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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5th gear options, Audi?

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Re: 5th gear options, Audi?

Post by remington7 on Mon Mar 21, 2011 5:25 pm

Arthropraxis wrote:Larger tire/wheel combinations can lower the RPM. Get some 24" spinners, you know you want to.

That would be an interesting setup. bounce

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Re: 5th gear options, Audi?

Post by UK952 on Mon Mar 21, 2011 6:33 pm

kevin924kevin wrote:According to the info provided to me when i was at RH shop in vegas, the fifth gear swap should have the car at about 2300 RPM at 70 MPH based on 25" wheels etc. They say the swap will allow the car to run up to 181 MPH at 6000 RPM.

6,900 at 210 Wink probably need about 800BHP
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Re: 5th gear options, Audi?

Post by xschop on Thu Jun 23, 2011 10:02 am

Hey Acorad, did you ever locate the 0.64 gearset?
I signed on the Audi forums to put a feeler out. I would like to be at 2200-2400 RPM on the freeway at 70
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Re: 5th gear options, Audi?

Post by acorad on Thu Jun 23, 2011 12:27 pm

xschop wrote:Hey Acorad, did you ever locate the 0.64 gearset?
I signed on the Audi forums to put a feeler out. I would like to be at 2200-2400 RPM on the freeway at 70
No. The 0.64 was Europe only, afaik.

The 0.68 calculates out to about 2450 RPM at 75 mph for my setup, the 0.64 would be about 2300 RPM at 75 mph.

Let me know if you find the 0.64, I'd be interested in one too.

Were you the one who swapped out your 5th gear through the fender well? Love to hear a little more about that!
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Re: 5th gear options, Audi?

Post by xschop on Thu Jun 23, 2011 2:07 pm

No, I swapped mine when I took out the NA and stuck in the 951 trans. But if you chop out the wheel well, the swap can be done without removing the trans. My sub wouldn't sound too great if I chopped out the bottom part of the sub-box.

I have 285-30-18 rear tires and am not sure If I can get 295-35-18 under there without rubbing the fenders. So I may get 285-35-18. I think 285-40-18 would be too big of a jump scratch
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Re: 5th gear options, Audi?

Post by acorad on Thu Jun 23, 2011 2:29 pm

Dunno, I have 265-35-18's.
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top speeds in 4th gear

Post by B.Rudy on Sat Aug 20, 2011 6:06 am

So Ive been searching around here & I cant find any info on tops speeds per each gear. I thinking of doing a .73 5th gear swap into my 951 trans. low cruising RPM is important to me but I also know I dont want to top out in 4th at like 120mph and then shift into a too tall of a 5th gear and the engine comes down out of it power band. So heres my question: whats the top speed of the 951 trans in 4th gear with a 285/30/18-ish tire?
(ive already seen & read about the speeds in 5th that were posted)

Thanks,
Bryan

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Re: 5th gear options, Audi?

Post by v8carreragts on Sat Aug 20, 2011 10:08 am

PM me with your e-mail address and I can forward you an Excel file that will give you speeds for each gear and tire diameter. It is set up so you input the gear tooth counts, R & P tooth count and tire size and engine RPM's. Then it makes a graph for each gear.
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Re: 5th gear options, Audi?

Post by LEEEZARD7 on Sat Aug 20, 2011 10:34 pm

http://www.kabamus.com/garage/gears.html
TRY THIS ONE GUYS...

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Re: 5th gear options, Audi?

Post by 87-944S on Sun Aug 21, 2011 8:15 am

Pretty cool calculator, mine shows just about 215MPH at 7000RPM with the NA 5th gear in my turbo transaxle! Shocked
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My run on the gear chart

Post by fliermike45 on Sun Aug 21, 2011 10:38 am

Here is my shot at the Excel chart, Turbo transmission with NA 5th gear, 17" wheels 225-45-R17 Tires.
Now to find somwhere to run 150 mph.





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Other site

Post by fliermike45 on Sun Aug 21, 2011 10:49 am

The Kabamus site gave the 5th gear speed at 5000 as 161.54 mph.

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Re: 5th gear options, Audi?

Post by LEEEZARD7 on Sun Aug 21, 2011 1:26 pm

its fairly accurate... minus aerodynamic drag. it will get you close though.

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Re: 5th gear options, Audi?

Post by the951racer on Wed Feb 01, 2012 10:18 am

Anybody got any further news about the Audi gearsets? Also is the N/A 5th gear swap still give you plenty of "around town torque"?

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Re: 5th gear options, Audi?

Post by acorad on Wed Feb 01, 2012 11:02 am

951, I'll be doing the 5th gear swap from the Audi diesel soon. I'll post up my results.
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Re: 5th gear options, Audi?

Post by the951racer on Wed Feb 01, 2012 11:19 am

Sounds good. Where did you end up getting it from and what ended up being the cost of it? I know there were several numbers posted earlier in the thread. Just wondering in case I decide to do this instead of the N/A 5th.

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Re: 5th gear options, Audi?

Post by acorad on Wed Feb 01, 2012 11:46 am

951, it was either All Auto Recycling (719) 683-9600 or Jerry's Foriegn (408) 993-9711, both up in the NW somewhere. I believe the trans was 125 + about 75 for shipping.
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Re: 5th gear options, Audi?

Post by the951racer on Thu Feb 02, 2012 9:51 am

Have to write those down on notepad. Thanks

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Re: 5th gear options, Audi?

Post by acorad on Tue Feb 07, 2012 1:29 pm

0.68 5th gear from Audi diesel installed:
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Re: 5th gear options, Audi?

Post by the951racer on Wed Feb 08, 2012 2:00 pm

^^^^SWEETT^^^^ bounce

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Re: 5th gear options, Audi?

Post by docwyte on Thu Feb 09, 2012 9:50 am

Punched in the numbers between the stock 0.83 5th gear and the NA 0.73 5th gear and it looks like the NA gear drops rpm by 400-500 rpm at the same cruising speeds.

At 3000 rpm with 285-30-18 tires with the 0.83 gear you're going 78.8mph, with the NA 0.73 you're going 89.6mph, which you don't really hit till you're at 3500 rpm with the 0.83.

With the diesel 0.68 5th gear you're going 96.18 mph at 3000 rpm, which is pretty much a 600-700 rpm drop over the stock 0.83 ratio.

I have easy access to the NA 5th gear because none of the Spec 944 racers want it, so I think I'm going to swap it in and see what I think. They all want my stock 0.83 5th, but I'm going to hang onto it in case I don't like the bigger hole between 4th and 5th the NA gear will create.

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Re: 5th gear options, Audi?

Post by acorad on Thu Feb 09, 2012 10:18 am

Ya, I agree. The 0.68 drops your rpms about 200 more than the 0.73. I'm going to hold on to my 951 0.83 also.

I'm going to hold on to the rest of my diesel trans with the idea that if the 951 trans I have now ever frags, maybe I can swap in the rest of the diesel gears. The diesel 1st gear is the same as the 951 (3.60), but all the rest are progressively taller.

Probably could just swap in the whole diesel trans if I put some thought into it...
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Gear ratio

Post by fliermike45 on Thu Feb 09, 2012 12:59 pm

Not been on Interstate yet, my 88 NA with a Turbo trans and NA 5th gear was showing 2500 rpm at 60 mph. Tires are 255-40 17"

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Re: 5th gear options, Audi?

Post by the951racer on Mon Mar 19, 2012 5:23 am

Any updates on the Audi gear swap?

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Re: 5th gear options, Audi?

Post by acorad on Mon Mar 19, 2012 9:08 am

My Audi Diesel 0.68 5th is in and it fits and apparently works fine, although the trans is still out as I'm still in process of clutch, TT bearing, etc., etc...
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Re: 5th gear options, Audi?

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