Notices
944 Turbo and Turbo-S Forum 1982-1991
Sponsored by:
Sponsored by: Clore Automotive

Best mod yet! S2 ring and pinion

Thread Tools
 
Search this Thread
 
Old 10-14-2005, 11:15 PM
  #16  
thingo
Rennlist Member
 
thingo's Avatar
 
Join Date: Feb 2005
Location: Sydney Australia
Posts: 1,135
Likes: 0
Received 9 Likes on 7 Posts
Default

I am just trying to convey information, I mean 944S, it is stronger than the S2, if I am incorrect, apologies, my mechanic has a lot of experience and would not encourage me to buy something not strong enough.
Old 10-15-2005, 01:33 AM
  #17  
DFASTEST951
Rennlist Member
 
DFASTEST951's Avatar
 
Join Date: Apr 2003
Location: Las Vegas NV
Posts: 2,841
Likes: 0
Received 6 Likes on 5 Posts
Default

And here's me trying to figure out how to get a much taller first gear as it's completely useless. Second isn't much better as I spin em' into mid third. Since we're on the subject, anyone have an answer? I want to get to 60mph in first gear. If the new vettes do it, I want to as well.
Old 10-15-2005, 01:40 AM
  #18  
TRWright
Addict
Lifetime Rennlist
Member
 
TRWright's Avatar
 
Join Date: Mar 2005
Location: Houston
Posts: 3,619
Likes: 0
Received 0 Likes on 0 Posts
Default

Originally Posted by DFASTEST951
And here's me trying to figure out how to get a much taller first gear as it's completely useless. Second isn't much better as I spin em' into mid third. Since we're on the subject, anyone have an answer? I want to get to 60mph in first gear. If the new vettes do it, I want to as well.
Joe, you can get to 60 mph in first gear!! You just need to downshift!!

Seriously though, doesn't Powerhaus make custom gears?
Old 10-15-2005, 01:44 AM
  #19  
RK951
Rennlist Member
 
RK951's Avatar
 
Join Date: Jul 2005
Location: Los Angeles
Posts: 539
Received 0 Likes on 0 Posts
Default

Iis the R&P from an S2 different than the '88 951S or '89 951?
Old 10-15-2005, 01:48 AM
  #20  
NZ951
Race Director
 
NZ951's Avatar
 
Join Date: Apr 2003
Location: New Zealand massive
Posts: 13,778
Received 5 Likes on 3 Posts
Default

Ted, you are confusing Powerhaus with PowerhausII
Old 10-15-2005, 01:50 AM
  #21  
TRWright
Addict
Lifetime Rennlist
Member
 
TRWright's Avatar
 
Join Date: Mar 2005
Location: Houston
Posts: 3,619
Likes: 0
Received 0 Likes on 0 Posts
Default

Originally Posted by Machtig Turbo
Ted, you are confusing Powerhaus with PowerhausII
OOPS! Are you serious though? There is really a difference?
Old 10-15-2005, 01:53 AM
  #22  
NZ951
Race Director
 
NZ951's Avatar
 
Join Date: Apr 2003
Location: New Zealand massive
Posts: 13,778
Received 5 Likes on 3 Posts
Default

No I thought it would be a cool joke.

www.powerhausII.com
Old 10-15-2005, 02:11 AM
  #23  
DFASTEST951
Rennlist Member
 
DFASTEST951's Avatar
 
Join Date: Apr 2003
Location: Las Vegas NV
Posts: 2,841
Likes: 0
Received 6 Likes on 5 Posts
Default

He's serious Ted. I've contacted PowerhausII. They talked to me about what I want to the tune of 25 grand. There's got to be a better way...
Old 10-15-2005, 02:39 AM
  #24  
z3bra
Racer
 
z3bra's Avatar
 
Join Date: Feb 2004
Location: Phoenix, Arizona
Posts: 495
Likes: 0
Received 0 Likes on 0 Posts
Default

Well here's the ratios on the C6 transaxles That's why they get to 60 in first.

Gear ratios auto 6spd Z51 pkg
1st gear 4.02 2.66 2.97
2nd gear 2.36 1.78 2.07
3rd gear 1.53 1.30 1.43
4th gear 1.15 1.00 1.00
5th gear 0.85 0.74 0.71
6th gear 0.67 0.50 0.57
Reverse 3.06 2.90 3.28
Final drive 2.56 3.42 3.42

(sorry for the crooked formatting there)

Guess you could get a hold of Powerhaus II or swap in a vette transaxle. The Vette one would handle the power you're putting out better and you'd get a relatively inexpensive 6 speed out of the deal. Maybe not a bad idea at all provided it can fit without major modification of sheetmetal. From a couple pictures I've looked at though, it looks like the axles come out toward the rear of the housing instead of toward the front like they do on our cars. If not there's always something like Hewland if you don't mind dropping $20k on a hardcore racing transmission.

Ok scratch that, I had to go and look, the Hewland NLT transaxle could probably be fit into a 944T pretty easily. It's a nice 6 speed sequential transmission with a semi dry sump oiling system and it does have reverse even which isn't always available on a racing transmission. It can be yours for a mere $24,250.00 at the current exchange rates or if you want it with a magnesium housing it'll be $26,206.00. At $24k, I think I'd drop the extra two thousand for the magnesium housing, why the hell not. The downside of course is that it's most likely straight cut gears and doesn't have syncros so it's going to be a tough, but noisy SOB. Since it's sequential though, you could actually have a paddle shifter 944T and that alone would kick much ***. Of course there's always the installation labor to figure in and the other parts you'd need to adapt it in. Probably figure another $10k or more for that. I believe with the ratios available though, you could have 60 in first like a vette and this transaxle is a pretty good match dimensionally for a 944T.

So since you don't want to pay Powerhaus II $25k I'm guessing you don't want to pay $35k for a Hewland box either.

Maybe a G50 transaxle from a Carerra could be adopted for less, you'd get the 6 speed that way and just from the economy of scale, gears changes for a G50 from Powerhouse II are probably considerably less money. Just a thought anyway.

In the unlikely event I win the $300 million powerball jackpot Saturday night though, I think I'll buy a Hewland box just for ****s and giggles and to have the only sequential shift 944 Turbo I know of. (Yeah someone's probably done it already somewhere on a true race car).

Last edited by z3bra; 10-15-2005 at 03:15 AM. Reason: I felt like adding more to the message.
Old 10-15-2005, 08:02 AM
  #25  
special tool
Banned
 
special tool's Avatar
 
Join Date: Apr 2002
Location: limbo....
Posts: 8,599
Likes: 0
Received 1 Like on 1 Post
Default

Zebra - I looked at the nerw Hewland - unfortunately, it is only rated to 500 HP.
Old 10-15-2005, 08:45 AM
  #26  
hammerwerfer
Racer
 
hammerwerfer's Avatar
 
Join Date: Apr 2003
Location: Nürburg DE Greystones IRL
Posts: 408
Likes: 0
Received 0 Likes on 0 Posts
Default

Met a lad at the 'ring named Charlie, who had a very quick 951, and he said the simgle best mod was to swap out the turbo gearbox for an NA one. He didn't specify which one though. I know that at the 'ring I'm quite often looking for a gear somewhat shorter than third.
Old 10-15-2005, 08:55 AM
  #27  
special tool
Banned
 
special tool's Avatar
 
Join Date: Apr 2002
Location: limbo....
Posts: 8,599
Likes: 0
Received 1 Like on 1 Post
Default

Okay - here we go:

-944NA - low R&P, but not strong
-944S - low R&P, but not strong
-944T - high R&P, strong
-944S2 - low R&P, strong
-944TS - high R&P, very strong
Old 10-15-2005, 11:33 AM
  #28  
Oddjob
Rennlist Member
 
Oddjob's Avatar
 
Join Date: Aug 2003
Location: Midwest - US
Posts: 4,628
Received 67 Likes on 53 Posts
Default

Originally Posted by thingo
I am just trying to convey information, I mean 944S, it is stronger than the S2, if I am incorrect, apologies, my mechanic has a lot of experience and would not encourage me to buy something not strong enough.
That is incorrect. The 944S R&P (3.889) is commonly known to break when put in a 944T. This has been documented for at least 10-15 years. The S2 (3.875) is the one you want to use. It will not break.

Your mechanic either mispoke, or is completely misinformed.
Old 10-15-2005, 11:38 AM
  #29  
Oddjob
Rennlist Member
 
Oddjob's Avatar
 
Join Date: Aug 2003
Location: Midwest - US
Posts: 4,628
Received 67 Likes on 53 Posts
Default

First and second gear have one gear of the set pair machined right into the input shaft. So the only way you can make a taller first or second gear, would be to have a complete custom input shaft made or a custom taller Ring and Pinion made. Either would be incredibly expensive and why Powerhaus II is quoting huge money for it.

Put some oversized rear wheels and tires on it.....
Old 10-15-2005, 02:23 PM
  #30  
special tool
Banned
 
special tool's Avatar
 
Join Date: Apr 2002
Location: limbo....
Posts: 8,599
Likes: 0
Received 1 Like on 1 Post
Default

Thank you oddjob - for putting that in less ******** words than I did.


Quick Reply: Best mod yet! S2 ring and pinion



All times are GMT -3. The time now is 06:42 AM.