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Underbody braces, turbos and more!

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PostPosted: Fri Apr 20, 2012 10:56 am 
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Location: So Cal, USA
Having problems steering in a straight line because of
uneven power distribution to the front wheels under high boost.
'87 MK1 Turbo Sprint
I'm not too well versed in transmissions, but I'm assuming there's
an LSD I could put in to help out?

Where do I start looking for one, and some pro's and cons?

Thanks for the help.


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PostPosted: Fri Apr 20, 2012 2:57 pm 
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Location: Christchurch NZ, quake capital
Nothing available for a mk1, you can use a mk2/3 diff but you need to get the case slightly modified to take the bigger bearing used on the mk2/3 diff, gripper and bacci are the other two being produced, strider has a old suzuki sport one for sale I think with new plates in it.


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PostPosted: Fri Apr 20, 2012 6:00 pm 
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So I would use the MK1 Trans, and get an LSD for MK2/MK3 and
only have to modify where the bearing fits?
Does that sound right?


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PostPosted: Sat Apr 21, 2012 3:32 am 
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Correct.


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PostPosted: Sat Apr 21, 2012 9:19 am 
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Thanks Dattman!
That's a nice simple answer, time to start rounding up parts then.
I've got enough cores on hand , I can finally start rebuilding one
and try the LSD install at the same time. Cool, thanks =)


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PostPosted: Sun Apr 22, 2012 9:49 am 
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What about this one for the cultus?

Cultus is MK1, No?

http://www.sparktecmotorsports.com/qua-qdf5p.html

Never Mind, I just checked the site. Says 4wd rear.


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PostPosted: Sun May 06, 2012 3:52 am 
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Location: Spain
If you are interested in make the conversion to mk2/3 diff I have a totally rebuilt suzuki sport unit with a reinforced upper case and new bearings ready to ship!


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PostPosted: Sun May 06, 2012 6:37 pm 
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Location: Palmdale, Ca
oMaRCiToh wrote:
If you are interested in make the conversion to mk2/3 diff I have a totally rebuilt suzuki sport unit with a reinforced upper case and new bearings ready to ship!


I may be interested. It wouldn't be right away. I'm thinking of doing this conversion as well but am not sure about it yet. If you still have it when I'm ready how much are you asking for it?

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1987 Chevrolet Sprint Turbo under construction


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PostPosted: Mon May 07, 2012 12:59 am 
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I´m asking 700€ shipped, let me know when you like ;)


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PostPosted: Mon May 07, 2012 1:25 am 
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Okay, you offered it to him first and I'm not sure when I'd be ready to buy but if you still have it when I'm ready, I'll shoot you a PM.

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PostPosted: Mon May 07, 2012 1:57 pm 
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There is no problem ;)


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PostPosted: Fri May 11, 2012 6:39 am 
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Also need to machine where speedo gear goes and sometimes grind the gearbox case a bit wider. For road use get a torsen type also called modena or helical and set the preload to nearly zero. Clutch types are best for pure racing and can be dangerous on wet roads on a fwd car. The suzisport ones with silicone are good for road use but possibly not a great choice, they require the fluid to heat up before functioning. Do some reading on these and see what others think. Some suzisports need to be sold with the pinion shaft and ring gear, they will not fit the standard crown/pinion. Beware.

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1989 Mk2 Gti
1968 FIAT 124 Sport


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