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  1. dgc333

    15x8.5 question

    This is 255/60-15 on an 8" wide wheel with 4.5" of back spacing.
  2. dgc333

    need stock front wheel back spacing on 68 gts??15x6s/7s up front?? or 14"

    I have 15x7 with 4.25" of back spacing on the front of my 68 Barracuda (15x8's with 4.5" of back spacing on the rear). I have 215/60-15 tires mounted.
  3. dgc333

    widest tire on 6 inch steelie?

    When I was shopping for tires for the Cuda back in 00 the Goodyear web page listed 6" as the narrowest rim for a 235/60 tire. That is what I put on the car. Also, my old Dakota came from the factory with 235/75-15 tires on a 6" wide rim.
  4. dgc333

    Front tires

    I ran 235/60-14 on a 6" wide rim of unkown backspacing on the front of my 68 Barracuda with no issues. When these wore out I went to a 225/60-15 on a 7" rim with 4.25" of backspacing (the overall diameter was within a couple of tenths of an inch). These would hit the front edge of the fender...
  5. dgc333

    new tire size question

    You may have problems getting a 15x10 rim to fit in the wheel wells of a Dart. Darts have a smaller well than Barracuda's, Dusters or Demon/Dart Sports. If you have ever looked at a picture of the Hemi Darts the wheel well was cut out to make clearance where the Barracuda's weren't. Before...
  6. dgc333

    Anyone running 15 x 8" Draglites with 4 1/2" BS on their Dart????

    I have never seen backspacing describe as anything but the distance from the mounting surface to the outside edge of the backside of the rim.
  7. dgc333

    Anyone running 15 x 8" Draglites with 4 1/2" BS on their Dart????

    I am running 255/60-15's on 15x8 Ralley wheels with 4.5" of back spacing. I have approximately 1/2" of clerance to the springs on the tires and a littel more to the wheels. If I had a wheel with less back spacing that moved the wheel away from the spring I could have gotten a 275/60-15 under the...
  8. dgc333

    show off your old school slot mags.

    Here are the ones i sold a few months back And here is my 2 minutes of fame from a local TV show back around 2001 when the car was still small bolt pattern and had Chrome Slots. http://s12.photobucket.com/albums/a202/dgc333/?action=view&current=Daves_Barracuda.mp4
  9. dgc333

    wheel vintiques

    I have the WV 15x7 Ralley wheels with 215/60-15's on the front and 15x8's with 4.5" of back spacing on the back with 255/60-15's. More back spacing on the front would have allowed me to go to a 225/60 tire. I originally got the 225/60's but they touch the front edge of the fender well when...
  10. dgc333

    Wheel well Sizes- Dart vs barracuda

    The 67-69 Cudas have bigger wheel wells than Darts, about the same as a Duster. That's the reason the SS Darts had cut out wheel wells and Barracudas didn't
  11. dgc333

    Wheel spacer vs. wheel adapter

    Neither option is a good one, really should be using wheels with the correct backspacing to work without an adapter or spacer. But bolting on an adapter with seperate studs will have two places with potential tolerance inaccuracies that could add up to enough runout to have the wheels not run...
  12. dgc333

    Tourqing alum rims

    Gee, in my 30 years of working on cars I have never seen a requirement to re-torque wheel lug nuts in an owners manual, had the FSM for my 03 PT Cruiser handy and checked just to make sure I wasn't missing something, no recommendation there either. FWIW, I am one of those engineers, I...
  13. dgc333

    Tourqing alum rims

    The torque is dependent on the size of the lug. The numbers below are the typical guide line numbers to use for dry threads, lubed threads will be less. 7/16 in. 70 - 80 1/2 in. 75 - 85 9/16 in. 135 - 145 The torque value doesn't change because of the wheel material and a properly...
  14. dgc333

    Wheel wrench

    Use a regular socket, the wall thinckness is less on non-impact sockets. They make impact sockets thicker because they use a softer metal that won't shatter.
  15. dgc333

    Switching Tire Sizes

    A 255 tire is 10" wide, a 235 tire is 9.25" wide. The numbers you are stating must be the tread width. It's the actual cross section width that you need to worry about. I have 255/60-15 on 8" wide rims on the back of my 68 Barracuda and they fit fine. As with any tire you put on the car the...
  16. dgc333

    problem with 5 Slot wheels and drum brakes

    I had sbp chrome slots on my car when I first put it on the road in 2000. I used 1/4" thick spacers. Here is a video clip of the car with those wheels.
  17. dgc333

    rally wheel size

    A G70-14 is equivalent to a 225/70-14, I can't imagine why you would have had them rubbing the springs. It is going to be the back spacing of the rim that determines how close the tire is to the spring. I have 255/60-15's with 4.5" of back spacing on my 68 Barracuda and have about 1/2" of...
  18. dgc333

    Who's running 15's ?

    255/60-15 on 15x8 rims with 4.5" of back spacing. 4" or 4.25" of back spacing would have moved the wheel out some and made a little more for bigger tires. A buddy of mine has 275/60 on cop car wheels on his 67 Barracuda but IMHO that size tire is starting to look out of place on the car.
  19. dgc333

    max backspace?

    With everything else being the same making an axle longer does not increase it's strength. Yes there will be more twist along it's length than a shorter axle but they will both reach their yeild point with the same torque being applied. The one advantage a longer axle might have is if it was...
  20. dgc333

    max backspace?

    You have got the concept. As I stated before I don't think you could go either way enough to make a real difference without hitting parts of the car.
  21. dgc333

    max backspace?

    In the back if they fit without rubbing the springs and the springs are in the stock location then they won't have more than 5" of back spacing, 8" of backspacing won't fit, not sure what you could get away with up front. It's real easy to check; lay a straight edge across the surface the wheel...
  22. dgc333

    max backspace?

    But those wheels won't work on an a-body without interfering with the body or suspension. It really has nothing to do with the brand, it's the application. Those wheels with 8" of backspacing still put the center of force pretty close to the bearings for the cars they were designed to go on.
  23. dgc333

    max backspace?

    Back spacing is a simple measurement from the mounting surface of the wheel to the edge of wheel. Wheel material, size or construction has no baring. However, size of wheel will impact whether a wheel with a given back spacing will fit a given car. The OP question regarding how much you...
  24. dgc333

    what size front tire

    I tried 225/60-15's mounted on 15x7 wheels with 4.25" of backspacing on the front of my 68 Barracuda and they hit the front edge of the wheel well when the tire was turned in. I wound up going with a 215/60-15. Prior to this tire and wheel swap I had 235/60-14's on 6" wide rims. These two...
  25. dgc333

    Will 275's fit?

    This is 255/60-15 on 15x8 wheels with 4.5" of back spacing. Springs are in stock location. I could have easily gotten a 275/60-15 under there if the wheel had LESS back spacing, 4.25 or 4" would have centered the wheel better. As it is the side wall of the tire is about 1/2" from the...
  26. dgc333

    15 vs. 14 inch rims

    That car will have the small 4" bolt circle wheels, there was never a factory 15" wheel in that bolt circle. You will be limited to aftermarket wheels and there is not a large selection.
  27. dgc333

    Question about replacing 15x7 wheels with 15x8

    No adapters. I have the large bolt circle on my car (8.25" rear axle and 73+ disks up front).
  28. dgc333

    Question about replacing 15x7 wheels with 15x8

    Sorry, about the car mix up the OP has the Dart. Anyway, if I had less back spacing I could have gotten a wider tire under the car but with the 4.5" back spacing it would be to close to the spring for comfort. A friend of mine has 275/60-15's on 15x7's on the back of his 67 Cuda. It certainly...
  29. dgc333

    Question about replacing 15x7 wheels with 15x8

    Yes, a 4.25" back spaced 8" wide wheel will be centered in the wheel well better allowing for a wider tire. BUT! my Barracuda has bigger wheel wells than your Dart so you will need to check. On the front of my car I have 15x7 wheels with 4.25" of back spacing. I have 215/60 tires mounted. I...
  30. dgc333

    Question about replacing 15x7 wheels with 15x8

    FWIW, I have 15x8 with 4.5" back spacing and 255/60 tires on the back of my 68 Barracuda. I am about 1/2" way from the tire rubbing the spring but about 1 1/2" from the tire hitting the wheel well to the outside. Using an 8" wide rim with 4.75" back space rim is going to put you at 1/4" away...
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