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S13/s14 Subframes/roll Centre/squat - Best Option For Grip

No Crust Racing
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No Crust Racing Grand Master

No Crust Racing

Posted
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Not quite.

I'm investigating this because I added swaybars and found the car has handled worse afterwards, despite having a "recipe" that seems to work for others.

My car is not dumped but it's lower than factory and after doing some reading I found that I having LCAs below parallel (and stock castor up front) may be a big part of the unbalance in the setup.

At the last track day, it burned up the outside edge of the tyres more than it ever has in a single event. The car might now be too stiff with 8/6kg springs front and rear and 27m front adjustable (max soft) and 25mm (hollow) rear swaybar.

Or it may be that the tyres are just now at the limit (they are only 235 RS-Rs) but the wear on the outside edge implies the tyres are rolling over (despite having -3 front and -1.5rear camber).

So castor and Roll centres were suggested so I'm working on that.

No Crust Racing Grand Master

No Crust Racing

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Posted (edited)

bcozican: How much stuff around was it to weld in the plates to create the new mount points? As I didn't think the factory mounts had anywhere that much material to work with.

Edited by ActionDan
bcozican Experienced

bcozican

Posted
Posted

not that hard really - admittedly we had a tempate to work off as other cars I know had it done first

but make a template out of card then after a rough cut out a few cuts and shaves to get it to fit properly initally but once you make one side of one side up then just use it as a template and you can bang out the other 3 pretty quickly and weld tops and bottoms together for support.

yes cutting, grinding and drilling but can be done at home if your half handy... i cant weld but mate did that bit for me

I like you are not up with the full massive techincals but my suspension / wheel aligner guy over here knows what he is on about and pointed me in this direction

bcozican Experienced

bcozican

Posted
Posted (edited)

ha man i did mine over 2 years ago the template we make wouldve been ditched straight away. my car in for panel and paint atm but remind me and i see what i can do about trying to make something up when it comes out in week or two

Edited by bcozican

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