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11-27-2011, 10:38 AM
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#1 |
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Registered User
 Join Date: Apr 2009
Location: Belton, Texas
Posts: 32
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78 rearend in 67
Can a 78 rearend fit in a 67? Do I have to alter it to make it fit if i want run 22 in the rear and lay frame
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11-27-2011, 11:12 AM
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#2 |
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Registered User
Join Date: Jan 2009
Location: marion nc
Posts: 588
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Re: 78 rearend in 67
assuming your 67 is a leaf spring truck no. the leafs are wider in 73 up rears, so it wont just bolt right in. why you want the 78 rear? just curious
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69 short fleet 350/350 "under construction" 70 short step 307/3 speed Last edited by redbaron69; 11-27-2011 at 09:28 PM. |
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12-04-2011, 09:42 PM
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#3 |
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Registered User
Join Date: Apr 2009
Location: Belton, Texas
Posts: 32
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Re: 78 rearend in 67
I wanted to change the bolt pattern from 6 to 5. I got the 78 12 bolt for almost free. I don't have a bed on my truck yet so I'm not sure how big i can go in the rear. I welded in a stepnotch and tacked in PB four link
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12-04-2011, 11:08 PM
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#4 |
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Registered User
Join Date: Jan 2009
Location: marion nc
Posts: 588
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Re: 78 rearend in 67
well if you doing all them mods......sure. the 78 12 bolt will have the same track width as a discs brake conversion. you should be good to go.
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69 short fleet 350/350 "under construction" 70 short step 307/3 speed |
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12-07-2011, 01:23 AM
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#5 |
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Registered User
Join Date: Mar 2011
Location: Kansas City, Missouri
Posts: 3,541
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Re: 78 rearend in 67
You can install the 78 rearend and have no problem with it matching up with the leaf springs but you will have to move the shock mounts. I put a complete 1974 Chevy 1/2 suspension under my 67 gmc. It isn't a hard to do at all, just alot of motivation.
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Scott |
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02-15-2012, 09:54 PM
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#6 |
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Registered User
Join Date: Apr 2009
Location: Belton, Texas
Posts: 32
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Re: 78 rearend in 67
rear end is fitting fine, no clue still on what size tire I can run. 22 is the goal in the rear with 20s up front
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02-16-2012, 01:02 AM
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#7 | |
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Registered User
Join Date: Apr 2001
Location: DALLAS,TX
Posts: 22,064
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Re: 78 rearend in 67
Quote:
Tire size could be 265-40-22 or 285-35-22's on a 9" wheel or about 29.8 - 30.25" tall. A 20x8.5" front, 5.25-5.75" bs & 245-40 or 255-40 would be a good match.
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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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02-24-2012, 11:56 AM
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#8 |
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Registered User
Join Date: Apr 2009
Location: Belton, Texas
Posts: 32
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Re: 78 rearend in 67
So what size would tuck under mine? My rearend is a 78
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02-26-2012, 12:54 AM
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#9 |
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Registered User
Join Date: Feb 2012
Location: jonesboro, GA
Posts: 79
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Re: 78 rearend in 67
I have a 1965 gmc 10 bolt 6 lug that im taking out and got a 77" c10 12 bolt 5 lug rear end
its my first swap , what should I be looking for?? or pay attention to wen im swapping it out, iam I going to have to modifie anything ? Do I use the original leaf springs from the 65" on it or the ones from the 77"??? Posted via Mobile Device |
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02-26-2012, 01:04 AM
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#10 |
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Registered User
Join Date: Feb 2012
Location: jonesboro, GA
Posts: 79
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Re: 78 rearend in 67
Whats the best choices I wanna run 15" steelies on my truck 65' gmc long bed step side.. Rim ls and tires I want a mean agressive look on them
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