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#1 |
Dreams are free
Join Date: Dec 2002
Location: Hogansville Texas
Posts: 546
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I tore apart my rear end tonight, That I'd plan on using in my '68,
It is a 5 lug, that I got out of a '71, along with the disk brake front end, when I got into it , the spider gears are wore out, along with the shaft, My question is, shoud I hunt for new spider gears( I have another 71 rearend, that could be in the same or worst shape, also have a '68 six lug rearend(that I beleive the spider gears will interchange), or with a hopped up 454 W/ turbo 400, should I look for a different rearend? with lower gears? current gears are 3.08, do I need lower gears? This will not be a daily driver, It will be a romper stomper week end toy, that I hope to out run some folks with.... what are ya'lls thoughts, and opinions
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'68 swb fleetside originally w.i.p '68 member since 1-01 w.i.p = ( work in progress ) |
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#2 |
Dreams are free
Join Date: Dec 2002
Location: Hogansville Texas
Posts: 546
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Anybody??
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'68 swb fleetside originally w.i.p '68 member since 1-01 w.i.p = ( work in progress ) |
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#3 |
Senior Member
Join Date: Jul 2001
Location: Muskegon,MI,USA
Posts: 6,026
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With a 454 and how you are going to drive it, I would be looking at a 3:73 to 1 differential. I would go with a new posi carrier and gear set. The new posi's are not too bad in cost now and you can get a good one for under $300, (Tom's Differentials is one vendor) . I think new gears are around $150 and the bearing installation kit is around $100. This would give you a good strong rear end and let you play!
JIm |
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#4 |
Dreams are free
Join Date: Dec 2002
Location: Hogansville Texas
Posts: 546
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Yeah I would love a posi, and the 3.73 ratio I think would be a better ratio, now for a new question, what trucks sould I look for to pirate a rearend out of, for lower gears is there something to look for, I could buy gears, and a posi unit, but would rather put money else where...
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'68 swb fleetside originally w.i.p '68 member since 1-01 w.i.p = ( work in progress ) |
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#5 |
Registered User
Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,720
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I would be surprised if that six lug rear you have wasn't 3.73. Unless it is a '70. If it IS a '70, you could just swap the 71 axles into the housing along with brake drums. If it is a '69 you can swap the ring and pinion along with the carrier into your housing. While not precise, the machining on the housings is reasonable consistent, and it would be a good learing experience
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44 Willys MB 52 M38A1 64 Corvette Coupe 68 Camaro 'vert LT1 & TH700 69 Z/28 355 12.6's @110 69 Chevy Short Step 4 1/2"/7" drop 72 Jimmy 4WD 4spd 4" & 35's 02 GMC 2500HD 4x4 Duramax |
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#6 |
Registered User
Join Date: Feb 2002
Location: Vacaville, CA
Posts: 2,746
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I was told that the 3.73 gears have a 41 tooh ring gear, and 11 tooh pinion. So, they would have 41..11 stamped in the gears. I think they came in the 6 cylender trucks, but unless you happen to come across one in a self service yard, I would just get new gears, because at least all of the places I talked to sell an axle with 3.73 gears for about $5-600.
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![]() ![]() 99 Pontiac S/C GTP, SLP Ram Air hood, GMPP Konis & springs 95 Neon ACR, MP PCM, AFX UDP, 3.0 CAI |
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#7 |
Used to have a truck
Join Date: May 2002
Location: port orchard WA
Posts: 1,552
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I see them all the time in the paper for $200-$300. The junkyard is the absolute last place to buy rear ends.
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No truck :-( |
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#8 |
Registered User
Join Date: Feb 2002
Location: Vacaville, CA
Posts: 2,746
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I wish I lived in your area. If I found one in Pick & Pull it would be like $160, but any of the places around here that sell chevy parts don't even usually have them, and if they do thay are $$$.
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![]() ![]() 99 Pontiac S/C GTP, SLP Ram Air hood, GMPP Konis & springs 95 Neon ACR, MP PCM, AFX UDP, 3.0 CAI |
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#9 |
Used to have a truck
Join Date: May 2002
Location: port orchard WA
Posts: 1,552
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You dont want to live here ! It rains too damned much! That more than makes up for the abundance of cheap old chevy truck parts.
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No truck :-( |
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