krooser

                    Krooser Reform School Graduate

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                    I see you are working in the same "garage" that I did for 40+ years. I often had to shovel snow to get to my car.

                    Kudos to you reusing the Mopar rods and crank...good stuff.
                     
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                    • RammerJammer75

                      RammerJammer75 Well-Known Member

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                      I have some stock valve covers, but I'm not sure what year they are. I will do my best to look and see if any are close to the year you want.
                       
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                      • dartfreak75

                        dartfreak75 Restore it, Dont part it! FABO Gold Member

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                        That's awesome stuff thank you. Ok 2 more stupid questions lol 1, what do you mean by starter kick back? 2, how do you adjust the total without changing the initial?
                         
                      • 318willrun

                        318willrun Utube channel 318willrun

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                        1. starter kick back is when you go to start and it acts like the starter dragged for a second.
                        2. You have to limit the amount of mechanical advancement in the distributor by closing the slots. The two weights swing out by centrifugal force and springs return them. You can weld the slots, or, use a FBO ignition plate. FBO allows you to go 2* at a time. Really nice and affordable
                        3. The spring tension is what determines at what RPM you get your full advancement.
                         
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                        • dartfreak75

                          dartfreak75 Restore it, Dont part it! FABO Gold Member

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                          Yea I'm working off the back deck and storing the engine in my laundry room. My wife isnt happy about that at all! Haha my tailgate on my old truck is my work bench and tool storage. Haha someday I hope to have a garage. Yea I wanted to keep it as original and "basic" as possible I wanted it to be a mopar engine like they was intended to be. I didn't want "scat" rods and "stroker" cranks and all that stuff just more money and more to worry about. My goal isnt a set ET or to have the fastest car I want a reliable strong running engine and I think mopar knows best.
                           
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                          • dartfreak75

                            dartfreak75 Restore it, Dont part it! FABO Gold Member

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                            Thanks man I appreciate that!
                             
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                            • rumblefish360

                              rumblefish360 So close, yet so far away FABO Gold Member

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                              Starter kick back is when the starter has a very hard time turning over which should not ever be the case and sometimes you can hear the starter struggle so much that it actually has a kick back like its “Kicking Back.” The resistance is to much and SPRING! It “Kicks.”

                              The adjustment(s) are the slots that the mechanical weights slide in. You can get a plate limiter from FBO @ foursecondsflat.com.

                              An adjustable vacuum can is needed to limit the vacuum timing and limit the slot to limit the amount.
                               
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                              • dartfreak75

                                dartfreak75 Restore it, Dont part it! FABO Gold Member

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                                So once you get the initial set you no long turn the distributor it's all inside springs and things! Lol I'm gonna have to take a look at my dissy this is something iv never done. I have set the timing before but I always just set them at initial and went with it. I have been looking at different timing lights and stuff. I have to get one and I guess I need one of those tapes that go around the balancer.
                                 
                              • dartfreak75

                                dartfreak75 Restore it, Dont part it! FABO Gold Member

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                                Thanks man awesome stuff I appreciate it!
                                So what makes the starter kick back like that? Maybe where the fuel is building up without getting burnt or something?
                                 
                              • Mopar Sam

                                Mopar Sam Well Fed Member

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                                If the starter kicks back with the timing that the motor wants at idle, you can wire in a toggle switch for the ignition only. A couple ruh ruhs of the starter and flip the switch.
                                 
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                                • 318willrun

                                  318willrun Utube channel 318willrun

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                                  i usually find where it wants to be at full advance. lets just use 36*. Then i set the initial, lets just say 21*. Your difference is 16*, so that is what you allow the mechanical advance to be. IF using the FBO plate, use the 16* slot and your set. Then you set what RPM you get your total advance with the springs.
                                   
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                                  • dartfreak75

                                    dartfreak75 Restore it, Dont part it! FABO Gold Member

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                                    Thanks as always that's good info I looked up the plate your talking about. I may go ahead and order one.
                                    https://www.manciniracing.com/fbomodilipl.html
                                     
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                                    • Ottmundr

                                      Ottmundr 68 Fastback

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                                      255/60/15 M/T sportsman ST here, and I am happy with them so far. I like the white lettering.
                                       
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                                      • Mopar Sam

                                        Mopar Sam Well Fed Member

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                                        Since I am cheap, here is how I do it. I drill out (you have to go easy, and have it clamped down good.) and tap one side of the advance plate for a 1/4" pipe plug. I put the plug in with loctite and grind it almost flush on both sides.
                                        I then drill to size using this chart. Note, only do 1 side or it doesn't work right.

                                        Modifying advance slots
                                        degrees / slot size Double for Crank Degrees. I usually start with a 19/64 , or 5/16 drill bit. For 4 or 5 degrees (8 or 10 crank)
                                        6.............. .340
                                        7................355
                                        8................375
                                        9................390
                                        10...............405
                                        11.5 ...........420
                                        12...............435
                                        13...............445
                                        14...............460
                                        15...............475
                                        16...............490
                                        17...............505
                                        18...............520

                                        [​IMG]


                                        [​IMG]
                                         
                                        Last edited: Sep 22, 2020
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