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S13 Camber Tops In Dr30

D-limo

By D-limo,
in Classic & Vintage (1950's-1980's)

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D-limo Veteran

D-limo

Posted
Posted (edited)

Found an R31 coilover group buy.

Fronts utilize s13 camber tops. I know bolt pcd is the same as dr30 but will there be any problems with camber adjust-ability? It's my only concern with this kit as have heard in the past that use of s13 camber tops require 'flipping'(or something along those lines) to get any negative camber effect.

Here are some pics of the kit. You weld the fronts straight onto the base of the strut after chopping the tube off.

DSC02205.jpg

DSC02206.jpg

Edited by D-limo
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https://www.sau.com.au/forums/topic/350896-s13-camber-tops-in-dr30/
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Factory 5 Mentor

Factory 5

Posted
Posted

Im no too sure if having a welded coilover setup will pass engineers/compliance/rego in any state, maybe check that first?

But as I have been told, all you need to do is put the left side strut on the right side of the car, the calipers will be on the nose side of the car instead of the back.

Ghostrider Grand Master

Ghostrider

Posted
Posted

Jarryd,

The bolt PCD is identical, but in REVERSE and there lies your problem. If you want more than 1~2 degrees negative camber, you going to have to do some serious machining to the base plate to allow the ball plate to move far enough. If you can put up with minimal negative camber the S13 tops wont matter jack schit.

But if your planning to run SLICKS on track days, you're going to need about 5 degrees negative, or more. Otherwise if your going to use street legal grooved tyres 2 degrees will be more than enough.

DR30 camber tops are just about non existent today, even in Japan and if you search through Yahoo you will find just about ALL camber tops listed in DR30 are in actual fact S13.

Cheers, D

Ghostrider Grand Master

Ghostrider

Posted
Posted

The ONLY alternative would be to re drill the stru towers to suit the S13 parts.

I have had S13 tops here and have taken them apart, turned them upside down & inside out & left to right & every which way and the end result is the same as what you started with.

I don't know how legal re drilling the towers would be, but one thing is certain, it would HAVE TO BE extremely precise.

Cheers, D

FJ20DR30 Community Regular

FJ20DR30

Posted
Posted

ok... they will fit in and work perfect if you have coilover McPherson struts ie same as the r31 or r30 had from factory as the pitch is steeper,

if however it is a conversion to s13 chapman style struts then you wont get as much camber angle! i can get 3 deg on mine but that is cause mine have an elongated hole in the top of the clevis..

Chur

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