300lb is about as heavy as people really go for track use on cars this light and R compound tyres. They were still OK on the street imo. The new owner went slightly softer for hillclimbs. 300lb is 5.36kg btw
12kg is absolutely insane for such a light car. It's far too stiff and would be totally crap at everything.

good to hear the rear end is sorted!

gap to the leaf spring wasn't an issue. I think you'd run into issues hitting the inner wheel well first on bump travel anyway, but that wasn't a problem either. Your issues are all going to be on the outside, but shouldn't be too hard with a stretched 175 or something...

This was with 15x8 +0 all round. Fronts poked a bit but didn't rub with the stretched 195/50s and 300lb springs.

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It was pretty close, but it all depends what wheel and tyre widths too.
This was 14x6 +8 and 6.5" +0 Enkie Easyriders with 15mm spacers. So effectively 14x6 -7 and 14x6.5 -15. Think it had puny little 175 tyres too

this was 15x8 +0 on the back and 15x7 +0 on the front with 195/50s all round
Gaurds were lipped and slightly pumped out. The steps in the rear inner wheel well were also hammered out for clearance. A 4dr sedan will probably have a bit less clearance in the back wheel well.
It also had S13 discs over the top of the standard 120Y hubs which are effectively 8mm spacers on the front

Just stumbled across this site. Heaps of kits for a wide range of makes and models. Pretty cool. Even includes the B110 racing mask :)

https://www.panchkits.com/kb110

see if this youtube video works...
https://youtu.be/CUvLoOKbYUw?t=982

it's got the whole day's competition on there, you can try and find their later runs too if you scroll through it

In the 0-1600cc class, Grant Liddell's A series 1200 coupe got 2nd place with a 58.08 behind another pesky Honda Civic, an earlier ED model this time, presumably with B16A VTEC power.

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Gerard Gotch's mighty L20 powered 1200 coupe took 3rd place in 1601-2000cc class in the Australian Hillclimb Championships yesterday.

1st place was a MkII Escort with >$50K worth of YB Cosworth motor and insane $$ spent all over it. The owner claims 250rwbhp and rev limit up to 10,000rpm when needed!!! The Escort ran 52.38
2nd place was a Honda Civic EG with a very powerful K20 power 52.73
3rd was Gerard's L20 Datsun 1200 coupe 52.98
And Steve Brydie's SR20 powered Datsun 1200 coupe was 4th with 53.83 ahead of a bunch of other Escorts and Geminis.
Very good showing from the old school Dattos, only beaten by a pair of the very best twin cam motors ever made!

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