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#1051 | |
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:
EDIT: Looks like maybe the lug nuts just sink way the heck down into the rim, so no need for longer studs but could make things interesting to remove them in an emergency (e.g. flat tire) if you don't have a deep, thin-walled lug nut socket with you.
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#1052 |
Registered User
Join Date: Sep 2011
Location: clanton, Alabama
Posts: 32
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
The only choice for me is a CUSTOM wheel. 800.00 each. 22x12 in the rear and 20x8.5 in the front.
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#1053 | |
Registered User
Join Date: Aug 2011
Location: Houston TX
Posts: 227
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
Quote:
Do you have any 20x8.5 - 20x10 comparison pics? (with the 6.225 bs) Last edited by 1967wannabe; 09-28-2011 at 06:18 PM. |
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#1054 |
VA72C10
![]() Join Date: Mar 2008
Location: Midlothian, VA
Posts: 25,269
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
Measurements would be great as mentioned above...what brand are the rotors?
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#1055 | |
RAT1968 '68 Cab/'71 Parts
Join Date: Feb 2002
Location: Coarsegold, CA
Posts: 2,375
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
Quote:
![]() However, the pics made me happy....as I like the wheels, and I can now stop this silly quest for the deeper rim. \I have 'em. I like 'em, and I'm gonna run 'em. Here are a couple of early fitting shots that, hopefully, shows the difference in the 8.5 fronts and 10.0 rears with the early (my) backspacing.
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#1056 |
Registered User
Join Date: Jan 2011
Location: Lawrenceville, GA
Posts: 1,080
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
I got a few measurements....
And for those asking.... this is the front kit that I bought from Performance Online with the Willwood Caliper Click Here For To See Kit....
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Never wrenched a day in my life and now... Im doing a frame off restoration on a 1968 C10 with a Porterbuilt Dropmember, Acuair E-Level kit, Boyd Welds Gas tank and mild c-notch. Click here to view my build Last edited by funkytechmonkey; 09-28-2011 at 11:30 PM. |
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#1057 |
Still Learning
Join Date: Jul 2009
Location: Central Oklahoma
Posts: 10,108
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
Thanks for the pics Brian. It looks like the Wilwood rotors are tapered at the end to give you more clearance.
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#1058 |
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
Thanks for the measurements and pics, but the measurements we really need are the diameter (not the height) of the hub. Most of the interference with stock HD rotors is due to the width of the hub portion, not the height. Thanks again!
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#1059 |
VA72C10
![]() Join Date: Mar 2008
Location: Midlothian, VA
Posts: 25,269
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
Yep, looks like the taper is what's allowing these to work...guess those getting boss 338's need to include POL rotors as part of the purchase
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#1060 |
Registered User
Join Date: Jan 2011
Location: Lawrenceville, GA
Posts: 1,080
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
Well that sucks.... I was hoping these new wheels would work for us all. If I get a day off this week I will try them on my 68 and see if they fit. It has a 1.5" rotor.
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#1061 | |
67-72 parts collector,…
![]() Join Date: Nov 2002
Location: Mid-MO
Posts: 22,698
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
Quote:
They are the standard cross drilled rotor that Performance Online sells. The calipers are Wilwoods D52's that are an oem replacement with dual pistons.
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#1062 |
67-72 parts collector,…
![]() Join Date: Nov 2002
Location: Mid-MO
Posts: 22,698
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
I assume you mean 1.25" rotor?
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#1063 |
RAT1968 '68 Cab/'71 Parts
Join Date: Feb 2002
Location: Coarsegold, CA
Posts: 2,375
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
I don't know...But this is what Photoshop says. No resizing. But if it's important to be "dead on"...like in millimeters...., I'd verify it for a bad angle by the "Photoshopper"...me!
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#1064 |
Registered User
Join Date: Jan 2011
Location: Lawrenceville, GA
Posts: 1,080
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
I'll take that measurement when I get home tonight.
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#1065 |
Registered User
Join Date: Jan 2011
Location: Lawrenceville, GA
Posts: 1,080
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
This help?
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Never wrenched a day in my life and now... Im doing a frame off restoration on a 1968 C10 with a Porterbuilt Dropmember, Acuair E-Level kit, Boyd Welds Gas tank and mild c-notch. Click here to view my build |
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#1066 |
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
Unfortunately, not really. Because of the clearance issues we're talking about, a micrometer should be used to get the exact diameter because even a couple millimeters could make a difference. Not a problem if you don't have one, and thanks for the effort!
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#1067 |
VA72C10
![]() Join Date: Mar 2008
Location: Midlothian, VA
Posts: 25,269
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
Thanks for taking the time to measure and post the pics.
Now...does anyone have a stock rotor measured the same way to see if the taper on these is the difference (what it appears to be)
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#1068 | ||
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:
Quote:
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#1069 |
VA72C10
![]() Join Date: Mar 2008
Location: Midlothian, VA
Posts: 25,269
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
cool, thanks! I thought you or someone else had but 43 pages........
![]() Just want to keep the info side by side....if we can get a caliper measurement of the newest wheels out to verify they have or haven't changed and also of the POL rotors it'd be something I'd try to have an admin add as an update to the first post for people that find this thread....
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#1070 |
Registered User
Join Date: Aug 2011
Location: Houston TX
Posts: 227
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
Well, here they are. The chrome helps a lot in the "lip" dept so I think I'll run with them.
They're here outside my office so if anyone needs any measurements just holler. |
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#1071 |
Old member
Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,936
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I bought these wheels back in the spring of the year. Here are some pictures I just took of the hub and back spacing.
1 1/4" rotor with just a little off the hub for the cap to clear. Cap has the o-ring to keep it on. 5 1/4" to the wheel lip and 5 1/2" backspacing to clear the tire. ![]() ![]()
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1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 ![]() Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs. |
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#1072 |
Registered User
Join Date: Aug 2011
Location: Houston TX
Posts: 227
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
Pics of the 20x10 on a 13" rotor (with better lighting and better angle of the lip width).
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#1073 |
Registered User
Join Date: Jan 2011
Location: Lawrenceville, GA
Posts: 1,080
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
Aight... So I ran into a problem. Passanger side mounts up and fits PERFECT. No problem at all. Drivers side... not so much. I didnt even notice the difference in the rotors when mounting them up. The drivers side is kinda rough and the smooth lip that goes up against the flat part of the rotor is not consistantly round. The passanger side is all smooth and the flat surface is perfect all the way around. I have taken a few pics to see if you guys can help me.
I have taken a grinder to the rough part of the drivers side and the wheel goes on a little bit further but it still does not set all the way against the rotor. I would really like to fix this myself... I know its going to be WEEKS before I can call POL, have them ship me a new one and exchange them out. Any help would be great guys... thanks! here are the pics.
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Never wrenched a day in my life and now... Im doing a frame off restoration on a 1968 C10 with a Porterbuilt Dropmember, Acuair E-Level kit, Boyd Welds Gas tank and mild c-notch. Click here to view my build |
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#1074 |
Registered User
![]() Join Date: Mar 2010
Location: Mesa, Az
Posts: 364
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
so where is the best place to buy these wheels that you guys know of
thanks Brian |
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#1075 | |
Registered User
Join Date: Jan 2011
Location: Lawrenceville, GA
Posts: 1,080
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Re: Got some new wheels: Boss 338's in 20x10 and 20x8.5
Quote:
Back to my question... Is it safe for me to grind on this rotor or will I screw something up? whats my best option?
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Never wrenched a day in my life and now... Im doing a frame off restoration on a 1968 C10 with a Porterbuilt Dropmember, Acuair E-Level kit, Boyd Welds Gas tank and mild c-notch. Click here to view my build |
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