I'll buy the beer...
I am going to change the gears in my rear end. I have never done this, and some experienced overwatch / guidance would be greatly appreciated. You bring your experience, and I'll buy the beer...Located 30 miles West of Daytona. Very flexible on the time.
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When are you planning on doing this? Where exactly are you? Do you have a shop manual. Setting up a rear end is a funny thing and requires some close tolerances. I am in Deland so I may be able to help out, but this weekend we are at the Mike Kelley Cruise News Beach Blast in Cocoa, and we have a cam and headers planned sometime soon on Lasombra52's car.
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I am in Debary, right down the road from you. As for when, I am probably going to wait until early to mid June. I am going to Germany for 3 weeks (work) but after that, I should be able to yank the rear. I can't imagine it taking more than 4 hours for an experienced tech, with the rear in the car, so I figured I'd pull the rear out, and do it on the workbench, to make it easier. I am also going to weld the tubes, and install a solid pinion spacer (replace the crush sleeve) and main cap studs.
If you are down to hang out for a while and let me know when I am about to screw up, that would be awesome. Also, if you wouldn't mind, I'd like to help / watch the cam headers install. Mainly the cam, I haven't done one of those yet, headers I've done a few times (LT and LS). |
Oh, and no shop manual...but I have gotten this far without one. I am not sure if thats good or bad, but I have read some amazing, clearcut write-ups that made me feel like I can do it.
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What does your car look like? I don't recall seeing an LT1 SS in town lately. :confused:
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Originally Posted by new 97SS
(Post 5374267)
I am going to change the gears in my rear end. I have never done this, and some experienced overwatch / guidance would be greatly appreciated. You bring your experience, and I'll buy the beer...Located 30 miles West of Daytona. Very flexible on the time.
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86 Iroc - Car is white, with full exhaust and a flowmaster with stock tips (I know, it has to go)
Joe1320 - This is why I thought I could do it...please let me know if I am way off the mark. There is a write-up http://www.keliente.com/gears1.htm where a guy did the same thing. From my understanding, the shims are there the locate the posi unit/ring gear, with respect to the pinion gear. I am not changing the posi unit, so I thought that reusing the old shims in the same spots, should work because I don't have any whine right now, with the 4.10's (going to 3.42's for the gas). I am not looking to hurt my car, or my wallet, but based on that write-up, I think it can be done. what do you think? |
Originally Posted by new 97SS
(Post 5376233)
86 Iroc - Car is white, with full exhaust and a flowmaster with stock tips (I know, it has to go)
Joe1320 - This is why I thought I could do it...please let me know if I am way off the mark. There is a write-up http://www.keliente.com/gears1.htm where a guy did the same thing. From my understanding, the shims are there the locate the posi unit/ring gear, with respect to the pinion gear. I am not changing the posi unit, so I thought that reusing the old shims in the same spots, should work because I don't have any whine right now, with the 4.10's (going to 3.42's for the gas). I am not looking to hurt my car, or my wallet, but based on that write-up, I think it can be done. what do you think? I'll look for your car when I'm out and about. I drive my red 91' Z28 99% of the time. I drive my 2000 Z28 sometimes, it's black, VFN Sunnoco hood, Weld Drag Stars, loud as fawk... hard to miss it. |
Aside from weekends (when I am in town), I work in Orlando. I'll keep my eye out, usually cruising around Saxon or 17/92.
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I work in Winter Park durring the week, I frequent 17-92 and 436. I don't dare drive the 2000 on I-4... last time I did - some tard in a 300zx tried me from a 55 roll. It got ugly really fast. Let's just say that's one video clip I don't expect them to post. :D
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i would throw her around a time or two
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new 97SS-
Take it to this shop and they'll do it perfectly for you, trust me. I bring my car to them when I need something done beyond my skill. http://www.hbt.4t.com/index.html They're about 25 min. from you. Ask for Lloyd. |
I read though the link. There are some portions I'm not too comfortable with. Using the same old pinion shim on every job makes me cringe. I guess my luck has been completely opposite. I've never had the same shims re-used, there's always a variance that needs to be made up somewhere and that's what the shims are for. I imagine that if you replace the stock gears with an identical set, the odds of re-using a shim are greatly increased. I just don't see that happening on a gear ratio swap. Also look into a solid pinion sleeve rather than a crush sleeve, it will reduce the chance of fluild leaks.
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New97SS, I don't know if you would be interested or not but I have the '94 Z in my sig with stock gears 3:42's I think and am looking to go to a 4:10 setup since mine is not a daily driver I don't care about the gas. I would be willing to swap the entire rear end units if you want. I think the only thing that would need to be changed would be the backing plates. . .can check for sure. Who put the 4:10's in yours and what kind are they if you might know??
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First, thanks to everyone for the input. I am still undecided about doing it myself or not...
I have seen "Master install kits" for sale, but can I just go get, or order a shim set with various sizes in there to facilitate the install? Like I said, I don't mind taking the weekend to do it, plus the rear will be out of the car. Slow is the name of my game when it comes to something like this. I really think it can be done, so long as there is no deadline involved. Am I out of my mind? BLDUN...I don't know what kind they are, or who installed them, I bought the car with them in there. I like them, and the mileage isn't that bad (19 city 20.5 hwy, both easy on the pedal), but I know that it'll go up to about 22/26 with 3.42s in there. I don't know if I am down for swapping rears with you. I don't know how mine was driven prior to me owning it and I would hate for it to grenade on you a week after the swap. I would feel like I should pay for it... |
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