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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Trying to find times

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Trying to find times

Post  cfgioja on Sun Feb 21, 2010 10:38 pm

I have been talking to a friend about acceleration times and top speeds that these cars can produce once finished. I know each car will be different depending on rubber size, what shape the gears are in, and how the person can drive without destroying the car.

I did see some links before about the potential but I can't seem to locate them now. Can anyone help me. I need some evidence and something hard to show him so I dont sound like a D*** spouting off numbers out of a brochure.
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Re: Trying to find times

Post  Admin on Mon Feb 22, 2010 7:29 am

I'm not sure if your going to find any real hard core 0-60 times, I don't think many will thrash their tranny that hard. I have herd some in the neighborhood of 0-60 in the 4to 5 second times. Top speeds have been reported in the 190 to 195 area. No proof. Even been said that there was a 205 once. Shocked
With the right gears, gobs of HP and a long enough road, anything would be possible.

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times

Post  gamman on Mon Feb 22, 2010 9:07 am

My car, LT1 and street tires, no lsd was a 13.x, was over 100mph. Driver said spinning in 1,2,3.

Change your freaking avtar.
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Re: Trying to find times

Post  Porch on Mon Feb 22, 2010 9:54 am

When you say "these cars", are you referring to LS swapped cars? If so:

0-60 = about 8 seconds, if you're lucky and can get traction. Or would you prefer a hypothetical "you're never going to get this, but..." number? Because we could just say 4 seconds if it would make you feel better.
Top speed = ? I've read that it's around 173 for a stock turbo car. That's gear-limited, of course. On an N/A or S2 trans you'd be closer to 150mph. Most v8's won't rev as high as the turbo motor, but then again some of us have done the n/a 5th gear swap so that would add about 10mph or so. So figure with a turbo trans, an n/a 5th gear, a motor that can rev to about 6500, and taller-than-stock tires, you might be lucky to hit 185 or 190 downhill with a tailwind.
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Re: Trying to find times

Post  Michael B. on Fri Feb 26, 2010 6:49 pm

My car runs low 11's, traction limited, on DOT race rubber. Tire spin in 3rd. I have a video around here somewhere...

0-60 from a G-tech is 4.1, again traction limited.

Top speed GPS was 181 (N/A 5th gear) but the officer ticketed me for 200.
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Re: Trying to find times

Post  stuart f. wright on Sat Feb 27, 2010 9:08 am

i ran min at a local 1/8 mile strip to atune of 6.88 at 113 mph. my car gets great traction being an automatic trans .off the line is a feathering act on the accelerator.2nd gear shift dont happen till i hit 60 if i got my foot to the floor.that was with my first motor.im in process of buildin a new motor now that will have quite a bit more power.ive broke a couple of cv axles so ive learned to be easy on my takeoff.ive found a heavy duty cv axle replacement that they use in sandrails if i break another one.
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Re: Trying to find times

Post  Admin on Sat Feb 27, 2010 9:31 am

Stuart, what kind of power were you putting down on that run?

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Re: Trying to find times

Post  stuart f. wright on Sat Feb 27, 2010 9:45 am

never had it dynoed so i dont know for sure horsepower .im gonna guesstamate around 500 .that was with a 100 shot of nos.had dot slicks on it also.
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Re: Trying to find times

Post  Admin on Sat Feb 27, 2010 9:50 am

What gearing do you think you have?

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Re: Trying to find times

Post  stuart f. wright on Sat Feb 27, 2010 10:02 am

i think ive had this disscusion before and we figured final drive ratio for the na automatic was about 3.89 ratio
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cars

Post  gamman on Sat Feb 27, 2010 10:39 am

ive found a heavy duty cv axle replacement that they use in sandrails if i break another one.

I just talked (2 weeks ago) to the guy at Raxles (nice guy). He said the guys were all wanting the 25 or 27 splines from the 968 as they are stronger.

Then he talked about moving the fuse....If the axles now don't break, what is "going to give"? I would sooner replace the axles every 2 years (like TonyG or other racers) than any parts in the tranny....however, I hope the axles last longer than 2 yrs....
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Re: Trying to find times

Post  Michael B. on Sat Feb 27, 2010 10:47 am

Axles?

You guys still dealing with axle issues?

I got these from GKN years ago. They are the perfect solution:

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They take on my 600HP pretty easily & without effort.
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Re: Trying to find times

Post  v8carreragts on Sat Feb 27, 2010 6:17 pm

think ive had this disscusion before and we figured final drive ratio for the na automatic was about 3.89 ratio

The US spec 944 is 3.45 (11:38) ROW 3.08 (12:37)
1st 2.7143
2nd 1.500
3rd 1.000
rev 2.428

converter ratio 2.50

stall speed US 2800+-200
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Re: Trying to find times

Post  stuart f. wright on Sat Feb 27, 2010 6:24 pm

thanks 4 correcting me i knew it was somthing like that i was going by what xshop was factoring in for touqe converter ratio 3.45 is correct.i know its fairly low geared by my takeoff and low top end but itl get to 130 pretty quick
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Re: Trying to find times

Post  Luke714 on Sun Feb 28, 2010 11:36 am

how much did those axles run you? I just downloaded their PDF catalog, but doesn't have prices. It also looks like they're based in Europe, I'll send them an email.
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Re: Trying to find times

Post  Michael B. on Sun Feb 28, 2010 11:41 am

Oh they are a pricey bit. I became their supplier and I think I paid North of $480 each, wholesale. I will be surprised if they respond, as many have tried. I put some quotes together for a few blokes but none of them ever panned out. GKN told me they had maybe two left and they did not feel the need to make anymore if I could not get them sold. That had to be two years ago, I have not sold any since.
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Re: Trying to find times

Post  Porch on Sun Feb 28, 2010 8:07 pm

Everyone on rennlist says the GKN's are no longer available....
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Re: Trying to find times

Post  Luke714 on Mon Mar 01, 2010 7:25 am

well then, I guess I'm at square one. Although, someone made the point that you'd rather have the axles shear than some part in the tranny. I guess I'll just see how things go with the stock units as long as I use a solid mount and that tranny brace.

Thanks for the help,
Luke
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Re: Trying to find times

Post  gt1scca on Mon Mar 01, 2010 10:40 pm

Michael B. wrote:I got these from GKN years ago.
So, is there anything else out there that will measure up now?
Solid transaxle mounts and reinforcement braces / plates seem to be the latest "preventative" measures, but a bulletproof axle would be so much easier...
And definitely not as harsh on a street car.

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Re: Trying to find times

Post  Luke714 on Tue Mar 02, 2010 7:32 pm

So you think that having more rugged axles is the equivalent of the solid tranny mount and brace? Who cares about street harshness, paaaaaa
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Re: Trying to find times

Post  MN944S on Tue Mar 02, 2010 8:40 pm

Aren't they dealing with two separate issues for potential breakage?
Drivetrain flex in the case of the solid mount and reinforcement plate and twist/shear for the axles? (Not sure on the common failure mode for the axles.)

Fix one issue, fix 'em all. Fix it now or break it later.
One mans opinion.

So the question still remains, how to "fix" the axles. Wasn't it mentioned earlier that the Diablo replica guy built his own?

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Re: Trying to find times

Post  Luke714 on Tue Mar 02, 2010 8:49 pm

I don't have any real world experience dealing with this problem, I'm just trying to remedy it before I build it in the first place. What it sound like to me (not 100% sure on this) is that the transaxle would rotate enough with the stock mount that it would bottom out the spine on one of the axles, or somehow cause damage that way. It seemed fairly rare that the axle would actually fail in torsion from the shear stress (although that is the weak point of steel, to fail in shear). The solid mount and brace would help eliminate this. The only thing I've heard as far as the Diablo guy is concerned is the development, fabrication, and use of the reinforcement plate for the tranny case itself. This is a totally separate issue.
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Re: Trying to find times

Post  stuart f. wright on Tue Mar 02, 2010 8:53 pm

sounds like the topic changed i shouldnt have mentioned ive broke an axle lol.california motor sports has some axles that would probaly work on 944
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