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#1201 |
Registered User
Join Date: Aug 2012
Location: Midland, TX
Posts: 1,267
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
Here's the second pic.
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1969 RS/SS Z10 Camaro Pace coupe 1972 GMC Short Step buildhttp://67-72chevytrucks.com/vboard/s...=1#post6356218 1979 Mazda RX7 1979 Pontiac Trans Am WS6 & 1979 Pontiac Trans Am 10th Anniversary 1999 Honda Valkyrie 2006 Corvette Z06 2010 BMW 650i |
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#1202 |
Account Suspended
Join Date: Aug 2007
Location: USA
Posts: 1,223
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
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#1203 |
Registered User
Join Date: Jul 2012
Location: So Cal
Posts: 127
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
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#1204 | |
67-72 parts collector,…
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Location: Mid-MO
Posts: 22,701
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
Quote:
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Keith Convert to disc brakes. http://67-72chevytrucks.com/vboard/s...d.php?t=444823 |
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#1205 |
Amateur Rust Fighter
Join Date: Sep 2007
Location: Mankato, MN
Posts: 1,087
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
I sent them the link a couple years ago when I was going through this with them TRYING to help them produce a better product. Whether they bothered to read any of it will forever remain a mystery....
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#1206 | |
Registered User
Join Date: Aug 2012
Location: Midland, TX
Posts: 1,267
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
Quote:
Thanks Big Block. I really got lucky on this one. The truck was a frame off about 8 years ago and has sat in a garage ever since. I haven't been able to find a flaw in the paint and is laying flat. Spent the after noon changing shocks. Looks like the previous owner went to a lot of trouble on this truck but didn't change out the old spiral shocks. Lot's too do, but it is a great platform to build on. ![]()
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1969 RS/SS Z10 Camaro Pace coupe 1972 GMC Short Step buildhttp://67-72chevytrucks.com/vboard/s...=1#post6356218 1979 Mazda RX7 1979 Pontiac Trans Am WS6 & 1979 Pontiac Trans Am 10th Anniversary 1999 Honda Valkyrie 2006 Corvette Z06 2010 BMW 650i |
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#1207 |
Registered User
Join Date: Feb 2012
Location: Winder
Posts: 27
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
Reviving this thread a bit... I just ordered 2 wheels today. 20x8.5 fronts and 20x10 rears. I have an 88 6.2 diesel sub they are going on so once I get them, I will post a few picks up. I have a buddy who runs a performance shop and we spent some time with the wheel sizes and the boss guy said these would work perfectly on my sub... we shall see! I ordered the grey spoke center versions. Should give the old girl an entirely new attitude. Right now I am running 17x9 cragar soft 8's with a 2" spacer on the rear on 265 60 17's. I also have a 2.5" front spindle drop. Planning on a possible 1-2" drop once I have the new wheels and tires ready to go on.
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#1208 | |
Amateur Rust Fighter
Join Date: Sep 2007
Location: Mankato, MN
Posts: 1,087
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
Quote:
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#1209 |
Registered User
Join Date: Feb 2012
Location: Winder
Posts: 27
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
Unfortunately I have 2 "toys" that take all of my cash. My Jeep has been winning for years, now it is time for the sub to take charge
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#1210 |
Registered User
Join Date: Jul 2012
Location: Campbell, CA
Posts: 452
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
Krawler00 I like the way you think. I'm ordering a set today myself. Need to prep the front rotors.
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1971 C/10 - Orange & White 2009 GMC 1500 - Lowered 3/4 22' KMC Slides |
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#1211 |
Registered User
Join Date: Jul 2010
Location: Gilbert, AZ
Posts: 162
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
Here is a pic of mine 85 with brand new 20 x 8.5 w/ 245/45R20 Hankooks all around. The new boss 338's have no problem fitting on the front. They fixed the problem!
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#1212 |
Amateur Rust Fighter
Join Date: Sep 2007
Location: Mankato, MN
Posts: 1,087
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
Do you have the 1" or 1.25" rotors on the front? Stock or aftermarket rotors? What's the revision number at the end of the part number (-2AA, -3AA, etc.)? I seriously doubt they fixed the problem.
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#1213 |
Registered User
Join Date: Feb 2012
Location: Winder
Posts: 27
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
breeze85cten looking at that same size tire. can you measure the side wall and width of the tire? I certainly hope mine fit with no issues!
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#1214 |
Registered User
Join Date: Feb 2012
Location: Albuquerque NM
Posts: 3,053
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
I just received -3AA revision 20x8.5 338's, Mcgaughys front brake kit (1.25 rotors)and they need some work to make them fit......just sayin
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#1215 |
Registered User
Join Date: Aug 2011
Location: Atlanta, GA
Posts: 1,523
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
So, I wonder if this is consistent across the board?
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Bagged | 6.0L LS | T-56 (6-Speed Manual) | Turbo Burnout/Rolling Video: Chevy C10 Stepside 6.0L LSx & 6-Speed Manual |
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#1216 |
Amateur Rust Fighter
Join Date: Sep 2007
Location: Mankato, MN
Posts: 1,087
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
If there's one thing that's consistent throughout the 1200+ posts in this thread, it's that these wheels need work to fit on the front when using HD (1.25") stock rotors as well as some aftermarket versions. They will bolt up to light duty (1.0") stock rotors and some aftermarket versions. Bottom line is that if you buy these wheels, you should do so expecting to have to do some work to make them fit unless you know for sure you have LD rotors.
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#1217 |
Registered User
Join Date: Aug 2011
Location: Atlanta, GA
Posts: 1,523
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
Thanks, Brossow!
I figured....sad Posted via Mobile Device
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Best Regards, Leon M. Instagram: @TheDirtyDianah
Bagged | 6.0L LS | T-56 (6-Speed Manual) | Turbo Burnout/Rolling Video: Chevy C10 Stepside 6.0L LSx & 6-Speed Manual |
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#1218 |
Registered User
Join Date: Jul 2010
Location: Gilbert, AZ
Posts: 162
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
Sorry about not posting what rotor size i have. I totally spaced on it. I actually have the 1 inch rotors but I was told by the discount tire salesman who is my good friend that he has sold a couple pairs to c10 owners in the past and they had the same problem but recently he spoke with the local Boss distributer and was told they fixed the issue. They fit on my front and back like a glove! No problems or issues with fitment. I cant say that for guys with the 1.25 inch rotors.
ALso the 245/45R20 are approximately 28.7 inches tall and 9.6 inches wide. |
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#1219 | ||
Amateur Rust Fighter
Join Date: Sep 2007
Location: Mankato, MN
Posts: 1,087
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
Quote:
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#1220 |
Senior Member
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Location: illinois
Posts: 516
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
Sorry
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#1221 |
Registered User
Join Date: Feb 2012
Location: Albuquerque NM
Posts: 3,053
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
has anyone confirmed the backspace on the narrower 68 rear end on a fleet side with the 20x10's and 6.25" backspace ......?
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#1222 | |
67-72 parts collector,…
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Location: Mid-MO
Posts: 22,701
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
Quote:
Posted via Mobile Device
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#1223 | |
Registered User
Join Date: Feb 2012
Location: Albuquerque NM
Posts: 3,053
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
Quote:
So a 1" spacer looks to be the ticket on the narrow rearends?
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#1224 | |
Registered User
Join Date: Jan 2006
Location: Cherry Valley,Ca
Posts: 468
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
Quote:
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#1225 |
Registered User
Join Date: Feb 2012
Location: Albuquerque NM
Posts: 3,053
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
Guess Ill wait and see on Monday If I infact get the 5.5 BS wheel or the dreaded 6.25 version..........
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