13.20 mph

Discussion in 'Mopar Racers Forum' started by moparraceman, Nov 29, 2018.

  1. moparraceman

    moparraceman Well-Known Member

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    buying a car he says it runs 13.20 in quarter with out all the particulars what would be a guess on the mph in the 1/4? also is a 360 mopar the same as a 360 amc ? parts interchange able ? thanks
     
  2. thesiren74

    thesiren74 Well-Known Member

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    101-104 thats what mine did
     
  3. thesiren74

    thesiren74 Well-Known Member

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    And no on the 360 interchange.
     
  4. 451Cuda

    451Cuda Well-Known Member

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    Yeah just over a hundred mph. If it has an AMC 360 don't turn it down, they run damn good.
     
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    • cawcislo

      cawcislo Member

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      Without a 60' time mph can be a bit tough. If the car didn't hook and spun and had difficulties hooking up it could be running higher mph, if it hooked hard with slicks the MPH could be lower. Rear end gearing can also make a big difference. Getting a car to launch hard off the line and get through that first 60' fast is what gets low ET's.
       
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      • toolmanmike

        toolmanmike FABO Staff Staff Member FABO Gold Member

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        • moparraceman

          moparraceman Well-Known Member

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          it has new TCI 2800-3000 CONVERTOR AND NEW 410 GEARS also alum intake and msd distributor used 750 edelbrock has 1.6 rockers [? dont know why they would put adjustable rockers on a hyd cam ]he didnt know what cam was in it has manual valve body i cant believe it went so slow ? what changes could i make to motor to get in 12sec range also has headers and mt drag radicals let me know what you think
           
        • Garry in AZ

          Garry in AZ Building a 9 second Valiant FABO Gold Member

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          Tough to give you input when we don't know what the car is... weight, differential, suspension, etc. Is it an AMC with an AMC 360? Javelin? Gremlin? AMX? Matador? Hornet?
          As far as getting into the 12's, it's almost there now... you can pick up 2 or 3 tenths with driving proficiency and air quality.
           
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          • moparraceman

            moparraceman Well-Known Member

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            its 1974 360 gremlin what stock horse power
             
          • 451Cuda

            451Cuda Well-Known Member

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            Gremlins never came with 360 so hard to say on the stock hp. Unless it's out of an early '70s muscle car, it's gonna be a mild smog engine.

            What makes AMC 360 and 401 great is the cylinder heads and tough bottom ends - you can make great hp with the right parts thrown at it.
             
          • Garry in AZ

            Garry in AZ Building a 9 second Valiant FABO Gold Member

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            451Cuda is right, Gremlins never came with a 360. The biggest factory motor was the anemic 304.

            If you know the year of the motor, here is a rough indication of stock horsepower:
            1970-71 was 285-295 HP
            1971-75 was 175-220 HP
            1976 was 140-180 HP
            later 360's were in the 160HP range, stock.

            From Wiki:
            This engine was used in the 1970 AMX as the base engine and also in the 1970 Rebel, 1971-1978 Matador, Jeep J-series trucks 1970-1987, Wagoneer (SJ) models from 1972 to 1984, Cherokee (SJ) from 1974 to 1983, as well as in the full-sized Grand Wagoneer from 1984 to 1991 - becoming the last carbureted engine used in an American-built vehicle. The 360 V8 was also installed in the Bricklin SV-1 sports car for 1974 model year.

            The 360 was the last AMC V8 to be manufactured. It continued to be produced after Chrysler bought American Motors in 1987 as the standard engine in the Jeep Grand Wagoneer through 1991, with the only modification being the "360" casting replaced with "5.9L" on the side of the block.
             
          • thesiren74

            thesiren74 Well-Known Member

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          • thesiren74

            thesiren74 Well-Known Member

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          • Locomotion

            Locomotion Well-Known Member

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            Gotta be careful with AMC because you have to know what to look for to tell if it's a 304, 343, 360, 390 or 401. Didn't they have a 290 V8 also? Similar situation exists with Mopar 273/318/340/360. Time slips would be nice to confirm ET's. Needless to say, aftermarket parts are much less common than for Mopars.

            A magazine did do a comparison between a Dodge Demon 340 & AMC Hornet 360, '71 or '72. 340 was faster but the 360 Hornet did pretty well.

            AMC did have Torqueflites in some applications. The bellhousing is different but I never researched any more than that.
             
          • thesiren74

            thesiren74 Well-Known Member

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            727 is exactly the same except for the bell housing, i rebuilt one for my dad behind his 401 in his cj7.
             
          • moparraceman

            moparraceman Well-Known Member

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            he said it was a 360 but 74 never offered a 360 in the gremlin he said it went 13.22 at 98 mile per hr in 1/4 mile ? he has nothing to back up any thing he says so didnt buy it rather have a duster or dart race car
             
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            • moparraceman

              moparraceman Well-Known Member

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              my the way thanks for the comments they help
               
            • hangn0ut

              hangn0ut Well-Known Member

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              Like any brand you need to know how healthy the motor is. How well it's sealed,all cylinders equal,yada yada. Same with the rest of the car.
               
            • Ottmundr

              Ottmundr 68 Fastback

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              My Gremlin came with a 304 and I LOVED gremlinizing fox body 5.0 moosetangs in that ugly beast.
               
            • RustyRatRod

              RustyRatRod Just another dumbass. FABO Gold Member

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              Gremlins are pretty light. You could get one with a fairly mild 304 in the 13s with no problem whatsoever........much less a 360.....AMC or Mopar. With simple bolt on parts such as intakes, headers, carburetors and camshafts, the 304 can be anything but "anemic". The AMC cylinder head is pretty good, since a lot of pro stock head configurations through the 70s used their port technology.
               
            • moparraceman

              moparraceman Well-Known Member

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              thanks he is saying its a 360 but gremlin never came with a 360 have to find out if motor has been changed thanks
               
            • grimreaper

              grimreaper Cross Member

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              Look on either side of the block right under the motor mount and the displacement should be cast in.
               
            • moparraceman

              moparraceman Well-Known Member

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              thanks will do
               
            • thesiren74

              thesiren74 Well-Known Member

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              Passenger side.
               
            • moparraceman

              moparraceman Well-Known Member

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              ok