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  • Need to know Gross Vehicle Weight for 63 Avanti R1

    Hey all, in order to run a GTechProRR test with my Avanti, to get a
    baseline HP rating, I need to know the Gross Weight. I am guessing
    its about 3450 pounds. It is a stripped base Avanti, no A/C, 3 spd
    manual trans, and I have aluminum wheels. I think I read that a 64
    Avanti with supercharger weighed in at 3600 pounds.

    I am doing a 60-0 braking distance test with the Mustang GT brakes
    before putting the Cobra brakes on probably next weekend.

    Will be interesting to see what HP is has. Rated : 240. Real : 190?

    Any input?

    Tom

    1963 Studebaker Avanti, 102,000, custom made brake brackets to mount 1998 Mustang GT 4 wheel disc brakes (soon to get 13" Cobra front brakes, 2003 Mustang Cobra 17" wheels, GM altenator, will be getting : 97 Camaro Z28 tan leather seats, 97 Camaro Z28 T-56 6-speed trans, Ported 'R3' style Avanti heads with stainless full flow valves, 'R3' 276 duration cam w/chrysler solid lifters, shortened push rods, aluminum cam gear, Edelbrock AFB Carb, GM HEI distributor, 8.8mm plug wires, waiting in the garage.

  • #2
    This was posted a week or two ago on the Avanti group:

    To: avanti@yahoogroups.com
    From: "Thomas" <tc-is@usa.net> Add to Address Book Add Mobile Alert
    Date: Sun, 14 May 2006 02:03:35 -0000
    Subject: [avanti] Weighed my '63 R2 today & car show fun

    I had noticed several different weights given for the Avanti, so I
    decided to see what my '63 weighed in on a certified scale.

    With a full tank of fuel it was 3,630 lbs, with 2,090 lbs over the
    front wheels. Once 160 lbs of fuel weight is subtracted that leaves
    3,470 for the car itself.

    Car details:
    R2, 4 speed manual trans, power brakes, power steering, power
    windows, aftermarket wire wheels.

    It was a little bit more total weight than I had hoped for, but with
    less front end weight than I had expected.

    Today I also went to an early morning car show. A fair number of
    people knew what they were looking at - but I did have one numskull
    provide entertainment with off the wall questions and comments. He
    wanted to know if mine had a Monte Carlo frame. I patiently
    explained that it was not until the mid '80's that other than
    Studebaker style frames were used. He still had a hard time grasping
    why my '63 didn't have a mid '80's Monte Carlo frame. Even after I
    pointed to my 8.5" x 11" display card with "1963" clearly printed out
    he still had difficulty understanding. He also grilled me about how
    fast I had driven the car. When I said that on the freeway I've done
    maybe 80 mph max, he insisted on knowing what I've done flat out on
    the top end. He said that if Andy Granatelli had gone 158 mph in
    a "stock" R2, that he wanted to know if I had backed it up! So I
    told him that sadly, I had not been asked along to Jean Nevada or
    Bonneville for top end speed runs in '62-'63

    Thomas






    Dwain G.

    Comment


    • #3
      quote:Originally posted by Dwain G.

      This was posted a week or two ago on the Avanti group:

      To: avanti@yahoogroups.com
      From: "Thomas" <tc-is@usa.net> Add to Address Book Add Mobile Alert
      Date: Sun, 14 May 2006 02:03:35 -0000
      Subject: [avanti] Weighed my '63 R2 today & car show fun
      Thanks, I think that "Thomas" might have posted some of that info on
      one of the forums. Anyone from the Avanti Yahoo group really should
      get their butts over to the AOAI forum instead - thats what its for.
      The AOAI forum is WAY too slow in posts, Avanti owners are doing them
      selves a dis-service by not utilizing the forum format available.

      So then I guess 3450 would be too high, the supercharger has got to
      weight 50 to 100 pounds, no power windows, cant afford a full tank of
      premium at 3.60 a gallon .. so maybe 3380? Of course that info didnt
      include if it was with or without driver. So back up to 3450.....?

      Tom
      '63 Avanti R1, '03 Mustang Cobra 13" front disc/98 GT rear brakes, 03 Cobra 17" wheels, GM alt, 97 Z28 leather seats, TKO 5-spd, Ported heads w/SST full flow valves.
      Check out my disc brake adapters to install 1994-2004 Mustang disc brakes on your Studebaker!!
      http://forum.studebakerdriversclub.c...bracket-update
      I have also written many TECH how to articles, do a search for my Forum name to find them

      Comment


      • #4
        Tom, My 63 R2007 weighs 3445 with a 1/4 tank of fuel R1 auto it would go over 3650 with my fat butt in it.

        Comment


        • #5
          quote:Originally posted by Alan

          Tom, My 63 R2007 weighs 3445 with a 1/4 tank of fuel R1 auto it would go over 3650 with my fat butt in it.
          Wonder what the weight difference between the auto and the 3 spd is.
          Maybe under 3400 pounds? If thats the case, then 3550 with me in it?[:I]

          That sounds like a good number to start with.

          Tom
          '63 Avanti R1, '03 Mustang Cobra 13" front disc/98 GT rear brakes, 03 Cobra 17" wheels, GM alt, 97 Z28 leather seats, TKO 5-spd, Ported heads w/SST full flow valves.
          Check out my disc brake adapters to install 1994-2004 Mustang disc brakes on your Studebaker!!
          http://forum.studebakerdriversclub.c...bracket-update
          I have also written many TECH how to articles, do a search for my Forum name to find them

          Comment


          • #6
            The SN60 Paxton is lighter than you think: smallish impeller, diecast magnesium case etc. It weighs 24 lbs. The cast iron bracket weighs ~ 11 lbs. The power window lift motors are ~ 7 lbs each. I'm not sure on the difference in weight between your 3 speed manual trans and the PowerShift trans, maybe 30 lbs.

            You will waste more time trying to "guess" your car's weight than the time to simply drive over to the nearest certified scale - trust me, there are scales near you. I always weigh my cars with a full tank because it is so easy to subtract weight for a partially filled tank.

            If I remember right your engine has not yet received the R3 heads and cam, right?

            Even is "as new" condition, there was not a single R1 that put out 240 hp to the rear wheels. Besides, the old '60's era "gross" horsepower was normally an optimistic figure meant to help sell more cars. Gross horsepower, as measured in the early '60's would have been measured with no air cleaner, no mufflers, no power accessories - even the alternator was removed! Often times the water pump was not being driven by the engine either, plus a special "dyno only" ignition advance curve. In my mind the engine hp at the flywheel is interesting but useless info - it is the power that makes it to the ground that counts.

            Better yet take it to the drags - the dragstrip tells the true story.

            Thomas

            New Stude guy! Long time hot rodder
            '63 Avanti R2 4 speed with interesting plans

            Comment


            • #7
              quote:Originally posted by Thomas63R2
              You will waste more time trying to "guess" your car's weight than the time to simply drive over to the nearest certified scale - trust me, there are scales near you.
              I know there is one at the dump, but I doubt it will give me much of
              an accurate number. Other then that, I dont know of any.

              quote:If I remember right your engine has not yet received the R3 heads and cam, right?
              Its a completely stock R1. Speed parts are "waitin" in the garage.

              quote:Even is "as new" condition, there was not a single R1 that put out 240 hp to the rear wheels. Besides, the old '60's era "gross" horsepower was normally an optimistic figure meant to help sell more cars.
              Thats why I said 190, the "old" numbers and the "new" numbers just do
              not match up. Even though the stock R1 is no "wimp", there is no way
              that it has 240 hp when compared to my LT1 Impala's 260 hp.

              quote:Better yet take it to the drags - the dragstrip tells the true story.
              True, but the closest one to me is 3 hours away![xx(] I wanted to get
              out there and test the Avanti today, but the darn thing has no freakin
              cigarette lighter!! I have no way of running power. I bought an add
              on one at Pepboys, and will put it on sometime this week. I also want
              to have my wife take some pictures of it breaking from 60, but she has
              lost the camera. I sware that I cant catch a break![B)]

              Tom
              '63 Avanti R1, '03 Mustang Cobra 13" front disc/98 GT rear brakes, 03 Cobra 17" wheels, GM alt, 97 Z28 leather seats, TKO 5-spd, Ported heads w/SST full flow valves.
              Check out my disc brake adapters to install 1994-2004 Mustang disc brakes on your Studebaker!!
              http://forum.studebakerdriversclub.c...bracket-update
              I have also written many TECH how to articles, do a search for my Forum name to find them

              Comment


              • #8
                quote:Originally posted by sbca96

                quote:Originally posted by Thomas63R2
                You will waste more time trying to "guess" your car's weight than the time to simply drive over to the nearest certified scale - trust me, there are scales near you.
                I know there is one at the dump, but I doubt it will give me much of
                an accurate number. Other then that, I dont know of any.

                Tom
                Scrap dealers usually have scales, but I wouldn't trust their accuracy. The best bet, and usually certified, is to go to a moving company (as in household goods). They charge by weight and use their scales on a daily basis. It usually costs $20 for a certified weight printed out. If you are nice to them, you can probably get a look at the scale read out for free (without the print out). I used to use a scale when the business was closed, because you could still see the scale read out head through the office window and the scale itself was outside of the fenced yard.

                Gary L.
                1954 Commander Starliner (restomod)
                1959 DeLuxe pickup (restomod)
                Gary L.
                Wappinger, NY

                SDC member since 1968
                Studebaker enthusiast much longer

                Comment


                • #9
                  For the record-
                  Shipping weights from Studebaker Service Letter S-1047 of June 5, 1962:

                  1963 Avanti: 3140 lbs (3195 lbs w/supercharger)
                  Add for water, oil and gasoline: 174
                  Auto trans: 17
                  4-spd trans: subtract 5
                  Power brakes: 9
                  Power steering: 40
                  Air conditioning: 82
                  Radio & antenna: 10
                  HD front springs: 2
                  HD rear springs: 8

                  Service Letter S-1050(a) of October 4,1962 changed the base weight to 3195 and provides no info on superchargers.
                  It also changed or added these weights:
                  Water, oil, and gas: 150
                  Auto trans: 21
                  Heater: 19
                  Air conditioning: 90 (est)

                  Service Letter G-1964-3 of Sept 27, 1963 states that the base weight of 1964 Avantis is 3195 and provides this addditional data:
                  Add for JTS and RS: 55
                  R-3: 65
                  R-4: 10

                  Skip Lackie
                  Skip Lackie

                  Comment


                  • #10
                    http://www.smokemup.com/utils/track_search.php
                    http://www.staginglight.com/links/trackfinder.html#CA
                    By no means a complete list of dragstrips in California, but its a start - and maybe there is one nearer to you that you are unaware of.

                    Thomas

                    New Stude guy! Long time hot rodder
                    '63 Avanti R2 4 speed with interesting plans

                    Comment


                    • #11
                      quote:Originally posted by Skip Lackie
                      Shipping weights from Studebaker Service Letter S-1047 of June 5, 1962:

                      1963 Avanti: 3140 lbs (3195 lbs w/supercharger)
                      Going by this data ... thats 3558 pounds with me.[:I]

                      [u]Reposted from the Studebaker Racing Forum:</u>

                      quote:Originally posted by ROADRACELARK
                      Mine has a lighter under the lid with the ash tray.
                      OK, I am an idiot. Thank God you posted that, before I installed that
                      aftermarket socket thing, better keep my receipt.[:I]

                      Its 3am right now, but after reading your post I got dressed and went
                      out to look, and sure as a monkey has a tail, there is a cigarette
                      lighter under the flip top ash tray door!!! How trick is that?![8D]

                      I feel about 2 inches tall right now.

                      Tom
                      '63 Avanti R1, '03 Mustang Cobra 13" front disc/98 GT rear brakes, 03 Cobra 17" wheels, GM alt, 97 Z28 leather seats, TKO 5-spd, Ported heads w/SST full flow valves.
                      Check out my disc brake adapters to install 1994-2004 Mustang disc brakes on your Studebaker!!
                      http://forum.studebakerdriversclub.c...bracket-update
                      I have also written many TECH how to articles, do a search for my Forum name to find them

                      Comment

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