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Battery suggestion for my 86 town car

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    #1

    Battery suggestion for my 86 town car

    Just what the title says... The battery I have now seems small to me, when I'm running the defrost/ heat I notice my turn signal slows down when I'm at a light... When I give more gas it speeds up.... I figure the batter doesn't have enought juice? Thoughts... Suggestions.... I have a Willard battery in my 98 grand marquis and that's a huge batt...
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    #2
    It's the shitty fire hazard 2g alternator. Upgrade to a 3g and embrace the idle amps.
    2020 F250 - 7.3 4x4 CCSB STX 3.55's - BAKFlip MX4
    2005 Grand Marquis GS - Marauder sway bars, Marauder exhaust, KYB's
    2003 Marauder - Trilogy # 8, JLT, kooks, 2.5" exhaust, 4.10's/31 spline, widened rear's, metco's, addco's, ridetech's 415hp/381tq
    1987 Colony Park - 03+ frame swap, blown Gen II Coyote, 6R80, ridetechs, stainless works, absolute money pit. WIP

    Comment

      #3
      +1 upgrade the alternator. Check out the 3G swap sticky here: http://www.grandmarq.net/vb/showthre...upgrade-README

      Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. -- Albert Einstein
      rides: 93 Crown Vic LX (The Red Velvet Cake), 2000 Crown Vic base model (Sandy), 2003 Expedition (the vacation beast)

      Originally posted by gadget73
      ... and it should all work like magic and unicorns and stuff.

      Originally posted by dmccaig
      Overhead, some poor bastards are flying in airplanes.

      Comment

        #4
        The 86 battery tray is smaller. You can change it to one from an 87+ and fit a bigger battery, but the alternator is the real problem.
        86 Lincoln Town Car (Galactica).
        5.0 HO, CompCams XE258,Scorpion 1.72 roller rockers, 3.55 K code rear, tow package, BHPerformance ported E7 heads, Tmoss Explorer intake, 65mm throttle body, Hedman 1 5/8" headers, 2.5" dual exhaust, ASP underdrive pulley

        91 Lincoln Mark VII LSC grandpa spec white and cranberry

        1984 Lincoln Continental TurboDiesel - rolls coal

        Originally posted by phayzer5
        I drive a Lincoln. I can't be bothered to shift like the peasants and rabble rousers

        Comment

          #5
          So no alternator is ready for bolt on ill have to alter a 3G one...


          Sent from my iPad using Tapatalk

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            #6
            Originally posted by Wheelgun357 View Post
            So no alternator is ready for bolt on ill have to alter a 3G one...


            Sent from my iPad using Tapatalk
            You can buy bolt on replacement 2g's but the 3G is a direct bolt on too depending on what car you get it from/for. They sell wiring kits too if you don't want to do that yourself. The 3G is just better so it makes no sense to buy a new 2g.
            1985 LTD Crown Victoria - Currently restoring after she caught fire! CFI to SEFI to Carb swap, all custom wiring, Duraspark 2 ignition, Motorcraft 2100 Carb, slicktop, Shorty headers dumped before rear axle, 140 Speedo, 3G alt, And currently building an engine for her.

            2000 Lincoln Town Car Signature Series - 165XXX, PI intake swap , 30 MPG Easy on the Highway, All options except dual exhaust. Currently looking for 2 front seats: Heated, Memory, and Light Graphite color!!

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              #7
              So what would be the direct bolt on replacement and wiring so that I'm not making holes bigger and all that stuff?


              Sent from my iPad using Tapatalk

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                #8
                That one I dunno. If anyone knows which models used the fatter bolts on the 3G, we can probably get a mod to add that info to the sticky.

                Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. -- Albert Einstein
                rides: 93 Crown Vic LX (The Red Velvet Cake), 2000 Crown Vic base model (Sandy), 2003 Expedition (the vacation beast)

                Originally posted by gadget73
                ... and it should all work like magic and unicorns and stuff.

                Originally posted by dmccaig
                Overhead, some poor bastards are flying in airplanes.

                Comment

                  #9
                  shouldn't need to make any holes bigger. you just use a nut and bolt on the top instead of the bolt like the stock setup. Or you find the appropriate tap and drill for it, and tap the 3g top ear to accept the stock bolt, whatever size that happens to be.
                  86 Lincoln Town Car (Galactica).
                  5.0 HO, CompCams XE258,Scorpion 1.72 roller rockers, 3.55 K code rear, tow package, BHPerformance ported E7 heads, Tmoss Explorer intake, 65mm throttle body, Hedman 1 5/8" headers, 2.5" dual exhaust, ASP underdrive pulley

                  91 Lincoln Mark VII LSC grandpa spec white and cranberry

                  1984 Lincoln Continental TurboDiesel - rolls coal

                  Originally posted by phayzer5
                  I drive a Lincoln. I can't be bothered to shift like the peasants and rabble rousers

                  Comment

                    #10
                    Originally posted by gadget73 View Post
                    The 86 battery tray is smaller. You can change it to one from an 87+ and fit a bigger battery, but the alternator is the real problem.
                    Matt told me the same thing, but my 85 has the same battery tray as all my other cars.
                    2020 F250 - 7.3 4x4 CCSB STX 3.55's - BAKFlip MX4
                    2005 Grand Marquis GS - Marauder sway bars, Marauder exhaust, KYB's
                    2003 Marauder - Trilogy # 8, JLT, kooks, 2.5" exhaust, 4.10's/31 spline, widened rear's, metco's, addco's, ridetech's 415hp/381tq
                    1987 Colony Park - 03+ frame swap, blown Gen II Coyote, 6R80, ridetechs, stainless works, absolute money pit. WIP

                    Comment

                      #11
                      You'll need at least an alternator from a 94 - 95 Mustang with a 5.0. Then Heli-Coil the upper hole. I believe I used a 3/8-18 thread on mine. I did mine back in '09, and never had an issue. My battery is a model 65. It has a 1050 CCA rating. These are the batteries used on E-450 cutaway vans that are used for our busses at work. This is the thread of the work I did on mine. http://www.grandmarq.net/vb/showthre...ESS&highlight= I'm sorry for the lack of pics. The old 2G fire bomb was 65 amps, and could not keep up with the simplest task. Forget using the rear defogger. The 3G idles at 70, and has never failed me. My charge cables off the alternator are overkill, but I got them from a wheelchair bus we were junking. Free is good, and having them in the exact length I needed was even better.

                      MIKE

                      Comment

                        #12
                        Originally posted by pantera77 View Post
                        Matt told me the same thing, but my 85 has the same battery tray as all my other cars.
                        It might be an 86-specific thing, or maybe an 86 Lincoln thing, but its definitely not the same as others. There are a bunch of wonky one-year parts on the 86.
                        86 Lincoln Town Car (Galactica).
                        5.0 HO, CompCams XE258,Scorpion 1.72 roller rockers, 3.55 K code rear, tow package, BHPerformance ported E7 heads, Tmoss Explorer intake, 65mm throttle body, Hedman 1 5/8" headers, 2.5" dual exhaust, ASP underdrive pulley

                        91 Lincoln Mark VII LSC grandpa spec white and cranberry

                        1984 Lincoln Continental TurboDiesel - rolls coal

                        Originally posted by phayzer5
                        I drive a Lincoln. I can't be bothered to shift like the peasants and rabble rousers

                        Comment

                          #13
                          Here's what's in there now.. Previous owner was cheap..
                          Attached Files

                          Comment

                            #14
                            Originally posted by gadget73 View Post
                            shouldn't need to make any holes bigger. you just use a nut and bolt on the top instead of the bolt like the stock setup. Or you find the appropriate tap and drill for it, and tap the 3g top ear to accept the stock bolt, whatever size that happens to be.
                            depending on the source of the 3G, the lower bracket bolt may be too fat for the alternator. I had to drill out the one I got off of a 5.0 t-bird. It wasn't an issue for me since I already had the nice carbide bits and it went through like a hot knife through butter.

                            Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. -- Albert Einstein
                            rides: 93 Crown Vic LX (The Red Velvet Cake), 2000 Crown Vic base model (Sandy), 2003 Expedition (the vacation beast)

                            Originally posted by gadget73
                            ... and it should all work like magic and unicorns and stuff.

                            Originally posted by dmccaig
                            Overhead, some poor bastards are flying in airplanes.

                            Comment

                              #15
                              the 2g alternator is garbage mines caught on fire at burger king with just the a/c on and the radio and amp not even running. Upgraded to 3g never been happier!

                              Comment

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