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Post by eidairman1 on Sept 12, 2022 22:54:23 GMT -5
I have a 2007 Classic (GMT800) Silverado, which I know as of 2005+ they put a drum rear end on. My RPO Code is JF7 for the brakes (13" rotors up front-drum rear 17" wheels).
Im not sure about the Ring Gear but it is either 8.5 or 8.625" (10 bolt rear)
I am looking to get a 9.5" ring gear (14 Bolt Semi Float) rear end with disc (dual piston rear caliper) with a GT4 (3.73) G80(Posi).
Im presuming i need the parking brake cables possibly a different master cylinder/booster and proportioning valve?
Issue is Im having difficulty locating it.
I could maybe get a complete disc rear module (backing ate with the parking shoe and mounts as a gm pn, with the 13" disc and dual piston calipers, and mount on a 14 bolt drum rear.
I have 6 lug wheels.
Any clue in TX to look?
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Post by ShrimpBrime on Sept 12, 2022 22:59:45 GMT -5
Those are factory 3:73 and limited slip posi..
Junk yards.
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Post by eidairman1 on Sept 13, 2022 15:33:41 GMT -5
Those are factory 3:73 and limited slip posi.. Junk yards. Was thinking a website or something lol |
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Post by ShrimpBrime on Sept 13, 2022 18:38:40 GMT -5
Those are factory 3:73 and limited slip posi.. Junk yards. Was thinking a website or something lol We have a place local in Chicago called Drive train. Not sure what you'd have down in your neck of the woods though. |
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Post by eidairman1 on Sept 16, 2022 16:03:59 GMT -5
Was thinking a website or something lol We have a place local in Chicago called Drive train. Not sure what you'd have down in your neck of the woods though. Thats nice, we have LKQ pick a part but they want 40-60 entrance fee ontop of the parts price, plus you pull the part off any junker there yourself, potential for anything that stings or bites at that place. |
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Post by ShrimpBrime on Sept 16, 2022 16:15:53 GMT -5
We have a place local in Chicago called Drive train. Not sure what you'd have down in your neck of the woods though. Thats nice, we have LKQ pick a part but they want 40-60 entrance fee ontop of the parts price, plus you pull the part off any junker there yourself, potential for anything that stings or bites at that place. Drive train is not a junk yard, they probably ship cross country... not sure check it out. drivetrainservice.com/ |
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Post by eidairman1 on Oct 24, 2022 21:25:52 GMT -5
Thats nice, we have LKQ pick a part but they want 40-60 entrance fee ontop of the parts price, plus you pull the part off any junker there yourself, potential for anything that stings or bites at that place. Drive train is not a junk yard, they probably ship cross country... not sure check it out. drivetrainservice.com/I may just take my existing axle and build it up stronger (axles, bearings, diff, bridging of axle tubes) |
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Post by ShrimpBrime on Oct 25, 2022 13:11:02 GMT -5
Drive train is not a junk yard, they probably ship cross country... not sure check it out. drivetrainservice.com/I may just take my existing axle and build it up stronger (axles, bearings, diff, bridging of axle tubes) Some bullet proofing will do I think. Parts are a bitch to get hold of these days, seems to slowly be getting better. |
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Post by freeagent on Oct 27, 2022 10:43:10 GMT -5
Parts for older vehicles up here are really tough to come by these days. They want old vehicles off the road, this is how it's done  |
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Post by eidairman1 on Oct 30, 2022 23:19:46 GMT -5
Parts for older vehicles up here are really tough to come by these days. They want old vehicles off the road, this is how it's done Its all a money scam |
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Post by cssorkinman on Nov 8, 2022 23:55:09 GMT -5
I don't know what you are looking to spend, but there are a couple on ebay that might work - $1000 though. -" 2010 GMC Sierra 2500 6.6l Pickup REAR AXLE ASSEMBLY 3.73 RATIO GT4 14 bolt"
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Post by eidairman1 on Nov 23, 2022 23:57:47 GMT -5
I don't know what you are looking to spend, but there are a couple on ebay that might work - $1000 though. -" 2010 GMC Sierra 2500 6.6l Pickup REAR AXLE ASSEMBLY 3.73 RATIO GT4 14 bolt" I may find another 10 bolt and have it built with heavier axles just weighing my options |
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Post by ShrimpBrime on Nov 24, 2022 3:02:19 GMT -5
Well you could try and find a 2500HD axle. Probably only need to modify the spring perch location, maybe shock mounts. That would be 8 lugs, but still the same pinion and ring gear ratio of 3:73. I don't recall if those are open diff or lockers, but I think they are open rear ends. But you wouldn't need to beef that up. Plenty for a 1500 I think. Have a couple spring leafs added and you could haul 3/4-1ton no problem  |
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Post by Bones on Nov 24, 2022 8:31:08 GMT -5
Well you could try and find a 2500HD axle. Probably only need to modify the spring perch location, maybe shock mounts. That would be 8 lugs, but still the same pinion and ring gear ratio of 3:73. I don't recall if those are open diff or lockers, but I think they are open rear ends. But you wouldn't need to beef that up. Plenty for a 1500 I think. Have a couple spring leafs added and you could haul 3/4-1ton no problem I believe those are limited-slip.... Which is good. |
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Post by eidairman1 on Nov 24, 2022 11:35:21 GMT -5
Well you could try and find a 2500HD axle. Probably only need to modify the spring perch location, maybe shock mounts. That would be 8 lugs, but still the same pinion and ring gear ratio of 3:73. I don't recall if those are open diff or lockers, but I think they are open rear ends. But you wouldn't need to beef that up. Plenty for a 1500 I think. Have a couple spring leafs added and you could haul 3/4-1ton no problem Im looking to keep it 6 lug. Keeping the stock 17" wheels, adding a lift (unsure if I want a body or suspension lift or combination of the 2, to fit 285, 305 or 33" tires. Will be looking to get the factory 2 piston calipers out back. Well you could try and find a 2500HD axle. Probably only need to modify the spring perch location, maybe shock mounts. That would be 8 lugs, but still the same pinion and ring gear ratio of 3:73. I don't recall if those are open diff or lockers, but I think they are open rear ends. But you wouldn't need to beef that up. Plenty for a 1500 I think. Have a couple spring leafs added and you could haul 3/4-1ton no problem I believe those are limited-slip.... Which is good. I can always get a LSD for the rear. I have a GU5 (3.42 or 3.23) (Standard Diff) with drums, looking to go full disc. My only issue is im not a welder lol. Im trying to do as much factory as i can, maybe a 4x4 rear end? |
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Post by ShrimpBrime on Nov 24, 2022 13:15:07 GMT -5
Welding is pretty easy. But if you've never done it, have a buddy help.
I don't think you need a beefier axle just for a lift and 33's, though disk brakes would be nice.
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Post by eidairman1 on Nov 25, 2022 1:32:09 GMT -5
Welding is pretty easy. But if you've never done it, have a buddy help. I don't think you need a beefier axle just for a lift and 33's, though disk brakes would be nice. Case in point was not those but to increase overall capacity of the truck (it's paid off). It's not going sky high but will have a steeper rake and Y'all say I can add another leaf to make it 1 ton capable? If I cant find a 1500 6 lug 14 bolt SF (9.5" Ring) I will just build up a 8.625 10 bolt. Im not going to have FF axles turned down and a custom bolt pattern made. At 200,000 is when I will do the timing set, possibly add a HV/HP oil pump with a Truck norris cam with dual valve springs (fail safe) |
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Post by ShrimpBrime on Nov 25, 2022 11:05:35 GMT -5
Well more than 1 leaf added. At least 2. But I've built up many pickup springs in my time. Nobody ever did an axle swap for it though.
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Post by eidairman1 on Nov 25, 2022 13:27:07 GMT -5
Well more than 1 leaf added. At least 2. But I've built up many pickup springs in my time. Nobody ever did an axle swap for it though. Its about the Ring and Pinion, the AAM 11.5 is on 1 ton trucks, I was looking to wreckerfy my truck |
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Post by eidairman1 on Mar 27, 2023 23:06:10 GMT -5
Looks like I will be doing a Timing refresh on my truck, later on will do a Dual Valve Spring with Truck norris cam and upgraded rocker fulcrums
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