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#1 |
Saving 1 truck at a time!
Join Date: Aug 2001
Location: Kent, WA
Posts: 6,465
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12 Bolt Coversion from 6-lug to 5-lug
What years do the axles interchange or are there slight differences? What else needs to be changed...backing plates and brake assy or just hubs?
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'68 C20 Longhorn 50th Anniversary 400/TH400 '68 C20 Longhorn 50th Anniversary 468/TH400w/buckets '72 C20 Halfhorn (Longhorn w/o cab and front clip) '69 Flxible Cruiser (look up ugly in the dictionary) |
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#2 |
Registered User
Join Date: Jan 2004
Location: NH
Posts: 2,266
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the 5 lug axles are longer, CPP sells a set of 5 log axles that bolt right in. I have seen some posts about guys making adapters to space out the difference so they could use the later axles..
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#3 |
Senior Member
Join Date: Apr 2000
Location: Orlando, FL
Posts: 1,076
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Another source for the axles are Early Classic Enterprises. ECE. Pretty simple. Take out the old axles and put the new ones in.
Others have redrilled the six lug axles for the five bolt pattern. That probably is the cheapest route to take.
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............................................................ 68 Chevy CST SWB w/LS1, carb & 700r4. Golden Anniversary clone with a few improvements. |
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#4 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Looking at your signiture, this info probably will not help, but many of the 70 trucks had the wide axle under them, in which the 5 lug axles slide right in. No mods needed.
But on 69 and older, it is not a direct swap, and re-drilling would probably be the cheapest route. |
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#5 |
Saving 1 truck at a time!
Join Date: Aug 2001
Location: Kent, WA
Posts: 6,465
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Thanks guys, that helps quite a bit...how did you know that I am a minimalist at heart...LOL! Good thing my buddy owns a machine shop!
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'68 C20 Longhorn 50th Anniversary 400/TH400 '68 C20 Longhorn 50th Anniversary 468/TH400w/buckets '72 C20 Halfhorn (Longhorn w/o cab and front clip) '69 Flxible Cruiser (look up ugly in the dictionary) |
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#6 |
Registered User
Join Date: Jun 2001
Location: barnum
Posts: 127
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From six to five
Just done it today.Switch 5 lug axles from71 truck to my 70 and they where a perfect match,in length and dia.Starting on front next to get disc brakes.
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#7 |
Registered User
Join Date: Jul 2001
Location: North Louisiana
Posts: 4,501
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Did you have to change anything else except for the drums?
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Wynne 70 CST short fleet Hugger orange & white, 350/350, ps, pb, air, tilt, tach/vac/speedwarning, original buckets, AM/FM, oak bed floor, shoulder belts, 3.5"/5.5" drop, 20" American Racing VN425s. Build thread 53 Chevy shortbed 69 Camaro Click here to subscribe Chevy GMC International Truck Club Louisiana Charter Member http://www.louisianaclassictruckclub.com |
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#8 |
Keepin an eye out
Join Date: Feb 2003
Location: So.Cal
Posts: 3,921
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Another thing to consider is, using later model (73-87) larger rear brakes. That would require backing plates, drums, pads and hardware off the later model truck. You can use the same e-brake cables.
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1970 Chevy C10 SWB 5.3 1996 Toyota Tacoma SR5 4x4 2007 Vespa GTS 250 Scooter ZIP 91351 |
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#9 | |
Registered User
Join Date: Jun 2001
Location: barnum
Posts: 127
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Quote:
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#10 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Well...5 lug wheels might make it easier to drive.
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#11 | |
Registered User
Join Date: Jan 2003
Location: Washington State
Posts: 8,834
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Quote:
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1970 Chev CST 2003 Harley Fatboy 1975 Chevrolet Step Van 1956 Chev Bel Air 1977 Blazer 2WD For Sale $3000.00 1978 Blazer 2WD For Sale $7000.00 1978 Silverado 2005 Monte Carlo |
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#12 |
Senior Member
Join Date: Jun 2001
Location: Shelbyville, KY
Posts: 3,269
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Similar question with a twist---what about 4x4 axels? Can you swap out the 6 lug rear axel shafts with a 2x4 5 lug axel shaft--assuming they are 71-72 models? There by using a 4x4 axel on a 2x4 5 lug truck-----
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#13 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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I can't remember what happened, but the 4X4 did have a width deal on there's too...but I don't know what to what though.
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