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  1. mvh

    Does rim width affect what tire size I can use

    The answer is "yes". The tire manufacturer will have a recommended minimum rim width for each tire size. These are shown in the specs on the Tire Rack website, for example. From experience, 185 is fine on the 4.5" rim... probably 205 as well. 215 is OK on the 5.5" rim — I have 215/70-14 on my...
  2. mvh

    Help me ID these wheels

    The only way to confirm the width and backspacing is to measure the wheel. We don't have ESP <LOL>.
  3. mvh

    A-Body 1968 Barracuda / disc brake spindles which tyres will fit better

    Everything I have heard indicates that 225/60-15 tires will rub on the front fender at full lock and/or full spring compression. 215 seems to be safe.
  4. mvh

    What size tire on a 15x4 inch rim ?

    TireRack.com provides charts for the tires they sell that specify the minimum rim width for each tire size. A 165/80 is a tiny tire for a heavy car — that would have been the stock size on my 2000lb MGB in 1966. An A-body is putting at least 300lbs extra on each corner. I suppose if it's a race...
  5. mvh

    Wheel Size for 1968 Barracuda

    ??? I don't think Mopar ever made any 15" small bolt pattern wheels. They must be aftermarket or custom fabricated. To determine the wheel width you need, go to Tirerack.com and look up the tires you want, then check the Minimum Rim Width column in the specs — that will tell you what you need...
  6. mvh

    Tire age

    Modern tires are a complex blend of polymers. The ingredients that keep the rubber flexible and "sticky" are the ones that tend to dry out and disappear over time. That's why you start seeing fine cracks in the sidewalls, and why you lose traction. Eventually you wind up with something like the...
  7. mvh

    Tire Size 68 Barracuda

    If you read the tire manufacturers' recommendations, the widest tire you can fit on the stock HD 14 x 5.5" wheels is 215 (so, 215/70-14). If you have the standard 14 x 4.5" wheels, it would be 205/70-14. I am assuming A56 is running 235/60-14 because 235/70 would never fit, and I don't think...
  8. mvh

    Wheel Vintiques "Mopar Rallyes" (67 Barracuda)

    That's great that you got your measurements. The rim location is constant compared to the pivot axis of the ball joint, but of course the "droop angle" affects the clearance to the arm itself, so it's good that you are checking all the angles. I'm not sure how the chassis weight would make any...
  9. mvh

    Wheel Vintiques "Mopar Rallyes" (67 Barracuda)

    Scrub radius is not an issue since you are not changing the offset at all. But AJ's idea about stacking some washers on the studs, then mounting the wheel is a good idea. Measure the clearance, then subtract the height of the washer stack. Even easier than my idea. I don't think the factory...
  10. mvh

    Wheel Vintiques "Mopar Rallyes" (67 Barracuda)

    WV is nuts — small bolt pattern center holes are 2-5/16" (2.3125") — not 2.75" (that's FORD). 2-13/16" is Mopar large bolt pattern. Don't you have an OEM spare lurking in the trunk? Anyway, you could still try my "putty" test using your mags. Just need a bigger blob. Here's my 67 FB with OEM...
  11. mvh

    Wheel Vintiques "Mopar Rallyes" (67 Barracuda)

    I was going to say I doubted that there would be a rim clearance issue based on a mere 1/4" additional width on the inside edge, but then I went out and looked under my car, a 67 FB with factory discs and 14 x 5.5 Mopar rally wheels. The clearance between the rim and the upper control arm was...
  12. mvh

    Looking for assitance

    I believe rally wheels were ALWAYS an extra-cost option. If they were standard, as your friend claims, there would be no full wheel covers for those years.
  13. mvh

    Wheel Brands (Specialty Wheel or Wheel Vintiques)

    It seems like you are asking them to produce a different width of beauty ring for every different wheel offset they offer. Or at least, that's what it seems like it would take. No? If they are just reproducing the factory beauty rings exactly, you would expect them to fit a 5.5" wide wheel, but...
  14. mvh

    Rallyes-New vs OEM

    Trim rings really don't come off under any circumstances, because they can flex along with the wheel rim, unlike full wheel covers, which can't flex because they are solid disks and so pop off. So don't worry about that. Factory SBP rally wheels were 14 x 5.5 only. You can fit up to 215/70-14...
  15. mvh

    Amazing what Rallyes Can Do

    Yep, had the rally wheels on it since the 80s. Cooper Cobras are new, and I'm liking them so far.
  16. mvh

    Performance tire categories?

    You won't find ANY Ultra High Performance tires in 13, 14 or 15 inch profiles that will fit your car. So you might as well start looking for 16-17" wheels, or resign yourself to "classic performance" tires like Radial T/A or Cooper Cobra, or plain All-Season Touring tires from General, Hankook...
  17. mvh

    show the white letters?

    I figured the Cooper Cobras with the rally wheels should be letter out. 30 years ago it was Dunlop GT Qualifiers. 15 years ago it was Firestone Firehawk Indy 500s. And the beat goes on...
  18. mvh

    Help me choose a tire?

    Anyway, now that that is established, 215-70-14 would be your max size for all around. Available in T/A, Cooper Cobra and a few others. 205 or 195 would also fit... 195/70 may look a little small, 195/75 would be the non-sporting but taller version.
  19. mvh

    Help me choose a tire?

    Here's how you measure wheels...
  20. mvh

    Help me choose a tire?

    If the sidewall says "R14" it's 14-inch and it's on a 14" rim. Tires may be rubber but they don't stretch <LOL>. Maybe you have staggered wheels (14 front, 15 back)?
  21. mvh

    Help me choose a tire?

    Hmm, I think you'll see that the tire manufacturers want a minimum rim width of 6" for a 225mm tire width. I mean, the tread is going to be something like 9 inches — that's a lot of overhang.
  22. mvh

    Help me choose a tire?

    215-70-14 is pretty much the biggest tire you can fit all around on 14" rally wheels, at least on a Barracuda (a Duster might have a little more space up front). 215-70-15 would probably be too tall. 215 would be the maximum width, regardless, based on the rim width, even though a 225-60-15 tire...
  23. mvh

    Bolt pattern

    They use an asymmetrical oval spacer around the stud that allows adjustment for multiple bolt patterns. You do not mount them "naked" on the studs with just regular lug nuts.
  24. mvh

    Tire clearance

    You should expect some side deflection on the leaf springs (as well as sidewall deflection). How much, I couldn't say. As an example, my right side tailpipe is just over 1/4 inch from the leaf, and it will bang on abrupt corners just in street driving. I have factory HD rear springs and front...
  25. mvh

    Mopar Wheel Covers on Rallye

    I just assumed that because the trim rings fit, wheel covers would fit, too. Definitely would have to remove the center caps, though, which means removing the wheel from the car. So it would be a bit of a hassle. Also, the edge of the steel rim tends to show around the wheel cover, and it should...
  26. mvh

    Small Bolt Pattern Tire Options (14in. steelies)

    That's why people usually talk about backspace rather than offset, which would be the "correct" technical term, but is much more difficult to measure on the wheel. You can measure backspace even with the tire mounted. Offset is the difference between the center of the tread (or the midpoint...
  27. mvh

    Small Bolt Pattern Tire Options (14in. steelies)

    I can confirm 215/70-14 Cooper Cobras are a good fit all around on 14 x 5.5 rallies. But I wouldn't put anything wider on those rims... the tread on the 215s is over 8 inches wide — that's a lot of side bulge. And at that diameter, it's as wide as will work on the front. Many have tried to fit...
  28. mvh

    Bolt-Through Wheel Cover Freshen Up

    The centers on my rally wheels need a similar treatment.
  29. mvh

    Bolt-Through Wheel Cover Freshen Up

    Very impressive. Results look great!
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