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Detritus Maximus
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2,839 Posts
Discussion Starter · #1 ·
Lsd

So, what do you guys think of this? Anyone have any knowledge or anecdotes concerning this product?

http://www.phantomgrip.com/whatis.html

They list '72 and later Opel Mantas in their applications
 

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Senior Contributor
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903 Posts
Bill Hoffman from Wisconsin did a write up about it a couple years back on the classicopels list. You should look it up.

If memory serves the results were 'mixed'

-Travis
 

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Moderator
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1,973 Posts
that looks really cool, and its probily even cooler if it works!
 

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Detritus Maximus
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2,839 Posts
Discussion Starter · #4 ·
Travis-
Thanks for the reference. Printed some stuff out (not just the LSD bit!) for later 'review' at a quieter moment.
 

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Opeler
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10 Posts
Re: LSD

I have been running the Phantom Grip in my E-Prepared Manta for 1 1/2 years with no problems. I started with the lightest spring (least amount of lock) and have since changed it to the middle spring (more lock). The change to the heavier spring did introduce a little bit of understeer, but greatly reduced the inside wheel sping exiting tight corners.

BTW, the Phantom Grip looks an awful lot like the unit Rally Bob used to sell.
 

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Detritus Maximus
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2,839 Posts
Discussion Starter · #6 ·
Think it would be of any real use in a street car?
 

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Opeler
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10 Posts
Absolutley. With the LSD, you will be able to put the power down easier, not only in dry conditions, but in wet and slick conditions. I cannot think of any negatives.
 

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Opeler
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10 Posts
I do not know of anyone using this in a GT. I do know people using them in a street Manta and an FSP autocross car and 1 considering it in a street/track Toyota Celia (RWD). If I still ran a Manta on the street, I would use one.

Rally Bob probably knows of someone using this type of LSD in a GT. You might try posting your questio on the Yahoo Classic Opel Forum.

Wish I could be more helpful.

P.S. BTW, I am not affiliated with Phantom Grip.
 

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Super Moderator
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5,928 Posts
Phantom Grip Testimonial

Have a read of this article on the ClassicOpelsVault site. Open the folder called "Phantom.doc" (fourth from the bottom).

http://autos.groups.yahoo.com/group/ClassicOpelsVault/files/

Oh, you might need to be a member in order to access the site; if it won't open, go to the home page at:

http://autos.groups.yahoo.com/group/ClassicOpelsVault/

and sign up.

Somewhere I have seen a list of the various differential ratios of the different models and years; if I find it, I will post the list or the link.

HTH
 
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