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> Who's using a limited slip?, Anybody got one..............
SteveSr
post Mar 2 2004, 09:40 AM
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There's a guy advertising in Grassroots Mosports claims he can build limited slips starting @$250.00...........
anyone have any experiance with this guy?

Steve
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Bleyseng
post Mar 2 2004, 10:21 AM
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Must be welded or locked diff's, that is way too cheap for anything else. I have seen one 901 ZF LSD for sale at swap meets in the last 10 years. I kick myself for not buying it at $750.


Geoff
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SteveSr
post Mar 2 2004, 11:53 AM
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I'm going to call this guy and ask him how he builds them,I can't believe he is welding them or being totally locked.........they wouldn't even work on pavment.
I've seen the 4X4's get away with a welded diff,but that is in the dirt................... (IMG:style_emoticons/default/welder.gif)

Steve
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Mueller
post Mar 2 2004, 12:14 PM
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key word: limited slip, therefore, it cannot be locked..... (IMG:style_emoticons/default/wink.gif)

Let us know, that sounds too good to be true......I'm thinking the answer will be NO or the price will be 2-3 times more than the advertised price....

"sorry dude, the $250. is only for Hondas....."
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SteveSr
post Mar 2 2004, 01:52 PM
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I'm afraid you might be right............................ (IMG:style_emoticons/default/sad.gif) (IMG:style_emoticons/default/sad.gif)

Steve
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mike_the_man
post Mar 2 2004, 02:41 PM
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Anybody have any experience with these? Phantom Grip. They don't seem to make one for 914s, but one might be adapted to work, or maybe if demand was great enough they'd make one.
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phantom914
post Mar 2 2004, 03:07 PM
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QUOTE(mike_the_man @ Mar 2 2004, 12:41 PM)
Anybody have any experience with these? Phantom Grip. They don't seem to make one for 914s, but one might be adapted to work, or maybe if demand was great enough they'd make one.

I have heard of problems with Phantom Grips. Parts of the differential are stressed in ways that they weren't designed to handle. Here is a link to a thread that mentions it. Appareantly it has happened to more than one make of transmission.

http://forums.probetalk.com/showthread.php...ht=phantom+grip

Andrew
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mike_the_man
post Mar 2 2004, 03:52 PM
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A Probe message board! Now I've seen everything! (IMG:style_emoticons/default/laugh.gif)
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Mueller
post Mar 2 2004, 03:52 PM
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I got indirectly screwed by the Phantom Grip guys.....tore down a transmission (chipped pinion gear) to send to another shop so that they could send it to PG to use my open diff for R&D....anyways, the story is that they couldn't make one to fit and refused to return it unless I paid for return shipping (heavy sucker)

We footed the bill to get it there in the first place !!!!!
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John
post Mar 3 2004, 02:21 AM
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I've seen a 914 with a welded diff. And yes it was on pavement. It was a fast sucker too. It was a race car and yes one wheel would slide any time it wasn't going straight. It was a PITA to push when it didn't run too.

That thing was (I believe) a 2.4 or 2.5 4-cyl.

I have a quafe in mine and I love it on the track. It makes a huge difference in how soon you can get back on the throttle exiting a turn. The inside tire doesn't wildly spin anymore.

I don't think it would be much advantage on the street.
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SirAndy
post Mar 3 2004, 11:01 AM
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i wonder how many 914 trannies for the european market came with LS ...
with all the snow and stuff over there, you know. it was an option after all ...

(IMG:style_emoticons/default/idea.gif)

Andy
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Dave_Darling
post Mar 3 2004, 11:10 AM
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QUOTE(JOHNMAN @ Mar 3 2004, 12:21 AM)
I've seen a 914 with a welded diff. And yes it was on pavement. It was a fast sucker too. It was a race car and yes one wheel would slide any time it wasn't going straight.

Quite a number of years ago, my instructor at an autoX drove a 914-6 racer (chopped windshield and all!) with a locked diff. Riding in that was an interesting experience!! AutoXes are tight enough that he pretty much had to stomp the throttle and kick the tail end of the car out at every single corner, otherwise the car just would not turn...

Pretty fun, but kinda scary...

--DD
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need4speed
post Mar 3 2004, 02:42 PM
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Long ago, I had a 1980 Chevy Malibu. Most unreliable piece of crap I ever drove. But it had a sport-suspension and a V-8. And a limited-slip differential. In the winter time (in Chicago), it was da shiat. There was no snow drift I couldn't get out of. With normal street radial tires. I even towed my friend's 4x4 Jeep out of his driveway when he got plowed in. It made me a believer in L/S differentials. Sadly, my Trooper does not have one, and I get stuck in the dunes about half the time I go out there.

The dune-buggy/sand rail guys just weld them, from what I've been told.
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givory
post Mar 3 2004, 03:18 PM
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I'm going the other way, from a locked diff to an open diff on my vintage race car. For three years I ran with the locked diff, and couldn't get rid of the horrible understeer in tight corners. I tinkered with all the usual stuff, and now blame it on the lock diff. My car is fairly softly sprung for a race car, so lifting an inside wheel isn't a problem. And with a 2L six, I'm hardly spinning tires coming out of the corners. Most irritating though was pushing the car around - I got REALLY tired of that. Of course, up here it's another two months before I will know if I'm right. Track test report to come...
Gavin
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rick 918-S
post Feb 5 2006, 07:17 AM
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I'm checking into this as Brad Mayuer has my 901 box apart now. In a short conversation with Brad on Friday, he told me he thought the carriers were the same for the 901 and the 915. At least that's what I took from our conversation... (IMG:http://www.914world.com/bbs2/html/emoticons/confused24.gif)

Or at least they share parts like the carrier housing, spyder gear shaft, etc. Phantom Grip shows a listing for the 915 application, so if the spyder pin shaft and space between the spyder gears are the same it should fit.

If it fits this should save the cost of setting up a Quaife as well as the added cost. It looks like you simply slide the spyder shaft out, insert the PG between the gears, reinstall the pin, and release the safety locks.

As far as the weak spyder shaft in the ford Probe, and other models listed goes, it looks like the company has addressed this problem.
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TimT
post Feb 5 2006, 08:45 AM
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Rick, FWIW I have a Quiafe early 915 in one of my 901 boxes. So yes they can be interchanged.
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stock93
post Feb 5 2006, 09:48 AM
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A LSD for around $250 would be nice. I might buy one at that price.

Need4speed,
I doubt the sandrail guys weld them. I've built one and been around them for a while. We've discussed this but the old guys that have done it say you just can't get them to turn at all with a welded diff. They are so light in the front you have problems with understeer anyway. They use cutting brakes to apply the brakes to the inside rear wheel in a turn to make them turn sharper. Another advantage of cutting brakes is if you have one wheel with no traction you can apply the brakes on that wheel and send the power to the other wheel.

John
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xitspd
post Feb 5 2006, 09:53 AM
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(IMG:http://www.914world.com/bbs2/html/emoticons/ohmy.gif) I am running a Quiafe LSD with favorable results in my 901.................with a massaged 3.6
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Air_Cooled_Nut
post Feb 5 2006, 11:15 AM
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I'm running a Peloquin LSD in my daily driven, week-end SCCA, '95 VW Jetta and love it! I noticed when I hit standing water on the highway (one tire on pavement, the other in the puddle or stream) my car doesn't rapidly pull to the puddle side and the rpm don't shoot up. And I can get on the throttle more into corners and exit more quickly...hey, commuter traffic can be a bitch, too (IMG:http://www.914world.com/bbs2/html/emoticons/biggrin.gif)

I think an LSD on any sports car should be standard.
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rick 918-S
post Feb 5 2006, 12:08 PM
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Hey nice rack! -Celette
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Brad has a line on a used Quaife, But it may not materialize. So the Phanton Grip looks like it could be a very low cost option. Doesn't look like anyone here has used one. I may be the test case in a 901.

Unless Mike has some more info about the fitment being a problem. (IMG:http://www.914world.com/bbs2/html/emoticons/confused24.gif)
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