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03-28-2011, 06:43 AM | #1 |
Senior Member
Join Date: Oct 2010
Location: Largo, FL
Posts: 532
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Pics and input on the Boss 338 wheels!!!
Anyone have pics of a 60-66 with the Boss 338 wheels?
I did a search, and the only one I came up with is justbad's truck (nice by the way). Found some pics and useful info in the 67-72 forum, but their setup is a little different. Here are my susp mods front is disc with 13" rotors (CPP Big Brake), with the 1.25" rotors Rear is stock 66 C10 12 bolt with disc brakes/12" rotors. Seems to measure 62 1/2 wide from where the wheel mounts. My SBF width seems to be 75" wide from inner lip to inner lip. So I come up with 12.5 total wheel mounting point to fender edge. Divide that in half and I have 6.25 on each side from mounting point to lip edge The Boss 338 20x10 has a 6.25 bs which leaves 3.75 up front. + I figure about an inch for the tire sidewall. So that adds up to 4.75 If what I figured works out, then I would have a gap of 1.5" between the sidewall and the fender lip. + You also almost have to factor in the actual FAT lip of the Fleetsides. Almost 3" or so from the outer lip to the sidewall. Probably too much, so I was thinking of running 1" spacers. Inside is no problem as I'll be running some widened stock tubs. A couple of things that concern me is the 'spindle' problem where the wheel will not fit the 1.25 rotor/spindle without modifying. Looks like Boss might have that corrected according to their blog. They only seem to fit the light duty 1" thick rotors Also, the backspacing, ONLY one choice for the 20x10 (6.25) for the rear wheel. Wish they had a 5.5 (like the Foose Legend). I plan on going 18x8 up front and 20x10's in the rear. Sooooooo... looking for any pics of them on a 60-66. Along with what you did to make them work. Thanks
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TAZ BUILDS 1966 GMC Suburban 1963 GMC Suburban Patina frame-on FOR Sale 1966 C10 Short Bed (2010-11) Monthly Updates 2015 C10 Pics with my '72 Montego GT 429/521 build 1963 Pro Street C10 back halved. Frame off I did back in 1990 Pics / Video |
05-18-2011, 12:35 PM | #2 |
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Join Date: Sep 2009
Location: California Delta
Posts: 2,163
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Re: Pics and input on the Boss 338 wheels!!!
Here's a picture for you.
I didn't see this post earlier or I would have some pics of 338 type wheels (could have been Coy's or other). I was hoping you had a build thread because that truck is looking awesome. I love the classic 5 spoke design and these type wheels are the only reason I would consider going to 5 lug. So let me ask you: How do they fit? Are you using spacers? Tire sizes?
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Name: Rich Current Ride: 1964 C-10 Short Fleetside Daily Driver: 2005 GMC crew cab short fleetside /2001 Chevy Tahoe Past GM Trucks: 1959 GMC short stepside 1968 GMC short stepside-4x4 1973 Chevy short stepside 1989 Chevy short fleetside-reg cab 1993 Chevy short fleetside-Xcab 2002 Chevy short fleetside-Xcab Save the dinosaurs, use synthetic oil. |
05-18-2011, 01:03 PM | #3 |
Senior Member
Join Date: Oct 2010
Location: Largo, FL
Posts: 532
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Re: Pics and input on the Boss 338 wheels!!!
Actually, I have about 175 pics on my website. See the links in my sig.
Got a few videos on YouTube. Not the greatest videos though Boss wheels fit fine. I got the revised version so no issues on the front, like everywhere I read (rolled the dice on this one!). I went with 295/40/20 and 245/40/20. I don't "think" I will need spacers for the rear. From what I measured, I will have about 1" from the tire to the inside of that FAT lip of the shortbed fleetside. We'll find out once I install the bedsides. Probably will be a couple months on that one though.
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TAZ BUILDS 1966 GMC Suburban 1963 GMC Suburban Patina frame-on FOR Sale 1966 C10 Short Bed (2010-11) Monthly Updates 2015 C10 Pics with my '72 Montego GT 429/521 build 1963 Pro Street C10 back halved. Frame off I did back in 1990 Pics / Video |
05-18-2011, 02:17 PM | #4 |
Rollin' Old Skool
Join Date: Jun 2007
Location: Hattiesburg, MS
Posts: 5,371
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Re: Pics and input on the Boss 338 wheels!!!
posted in your thread, but those wheels look great on your truck...sounds like it will easily roast those back tires right off too!
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05-18-2011, 02:42 PM | #5 | |
67-72 parts collector,…
Join Date: Nov 2002
Location: Mid-MO
Posts: 22,700
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Re: Pics and input on the Boss 338 wheels!!!
Quote:
You are assuming the 20x10 measure 10" wide. The 10" measurement is at the tire "bead surface" of the wheel. They actually measure 11" outside-to-outside. 6.25" BS + 4.75 "(on the front side of the wheel)= 11" total width.
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Keith Convert to disc brakes. http://67-72chevytrucks.com/vboard/s...d.php?t=444823 Last edited by lolife99; 05-18-2011 at 02:44 PM. |
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05-18-2011, 03:32 PM | #6 |
Account Suspended
Join Date: Jul 2007
Location: Plumas Lake, Ca.
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Re: Pics and input on the Boss 338 wheels!!!
True!
The wheel width is measured from the inside, bead to bead, without the tire installed. Also, don't forget that tire mfg specs are on a specific rim width (usually shown in ( ) or italics in their data guides) and that every .5" change in rim width changes section width .2". |
05-18-2011, 05:39 PM | #7 |
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Join Date: Nov 2009
Location: Saint Petersburg, Florida
Posts: 117
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Re: Pics and input on the Boss 338 wheels!!!
TAZ...
That is the nicest looking truck (of those years) I have ever seen! I love everything about it!!! |
05-18-2011, 06:14 PM | #8 |
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Join Date: May 2011
Location: Anderson SC
Posts: 3,901
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Re: Pics and input on the Boss 338 wheels!!!
I know its a 'burban and not a truck but I ran across this pic while doing a google search.
Also found this thread that tells what it takes to make these wheels fit. Check the first few pages for info from the guy with that suburban. http://67-72chevytrucks.com/vboard/s...d.php?t=352320 |
01-19-2012, 02:31 AM | #9 |
Registered User
Join Date: Jan 2010
Location: Yakima,WA
Posts: 34
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Re: Pics and input on the Boss 338 wheels!!!
Very nice truck! Question: did you end up using spacers to fit the rear wheels? Thanks.
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