Should I take an AOR deal, or is it transmission rebuild time?
#1
Drifting
Thread Starter
Should I take an AOR deal, or is it transmission rebuild time?
I've got a fair amount of lash in my transmission, I'm assuming from the ring and pinion. My local mechanic is keen to rebuild mine this winter, but it's not an AOR, and Lart has one on Ebay right now that he said he'd ship me for $1500, all-in.
http://www.ebay.com/itm/Porsche-89-9...item3a6bee87f8
That's almost certainly cheaper than the rebuild, and mine doesn't have the cooler. Thoughts? Could I re-shim the pinion myself without ruining it? The rest of my transmission is really good...
http://www.ebay.com/itm/Porsche-89-9...item3a6bee87f8
That's almost certainly cheaper than the rebuild, and mine doesn't have the cooler. Thoughts? Could I re-shim the pinion myself without ruining it? The rest of my transmission is really good...
#2
Rainman
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see what the cost of the rebuild is...around here its ~$2000, but that gets you a fresh trans...you're saving $500 but getting gears, synchros and an LSD with 164k on them...
944online will do it for ~$1300 + s/h...http://944online.com/cgi-bin/ASI_Sto...ssion-944turbo
944online will do it for ~$1300 + s/h...http://944online.com/cgi-bin/ASI_Sto...ssion-944turbo
#3
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#5
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http://www.ebay.com/itm/Porsche-951-...item230c8b38df
#6
Drifting
Thread Starter
Ha!
Spencer, thanks for the tip. I'll ask my guy for a price on the rebuild. Does anyone know whether you can do the R&P without going all the way into the transmission? Mine only has about 70K miles on it, and everything is great, except the lash, so if I can save it cheaply, I will.
Spencer, thanks for the tip. I'll ask my guy for a price on the rebuild. Does anyone know whether you can do the R&P without going all the way into the transmission? Mine only has about 70K miles on it, and everything is great, except the lash, so if I can save it cheaply, I will.
#7
Rainman
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next time u need me I'll refer you to the best seller on ebay, Pre****sion Moron sports, here is your next atmospheric dump pipe
http://www.ebay.com/itm/Porsche-951-...item230c8b38df
http://www.ebay.com/itm/Porsche-951-...item230c8b38df
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#8
Drifting
I've got a fair amount of lash in my transmission, I'm assuming from the ring and pinion. My local mechanic is keen to rebuild mine this winter, but it's not an AOR, and Lart has one on Ebay right now that he said he'd ship me for $1500, all-in.
http://www.ebay.com/itm/Porsche-89-9...item3a6bee87f8
That's almost certainly cheaper than the rebuild, and mine doesn't have the cooler. Thoughts? Could I re-shim the pinion myself without ruining it? The rest of my transmission is really good...
http://www.ebay.com/itm/Porsche-89-9...item3a6bee87f8
That's almost certainly cheaper than the rebuild, and mine doesn't have the cooler. Thoughts? Could I re-shim the pinion myself without ruining it? The rest of my transmission is really good...
The rebuilt quote is fine, but if you need a new R&P, they must have decent used parts ready for your box. Know, you will still have a "used" transmission when they are done.
Any mods to your car creates heat, therefore getting a smoking deal on a 951 with a cooler is worthwile. When Lart states the used part is worthy, know it's fine.
#9
Drifting
I've got a fair amount of lash in my transmission, I'm assuming from the ring and pinion. My local mechanic is keen to rebuild mine this winter, but it's not an AOR, and Lart has one on Ebay right now that he said he'd ship me for $1500, all-in.
http://www.ebay.com/itm/Porsche-89-9...item3a6bee87f8
That's almost certainly cheaper than the rebuild, and mine doesn't have the cooler. Thoughts? Could I re-shim the pinion myself without ruining it? The rest of my transmission is really good...
http://www.ebay.com/itm/Porsche-89-9...item3a6bee87f8
That's almost certainly cheaper than the rebuild, and mine doesn't have the cooler. Thoughts? Could I re-shim the pinion myself without ruining it? The rest of my transmission is really good...
#10
Rennlist Member
What do you mean by "a fair amount of lash" in the transmission? A 70k trans should be in pretty good shape unless it has a ton of track/race miles or was run with little fluid in it.
No point in checking or reshimming the original factory R/P setup unless replacing or rebuilding something. Re-shimming the R/P would be needed if you replace the diff and pinion bearings. And yes, it requires complete disassembly.
No point in checking or reshimming the original factory R/P setup unless replacing or rebuilding something. Re-shimming the R/P would be needed if you replace the diff and pinion bearings. And yes, it requires complete disassembly.
#11
Drifting
Thread Starter
George, thanks for the input. I would love to do it myself, but I understand that it's tough to get the right shims.
Specifically, if I jack one side up and turn the drive wheel, I can turn it +20 degrees and -20 degrees or so before the transmission stops me. It feels like a lot of rotation.
Okay, I was worried about that, but hopeful that the R/P could be done without opening the transmission. I'll talk to my mechanic, today.
Specifically, if I jack one side up and turn the drive wheel, I can turn it +20 degrees and -20 degrees or so before the transmission stops me. It feels like a lot of rotation.
Okay, I was worried about that, but hopeful that the R/P could be done without opening the transmission. I'll talk to my mechanic, today.
#12
Rennlist Member
There is always some "take-up" in the drive line. Not sure I have ever measured or taken note of how much is typical. Open diff or LSD, checked when in neutral or in gear?
#14
Drifting
Thread Starter
That has nothing to do w/ the R/P backlash and preload. Are you getting any unusually loud whine or rattling when driving?
There is always some "take-up" in the drive line. Not sure I have ever measured or taken note of how much is typical. Open diff or LSD, checked when in neutral or in gear?
There is always some "take-up" in the drive line. Not sure I have ever measured or taken note of how much is typical. Open diff or LSD, checked when in neutral or in gear?
I checked the play while parked in first gear by jacking up the driver's side. It's a factory LSD Turbo transmission without cooler. The LSD is gripping well, for what it's worth.