HOW TO DO AN ADVANCED SEARCH.

Mon Jul 08, 2013 3:56 pm by Admin


For the benefit of 944Hybrids users there are two search functions available for you to use.
The purpose of this sticky is to explain the "Advanced Search" function because it is much more powerful and is the best choice when researching information.

When you log on to the site a list of options is shown in a line at the top of the page. One option is labelled "Search", use this option (NOT the search box lower down on the right).

After you click on the upper search option, a drop down box appears. At the bottom of this box is a radio button marked "Advanced …

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Just recieved my 944..

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Just recieved my 944..

Post  bowshock on Tue Sep 25, 2012 10:03 pm

..and man is it sweet!! Smile

1987 NA, manual transmission, LS1 swap.

There is only one thing I'm not crazy about: At highway cruising speeds in 5th gear, the RPM's are high. At 70mph, I'm at 3000 RPM. Ideally it should be at around 2000. Is there anything I can do about this?

Thanks!

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Re: Just recieved my 944..

Post  87-944S on Tue Sep 25, 2012 10:33 pm

Get a turbo transaxle, swap in an early NA 0.78 5th gear, while you're at it install a reinforcement plate. Now you have the hot setup for these cars. Welcome to the board! Smile
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Gear swap

Post  fliermike45 on Wed Sep 26, 2012 8:09 am

Be carefull, not all NA 5th gears are 0.78, I found out the hard way.

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Re: Just recieved my 944..

Post  docwyte on Wed Sep 26, 2012 10:08 am

The taller NA 5th gear is 0.73. It will lower rpm around 400-500 or so, which will help, but you'll never see 2000 rpm...

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Gear

Post  fliermike45 on Wed Sep 26, 2012 10:23 am

Perhaps I meant 0.73 also.

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Re: Just recieved my 944..

Post  87-944S on Wed Sep 26, 2012 10:39 am

Me too Smile and I believe it has to be the early cars, pre 85.5.
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Re: Just recieved my 944..

Post  acorad on Wed Sep 26, 2012 11:33 am

The biggest 5th gear rpm drop you can get with USA gears is from the 80's Audi 5000 Diesel, the right box has a 0.68 5th gear that got me from 3000 rpm at 70 mph down to 2300-2400. Do a search on this site for "audi 5th gear," lotsa info. Apparently there were also 0.60 and 0.64 5th gears that were used in Europe.
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Re: Just recieved my 944..

Post  bp944 on Wed Sep 26, 2012 2:37 pm

Slightly dumb question. Would the tall audi gear kill a track car? I know 1-4 is a little on the short side for gearing but do people use the turbo 5th on a track or would is 5th not really touched on tracks?

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Re: Just recieved my 944..

Post  docwyte on Wed Sep 26, 2012 6:31 pm

You'll never use 5th gear on a track. 4th in the turbo trans is good to 140mph.

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Re: Just recieved my 944..

Post  zeusrotty on Wed Sep 26, 2012 6:41 pm

Agree... And I just happen to have one I can sell. $500.00 and it is yours!

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What?

Post  fliermike45 on Wed Sep 26, 2012 9:08 pm

What are you selling for $500?

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Re: Just recieved my 944..

Post  zeusrotty on Wed Sep 26, 2012 9:09 pm

The entire 1986 Porsche 951 transmission.

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Re: Just recieved my 944..

Post  bp944 on Thu Sep 27, 2012 7:15 pm

Is that the AOR with a cooling system
and the shot-pead front gears?

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Re: Just recieved my 944..

Post  zeusrotty on Thu Sep 27, 2012 7:41 pm

bp944 wrote:Is that the AOR with a cooling system
and the shot-pead front gears?

No it is cooled, but it is not the AOR. I f it were an AOR I would be asking for waaaaaaayyyyyyyy more money than $500.00!!

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Re: Just recieved my 944..

Post  zeusrotty on Thu Sep 27, 2012 7:41 pm

zeusrotty wrote:
bp944 wrote:Is that the AOR with a cooling system
and the shot-pead front gears?

No it is cooled, but it is not the AOR. I f it were an AOR I would be asking for waaaaaaayyyyyyyy more money than $500.00!!

And I actually have two of these.

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Re: Just recieved my 944..

Post  marc a on Sun Sep 30, 2012 9:25 am

docwyte wrote:You'll never use 5th gear on a track. 4th in the turbo trans is good to 140mph.

After 5 years with the 0.73 5th gear and stock rev limit here are my observations.

On the tracks that I run I have used 5th to achieve speeds above 140, with the needle pegged at Road Atlanta being the fastest. Even with the 0.73 gear, I have never reached the theoretical top end of the standard turbo 5th gear (0.83) which is 171 for my wheel/tire set up.

I have chased a few cars on long straights that I probably could have gained on or even caught if I had the original 5th gear because there is a slight loss of torque when first upshifting into 5th. Particularly the newer GT3s and some of the Corvettes.

I can assume based on the above that the 0.73 gear would be good for street use as it does lower the revs at cruising speed.

When the current tranny comes out I will be going back to the 0.83 5th.

My 2 c, ymmv

Marc
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Re: Just recieved my 944..

Post  Rich L. on Mon Oct 01, 2012 1:20 pm

Good feedback, Marc. There is a middle ground. I picked up a .78 5th gear from an S2 transmission. It cost me $100 for a Porsche dealer to bring it in from Germany. I've not run it yet but plan to put it in before I install an AOR tranny this winter.

Rich
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Re: Just recieved my 944..

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