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08-19-2005, 08:28 PM
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#1 |
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Registered User
Join Date: Jul 2005
Location: Okanagan
Posts: 3
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69-72 wheel question
Hi guys, new to the board. First post. I just picked up 4 wheels from the local pull yard. I've got a 72 K5 blazer with pretty ugly wheels on it and have been looking for some stock (or chev at least) plain steel wheels (i like the look). Well, just as I was walking out I saw a 69 two wheel drive and in the back are 4 (6 bolt) steel wheels. Well, I figured they would be great. I get home, try them out on the front, and bang, the inner part of the tire goes right up against the disc brake caliper. If I remember correctly, the line set ticket on the truck read 15 5.5 or something. I'm assuming that has something to do with the rim. Anyway, just wondering if Chevy made different kinds of rims for the 4x4's and 2x4's, and between those with disc/drum and drum/drum. I thought all old 6 bolt rims from Chev were the same. Guess not. I was really hoping they'd work as they in great shape and I actually prefer the skinny tire look. (i.e., 265/75/15). The tire that were on there were 205/ 75/15. Anyway, if I'm out to lunch let me know, as I saw another "deeper" set there as well. Thanks
Marc |
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08-19-2005, 08:58 PM
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#2 |
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Registered User
Join Date: Jun 2004
Location: Beeville, Texas
Posts: 1,943
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15 5.5 is the rim size. 15 being 15" diameter and 5.5 is the width of the bead sealing area.
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RJD 1984 Chevrolet C30 welding truck 454/SM465 1977 GMC C15 pickup 350/TH350 1970 Chevrolet C20 pickup 350/TH400 1970 Chevrolet K20 Suburban 454/TH350 1969 GMC 8500 478M V6/5 spd winch truck |
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08-19-2005, 09:05 PM
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#3 |
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10/30/19
Join Date: Aug 2004
Location: ottawa kansas
Posts: 5,207
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Greetings and salutations from Kansas.
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08-20-2005, 02:49 AM
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#4 |
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Registered User
Join Date: Dec 2004
Location: NW, WA.
Posts: 1,421
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 North neighborThou hast learned junkyard rule #1 young GM Jedi....... Never go hunting parts without a tape measure & pocket notebook! Measure what works on your wheels and look for same. backspace=distance between wheel mounting surface and inner edge of rim at the bead. caliper clearance=distance needed between wheel and disk caliper If you where running drums all the way around I'm sure it wouldn't matter, almost anything would fit... and 69's all have drums if stock. |
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08-20-2005, 08:31 AM
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#5 |
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Registered User
Join Date: Jul 2005
Location: Okanagan
Posts: 3
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Thanks Americanrider. Yes, a tape measure would have certainly helped. Its funny, but if I had drums all around, the wheels would be fine as you said. But with disc's up front, I need some extra backspace which was something I didn't know (until now, of course). Thanks for the input
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08-20-2005, 08:46 AM
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#6 |
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State of Confusion!
  
Join Date: Jul 2002
Location: Gulfport, MS USA
Posts: 46,820
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More than likely the problem is the wheels you got were from a drum brake vehicle (pre 71). Some, not all wheels will have problems with clearance on the caliper. I have a set of aftermarket wheels that the center shape have that same problem. They work great on my drum brakes, but on one with discs they hit. This was even true of some of the stock wheels, mostly with backspacing issues, but sometimes the mold shape.
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Bill 1970 Chevy Custom/10 LWB Fleetside 2010 Toyota Tacoma PreRunner SR5 Double Cab - DD Member of Louisiana Classic Truck Club (LCTC) Bill's Gallery Life isn't tied with a bow, but it's still a gift. Live simply. Love generously. Care deeply. Speak kindly. Leave the rest to God! Last edited by Palf70Step; 08-20-2005 at 08:47 AM. |
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