I just read up on a thread concerning the cheap price of the Phantom Grip LSD. Perhaps, ROCK (or anyone else from RRM that posts here), YOU can tell us the difference and why the prices are so far apart. Is the Phantom Grip LSD just as reliable as your own LSD, which costs about 3 times the price?

Normally, I wouldn't mind spending extra money for higher quality, but in this case the price differences are pretty large and I would like to understand WHY they are this way.

 

I'm not Rob, but, this is my understanding.

The RRM LSD is a full replacement, and a different type of LSD than the other.

The Phantom Grip modifies the OEM differential, and thereby requires less cash for parts. The PG is pretty widely used by club racers, and has been used in one or two SCC project cars.

 

Okay so from a 'business' point of view, what would be RRM's arguement for us to buy their LSD over PG, which is apparently widely used and much cheaper.

 

From Road Race's description, it sounds like they steal the diff guts of one cars differential and shove it into the Lancer's open diff. I'm curious as to this myself.

 

Ayup, me too...

 

http://www.bmtranny.com/Products.htm

Bmtranny is a good company in NJ amongst DSM'ers.

Dudeinamirage has already contacted them about a year ago and asked them to create a LSD for his 1.8L; right now, he is the only mirage with LSD in the US (that I know of). He always rave about his grip on his Yoko AVS. Just want to pass this along since the 1.8L has the same tranny as the 4g94.

If I remember correctly, it looks similar in the 3rd picture like the phantom grip design.

I will ask him to post on the board about the how and the feel of his LSD, and et like pics.

 

Sounds good. What did he pay for that LSD?

 

It should be about under 250 bucks or so with S&H. It's on the site, and I can't 100% remember his price.

Dude's was the first prototype; now, BMTranny has a template on the spec.

BTW: I have emailed Dude (in Washingston state), but I don't know when he will show up. Also, he hasn't been on our board lately too. Have some patience.

 

I wouldn't waste my money on them. They do nothing to prevent breaking
spider gears and the amount of limiting is very minor. Even if they were
$100 each and retailed for $150 I wouldn't sell them. The biggest reason
people buy LSDs is because they break the two stock weak spider gears. With
the Phantom Grip, you still have two weak stock spider gears.

They do not take into account the needed oiling between the Phantom part and
the spider gear or between the spider gear and the bushing and housing. That
kind of pressure load and spinning at the same time with no oil supply will
make things very short lived. Thanks but no thanks. A few years from now
they will be the Tornado or SpiralMax of LSDs.

Just for kicks I looked up "phantom" in the dictionary:

phan·tom also fan·tom (fàn’tem) noun

1. a. Something apparently seen, heard, or sensed, but having no physical
reality; a ghost or an apparition. b. Something elusive or delusive.

2. An image that appears only in the mind; an illusion.

3. Something dreaded or despised.


adjective

1. Resembling, characteristic of, or being a phantom; illusive.

2. Fictitious; nonexistent: phantom employees on the payroll.

ROAD/RACE

http://www.roadracemotorsports.com/

 

lol

 

well thiers your ans. Rock stikes again with the facts. i dont have one but i,am saving up for one pricey yeah but at least you know it's gonna work

 

No offense to Rob or anything, but, I wouldn't count half of his post as being factual. It was more opinion based than anything, and although I respect his opinion, it's fair to say that he's a bit biased, yeah?

Truth be told, I'd like to know what RRM's LSD really is composed of, and compare that to the Phantom Grip, instead of it's weaknesses being listed.

 

That's the thing. It's up to everyone to learn all specs from various sources.

Please don't take my word as absolute. I always try to bring one set of info while another has his set. Afterwards, people can try to visit their local DSM sites and read their POV on the product whether it's good, bad, or horrible. This is called being an informed consumer.

Believe me, I have no agenda to sell you anything or sabatoge your performance efforts. I'm not forcefeeding/brainwashing anyone. I just lay it out there, and people can use the info anyway that befits them.

The only facts that I have: 1) things I have done to my car 2) driven a bunch of others cars from a chevette, gremlin, pacer, sprint to a 00 celica GTS. 3) witnessed on the track 4) being scared sitting in a GS-T with just a shoulder belt and shooting beyond 100 mph in 3rd gear. 5) on hand experience working on other cars. 6) minor injuries for the dedication to boot.

 

I completely agree (I get real tired of saying that after one of your posts, you know?). I'm mainly putting this up to Rob here to show the integrity that RRM is known for, and give us some facts about his company's LSD, slams to any other company aside.

This is the only way to explore options, and as much as I like RRM, alternatives are a good thing, and we shouldn't just take anyone's word as fact without first getting both sides (and hopefully a third and fourth side from people who have both of these systems).

 

Alternatives are good. Point is phantom grip basically presses stock spyer gears against housing in such a way that it stresses stock spyder gears. Stock spyder gears are not strong. As you launch your car and perhaps get some wheel hop they are likely to break. Also they are gripping the diff case because they are not getting oil. This is the problem. They may work for a while but at the cost of stressing your diff! Ours is nothing special that is why I did not profess the particulars of our. Sinply put it si stronger than stock and utilizes oil cooled clutches. Of course it fits your trans. Choices are always yours!!! You guys just wanna make me work harder.... OK then....

Here is ours.

ROAD/RACE

http://www.roadracemotorsports.com/