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#1 |
Long Fleet Club
Join Date: Aug 2006
Location: Deer Park, TX
Posts: 5,666
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First off what years were chevy 1/2 tons 5 lug?
Second I was wondering if I find a year that was five lug if I can just get some 6 lug rotors for it. Same if I find one that is 6 lug if I can get 5 lug rotors for those. Here is where I clear it all up. Right now I'm wanting to convert to front disc brakes but I'm 6 lug all around. When I go to convert the rear to disc, a few years from now, I want to also convert to 5 lug to run American Racing Tourque Thrust 2 rims.
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Chris Meeks '69 Chevy Custom/10 Long Bed <-- Thread of the work I did before selling. Truck is now finished to the new owners design and running around. I was shown some pictures of the finished product. At least it survived the junk yard. FAQ Index by Krue Site Vendors Subscribe Here Forum Rules |
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#2 |
Registered User
Join Date: Sep 2006
Location: Omaha, NE
Posts: 1,982
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Re: Front crossmember conversion questions.
if you do a search here on the site for stuff like disc brake conversions and such there should be lots of results. you just have to pick through the threads (some are quite long, but full of GREAT info) to find exactly what you need.
good luck!
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-1947 3100 -1968 C10 -1970 K20 |
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#3 |
Registered User
Join Date: Aug 2006
Location: Bakersfield,CA
Posts: 7,893
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Re: Front crossmember conversion questions.
![]() -steven ![]()
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-steven Alte Seele S.S. "Allison" '72 C/10 LWB 350SB/TH350 - DD PITBULL IS NOT A CRIME |
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#4 |
Long Fleet Club
Join Date: Aug 2006
Location: Deer Park, TX
Posts: 5,666
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Re: Front crossmember conversion questions.
Ok I did a search on both of my questions and came up with nothing. I know how to do the conversion but I need to know about the lugs.
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Chris Meeks '69 Chevy Custom/10 Long Bed <-- Thread of the work I did before selling. Truck is now finished to the new owners design and running around. I was shown some pictures of the finished product. At least it survived the junk yard. FAQ Index by Krue Site Vendors Subscribe Here Forum Rules |
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#5 |
Senior Member
![]() Join Date: Jan 2005
Location: Claremore, OK 74017
Posts: 2,640
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Re: Front crossmember conversion questions.
Keep looking, there are a lot of threads that talk about 5 lug and disc brakes. For example, you can either replace your front axle with one from a 71-72 or 73 through I think 87 and they will fit. Not sure what axles fit the back, outside of the 71-72, but you can also get your non-disc rotors redrilled for 5 lug. And I think people have used other early GM cars rear disc setups, plus there are plenty after markets.
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68 Short Stepside C-10 69 SWB C-10 70 Flatbed C-20 70 LWB C-20 BB402 70 LWB C-10 CST 70 LWB C-10 CST 71 Short Stepside Cheyenne C-10 72 LWB C-10 72 Blazer 4x4 4spd 95 Jeep Cherokee 4x4 |
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#6 | |
Long Fleet Club
Join Date: Aug 2006
Location: Deer Park, TX
Posts: 5,666
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Re: Front crossmember conversion questions.
Quote:
All I can find are threads for people converting one way or the other and those don't touch on that topic. For the rear in a few years when I can afford the rims I am going through moroso and having a set of axles built for 5 lugs. Also I'm 2WD
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Chris Meeks '69 Chevy Custom/10 Long Bed <-- Thread of the work I did before selling. Truck is now finished to the new owners design and running around. I was shown some pictures of the finished product. At least it survived the junk yard. FAQ Index by Krue Site Vendors Subscribe Here Forum Rules Last edited by cameeks; 01-16-2007 at 12:29 PM. Reason: add info |
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#7 |
Senior Member
![]() Join Date: Jan 2005
Location: Claremore, OK 74017
Posts: 2,640
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Re: Front crossmember conversion questions.
5 lug starts at 71.
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68 Short Stepside C-10 69 SWB C-10 70 Flatbed C-20 70 LWB C-20 BB402 70 LWB C-10 CST 70 LWB C-10 CST 71 Short Stepside Cheyenne C-10 72 LWB C-10 72 Blazer 4x4 4spd 95 Jeep Cherokee 4x4 |
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#8 |
Registered User
Join Date: Oct 2006
Location: Dundee, Oregon
Posts: 311
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Re: Front crossmember conversion questions.
Saw a thread a few days ago about installing 90's six lug rotor onto 84 five lug rotors. I dont remember the details, but it sounded possible. Keep searching.
Jason |
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#9 |
Registered User
Join Date: Sep 2006
Location: Omaha, NE
Posts: 1,982
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Re: Front crossmember conversion questions.
and on rear axles, be aware that 71-2 axles are longer than 67-70. so the axles themselves are not a direct swap, but it is easy enough to switch the entire housing. my advice is to find any truck 71-87 and steal the drivetrain from it. crossmember and all. or just control arms and spindles.. whatever.. if you take the rearend from a 73-87 you will have to clean off the old leaf spring mounts and have some new t-arm mounting locations welded on, and keep in mind you will need a panhard bar, but thats not a big deal. also if you get a 73-87, get the power brakes setup and the power steering box (if equipped) because of the quicker ratio. hope this helps!
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-1947 3100 -1968 C10 -1970 K20 Last edited by ghetto_superman; 01-16-2007 at 12:47 PM. |
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#10 |
Long Fleet Club
Join Date: Aug 2006
Location: Deer Park, TX
Posts: 5,666
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Re: Front crossmember conversion questions.
Going through Moroso for the rear axle I just have to give them the measurments, spline count and what lug pattern. They will be custom.
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Chris Meeks '69 Chevy Custom/10 Long Bed <-- Thread of the work I did before selling. Truck is now finished to the new owners design and running around. I was shown some pictures of the finished product. At least it survived the junk yard. FAQ Index by Krue Site Vendors Subscribe Here Forum Rules |
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#11 |
Senior Member
Join Date: Apr 2005
Location: Joppa, Maryland
Posts: 4,408
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Re: Front crossmember conversion questions.
I plan on doing the exact thing that you want too do. From what I have read on here, 1990 3/4T 2X4 light duty has 6 lug rotors that fit onto the 73/84 front 5 lug spindle. Now that year may be spread onto other years, like 88 thru 98. They are available thru Autozone and others. You will have too change the lugs. They are metric. I'm not sure on the bearings though, but I think I read on here that the 73/84 bearings will go in the new rotors.
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1997 GMC Sierra Ext 1965 Mustang |
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#12 |
Long Fleet Club
Join Date: Aug 2006
Location: Deer Park, TX
Posts: 5,666
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Re: Front crossmember conversion questions.
70GMCer
Can you try to find that again about the rotors and add the link to this thread. I keep having to dodge the boss here. So it's hard to do a search at work.
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Chris Meeks '69 Chevy Custom/10 Long Bed <-- Thread of the work I did before selling. Truck is now finished to the new owners design and running around. I was shown some pictures of the finished product. At least it survived the junk yard. FAQ Index by Krue Site Vendors Subscribe Here Forum Rules |
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#13 | |
Registered User
Join Date: Apr 2001
Location: DALLAS,TX
Posts: 21,977
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Re: Front crossmember conversion questions.
Quote:
6-lug rotors are available to fit the 71-87 style spindles if that's what you need. You can get them from most of this sites vendors.
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67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. |
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#14 |
Senior Member
Join Date: Apr 2005
Location: Joppa, Maryland
Posts: 4,408
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Re: Front crossmember conversion questions.
http://67-72chevytrucks.com/vboard/s...ad.php?t=35042
http://67-72chevytrucks.com/vboard/a.../t-197826.html
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1997 GMC Sierra Ext 1965 Mustang |
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#15 |
Registered User
Join Date: Jan 2007
Location: Portland Or
Posts: 23
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Re: Front crossmember conversion questions.
OK guys, just remember that ANYThing that has to do with the front suspension on a 1960 to 1987 Chev or gmc 2wd truck, blazer or sub will interchange as long as you use the parts from the same year. I'll explaine, say you have a 1965 3/4 ton 2wd Chev truck and you want to convert it over to a 5 lug bolt pattern front and rear. Then let's say that you have a 1980 Chev 1/2 ton 2wd parts truck that has complete front and rear suspension intact. Strip all the 3/4 ton suspension junk off the 1965 including the brake lines, leaving just the crossmember. Now you can install all the steering componets (except the PS box) onto the 1965 truck. You will want to carefully retain the complete brake system as that will fit right on the 1965 truck also. If you have a leaf spring rear suspension then the 1980 rear end will basicaly work in the 1965 truck. (Use the u-bolt system from the 1980 truck to attach the leafs to the rear end n the 1965. If you have the coil spring rear suspension the the easiest way to get 5 lug in the rear is obtain a complete rear end out of a 1971 or 72 c-10 it will bolt right in. I definetly have not covered every last little thing, but if you can bolt and unbolt you can do this.
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#16 |
I am a Referee of life.
Join Date: Jun 2000
Location: Greensboro N.C.
Posts: 13,993
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Re: Front crossmember conversion questions.
Some of the BB vendors carry conversion kits for this swap.Most can get just rotors also.I would contact one of them and see if the spindles are the same from the disc to drum.If so then you can go either way,since the rotors come in both 5 and 6 lug.I doubt there's any difference but you never can tell.GM kept most stuff interchangable for years.
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