996 40th Anniversary Edition Registry & FAQ
#136
Anyone can help with this question? I'd like to replace this fall and may not want to use the Porsche fluid, if I even have a choice that is... someone must have done this to the 40th AE by now who can wade in on what they used/learned?
#137
Mine only had about 20K or so and looked just like that in the picture.
#138
Pro
Thread Starter
https://rennlist.com/forums/996-foru...ml#post7631524
We have the US M030 springs, shocks (grey dot).
We also have the M030 sways and M030 rear bump stops which are the same between US and ROW, so they might as well be called ROW.
The US M030 springs are indeed longer than ROW M030 springs, and the same "effective" length as the US stock suspension springs. so NO drop.
The US M030 springs have the same spring rate or stiffness as the ROW M030 springs which are both stiffer than stock.
The US M030 shocks are softer than ROW M030.
So you can replace the ROW M030 springs for the US M030 springs and still use the US M030 shocks, but you will probably wear out the US M030 shocks faster since they are softer and weren't designed for the lower ride height preload.
I would have got the X74 a long time ago, but SCCA stock precludes this. I replaced my US M030 shocks with koni yellows and I've been happy with the ride but not the stock height.
#139
Pro
Thread Starter
This car is a conundrum since friction modifiers typically used for LSDs can cause synchro mesh issues in the tranny.
Surprisingly, Porsche recommends for the 996 a 75w-90 GL5 oil (Shell Transaxle or Mobilube PTX) that probably has friction modifiers. (good for LSD, maybe bad for tranny).
I have heard of more trannies bust than LSDs, but both are possible.
In the past I've used a higher weight oil to protect the tranny since I autocross.
I switched to Redline 75W-140 NS. Non Slip = no friction modifiers. (maybe good for tranny, bad for LSD).
I've noticed that my 1st or 2nd cold shift is notchy, but after that tranny is pretty smooth. My LSD works fine at operating temp, but I've never tested it cold. Probably never will.
If shifting this winter is problematic, I may add Redline FM (friction modifier) which may be better for our LSD anyway.
If you don't autocross, I'd recommend either stock Porsche recs or Redline 75w-90 NS +/- Redline FM.
If you autocross or track your car, you may want to use my aggressive setup Redline 75w-140 NS +/- Redline FM.
That might be confusing. Oh well!
#140
Yes, when you look inside the bellows it doesn't look like that much crap. But when you take off the bellow and start "picking" at the cluster of crap it's a lot!
I was frankly surprised at home much crap there was myself! I know I won't be driving this thing come fall and all the leaves are all over the place. Next time I do this, I'll be putting a mesh behind the factory grills perhaps to catch this stuff.
#141
As I was mentioning in my previous post about cleaning out the radiator area. The real reason I had the bumper off was to do this!
Not sure if you notice, but I removed the grills and painted them black. I could not stand the silver grills on the car. Hopefully the paint is durable and doesn't chip from being sandblasted while driving!
I'll try to take some pictures in the day time for a better look!
Not sure if you notice, but I removed the grills and painted them black. I could not stand the silver grills on the car. Hopefully the paint is durable and doesn't chip from being sandblasted while driving!
I'll try to take some pictures in the day time for a better look!
#142
Three Wheelin'
Yoda, you read my mind I wanted to paint the intakes black as well how hard was that? What paint did you use? I was thinking of using plasticoat flat black.
#143
I ended up using the Krylon Fusion paint for plastic. Supposedly bonds to plastic better than regular spray paint. We'll see how it holds up! Based on reviews it looks like it's got pretty good reviews. Then again, putting it up front of the car is asking for it to be sandblasted as well.
#144
The car had 46k miles on it. Those pix don't do it justice. You start picking at the crap on it, and it just keeps coming. There's stuff sandwiched inbetween and behind as well.
Yes, when you look inside the bellows it doesn't look like that much crap. But when you take off the bellow and start "picking" at the cluster of crap it's a lot!
I was frankly surprised at home much crap there was myself! I know I won't be driving this thing come fall and all the leaves are all over the place. Next time I do this, I'll be putting a mesh behind the factory grills perhaps to catch this stuff.
Yes, when you look inside the bellows it doesn't look like that much crap. But when you take off the bellow and start "picking" at the cluster of crap it's a lot!
I was frankly surprised at home much crap there was myself! I know I won't be driving this thing come fall and all the leaves are all over the place. Next time I do this, I'll be putting a mesh behind the factory grills perhaps to catch this stuff.
Seems to me the difference between the 911 set-up and other cars is the fact there is no full perimiter foam seal between radiators, so debris swirls in-between and clogs up... not sure why these are designed this way, but wonder if retrofitting with a perimiter foam seal would stop this issue? Besides being offset, not sure why this Porsche set-up precludes the seal common on all other vehicles...
#145
Our tranny and gearbox LSD share a common chamber.
This car is a conundrum since friction modifiers typically used for LSDs can cause synchro mesh issues in the tranny.
Surprisingly, Porsche recommends for the 996 a 75w-90 GL5 oil (Shell Transaxle or Mobilube PTX) that probably has friction modifiers. (good for LSD, maybe bad for tranny).
I have heard of more trannies bust than LSDs, but both are possible.
In the past I've used a higher weight oil to protect the tranny since I autocross.
I switched to Redline 75W-140 NS. Non Slip = no friction modifiers. (maybe good for tranny, bad for LSD).
I've noticed that my 1st or 2nd cold shift is notchy, but after that tranny is pretty smooth. My LSD works fine at operating temp, but I've never tested it cold. Probably never will.
If shifting this winter is problematic, I may add Redline FM (friction modifier) which may be better for our LSD anyway.
If you don't autocross, I'd recommend either stock Porsche recs or Redline 75w-90 NS +/- Redline FM.
If you autocross or track your car, you may want to use my aggressive setup Redline 75w-140 NS +/- Redline FM.
That might be confusing. Oh well!
This car is a conundrum since friction modifiers typically used for LSDs can cause synchro mesh issues in the tranny.
Surprisingly, Porsche recommends for the 996 a 75w-90 GL5 oil (Shell Transaxle or Mobilube PTX) that probably has friction modifiers. (good for LSD, maybe bad for tranny).
I have heard of more trannies bust than LSDs, but both are possible.
In the past I've used a higher weight oil to protect the tranny since I autocross.
I switched to Redline 75W-140 NS. Non Slip = no friction modifiers. (maybe good for tranny, bad for LSD).
I've noticed that my 1st or 2nd cold shift is notchy, but after that tranny is pretty smooth. My LSD works fine at operating temp, but I've never tested it cold. Probably never will.
If shifting this winter is problematic, I may add Redline FM (friction modifier) which may be better for our LSD anyway.
If you don't autocross, I'd recommend either stock Porsche recs or Redline 75w-90 NS +/- Redline FM.
If you autocross or track your car, you may want to use my aggressive setup Redline 75w-140 NS +/- Redline FM.
That might be confusing. Oh well!
#146
Rennlist Member
40AE center caps
Does anyone have the Porsche part number for the center caps for the 40th anniversary wheels? I found them on the Suncoast website but they're quite pricey. I went to the parts department at my local Porsche dealer and he was found center caps in his computer system but wasn't sure that they were the right ones for those unique wheels. Any help would be appreciated. Thanks.
#147
Racer
Join Date: Apr 2002
Location: 40th Anni. South OC, CA
Posts: 285
Likes: 0
Received 0 Likes
on
0 Posts
#148
Rennlist Member
40th anniversary front wheel for sale
18" X 8" special edition front wheel for sale. Mint, like new condition! $450
or trade for 18" X 9" version.
or trade for 18" X 9" version.
#149
Pro
Thread Starter
Just what I was looking for, thanks! I am used to using Mobile 1 GL5 in that weight for my other gear boxes, not sure if it has any friction modifiers but I'll look... you did not mention that option but it meets the specs you outlined (75w-90 GL5). Where did you get those specs btw - my manual was silent on this.
https://rennlist.com/forums/996-gt2-...l-for-gt3.html
Renntech also has a list of the TSBs. in 2008 Porsche released a new TSB that lists the approved oils for the transmission / gearbox and supersedes the old TSB from 2000
#150
Hi there, new member, I've had a 40th anniversary 911 for almost two years now, completely touble free just a lots of fun. Daily driver / daily use, wouldn't have it any other way. Production # 843.