1. MOUSE

    MOUSE Well-Known Member

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    whats the torque specs for a 904 flex plate and torque converter bolts? this is a 1970
     
  2. toolmanmike

    toolmanmike FABO Staff Staff Member FABO Gold Member

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    Tight! Sounds like you need a service manual. Download one from Mymopar.com I believe.
     
  3. RustyRatRod

    RustyRatRod Weenie idiot loser. FABO Gold Member

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    Flex plate to crankshaft bolts, red locktite and Ingersol Rand IR231C. Flex plate to converter bolts, red locktite and Snap On FAR72C.
     
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    • 70aarcuda

      70aarcuda Master Hoader of SBM FABO Gold Member

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      use blue loctite and never have a problem....but
       
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      • toolmanmike

        toolmanmike FABO Staff Staff Member FABO Gold Member

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        Red or blue which is it guys? LOL
         
      • 70aarcuda

        70aarcuda Master Hoader of SBM FABO Gold Member

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        mix it up.....well..I use blue and I dont torque the converter bolts either....lol
         
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        • Garrett Ellison

          Garrett Ellison Amateur driver on public roadway, do not imitate.. FABO Gold Member

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          Reminds me of what I've been told about industrial plumbing fittings before. Tighten it until you see black (the point at which you pass out!)...
           
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          • 3406pk

            3406pk Well-Known Member

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            I tried to torque converter to flex plate once to 200 in-lb IIRC. Stripped out 2 threads in convertor; so put on red loctite until could fix it 4 yrs later when trany out. Since then use blue loctite and just titen by feel with short 1/2" wrench.
             
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            • missing linc

              missing linc Loose nut behind the wheel FABO Gold Member

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              Loctite? Don't think I've ever used it on flexplate bolts, or convertor bolts for that matter. Maybe I've just gotten lucky. I pound the flexplate to crankshaft bolts with my impact, and use a box end wrench on the convertor bolts, being careful not to bust any more knuckles. LOL
               
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              • RustyRatRod

                RustyRatRod Weenie idiot loser. FABO Gold Member

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                I like red there. I don't slobber it all over. They say use blue on something you want to take back apart. Red is much stronger. I prefer red there........just don't use a pile of it.
                 
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                • missing linc

                  missing linc Loose nut behind the wheel FABO Gold Member

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                  Dr. Google brought me back to a thread here, (go figure) where barracudadave67 quoted from a '69 FSM that said 270 inch pounds (22.5 ft lbs) for the convertor bolts, and 55 ft lbs for the crank side.
                   
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                  • missing linc

                    missing linc Loose nut behind the wheel FABO Gold Member

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                    • toolmanmike

                      toolmanmike FABO Staff Staff Member FABO Gold Member

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                      I'm so friggen old there wasn't Locktite back then. You tightened them until they were tight. A little common sense goes a long way.
                       
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                      • 70aarcuda

                        70aarcuda Master Hoader of SBM FABO Gold Member

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                        99 % of the time i am tightening converter bolts with 7/16 thread....not the 5/16 stock ones..
                         
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                        • toolmanmike

                          toolmanmike FABO Staff Staff Member FABO Gold Member

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                          Tighten it until it breaks and back it off 1 turn. lol
                           
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                          • toolmanmike

                            toolmanmike FABO Staff Staff Member FABO Gold Member

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                            Just for the OP's information, what torque spec did we find wrong in the manual. Like rocker arm hold downs or something like that. People were twisting stuff off left and right.
                             
                          • RustyRatRod

                            RustyRatRod Weenie idiot loser. FABO Gold Member

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                            Yes sir. Almost all manuals have the rocker shaft bolt torque at 30 LB FT. It's 15-17.
                             
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                            • MOUSE

                              MOUSE Well-Known Member

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                              this is what I've always done but since this was a ground up build thought I'd be precise.
                               
                            • MOUSE

                              MOUSE Well-Known Member

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                              Thanks everyone . Tighten till it's tight. Blue lock tite. Got it .
                               
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                              • RustyRatRod

                                RustyRatRod Weenie idiot loser. FABO Gold Member

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                                Certainly nothing wrong with that!
                                 
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                                • missing linc

                                  missing linc Loose nut behind the wheel FABO Gold Member

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                                  Strip it and half a turn back?
                                   
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                                  • toolmanmike

                                    toolmanmike FABO Staff Staff Member FABO Gold Member

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                                    LOL

                                    torque.jpg
                                     
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                                    • pt70

                                      pt70 Well-Known Member

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                                      From a 1971 FSM: 6 or 8 cyl [not hemi]

                                      flexplate to crank ----- 7/16-20 [fine] ----- 55 ft/lbs
                                      flexplate to converter------5/16-24 [fine] ------270 in/lbs
                                       
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                                      • MOUSE

                                        MOUSE Well-Known Member

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