E30 M50 tear down kinda thing
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Snap Understeer said:
My springs are 315 lb/in front 570 lb/in rear. The rear springs are stiffer because of the leverage involved in the trailing arm rear suspension design. If you go to a coilover design that relocates the spring onto the damper, then you need to reduce the rear spring rate to achieve the same balance (without doing the calculations I would estimate that I would need to go down to a 380-410 lb/in rear spring for example)
A 240sx for example, typically has equal or stiffer front springs than the rear (if my memory serves me properly this morning) due to it having a multi-link rear suspension where there is little to no leverage in the suspension links that would require stiffer springs than normal.
The ways of the e30 explained. This is good info! Thanks
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Rowleym said:
I might step it up to a 16, but I feel like keeping them smaller would be lots cheaper for tires, and when you drift, you definitely use tires.
Just an FYI, if you're going to drift, go to a junkyard like gibsons in neenah, buy their shitty used tires, for $10 a pop. or buy new starfires. Those will last you plenty of drift days. Starfires last for eva
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Brian said:
Just an FYI, if you're going to drift, go to a junkyard like gibsons in neenah, buy their shitty used tires, for $10 a pop. or buy new starfires. Those will last you plenty of drift days. Starfires last for eva
^ this. Junkyards are the best for spares
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Rowleym said:
Really? I feel like 15 inch is more common right? Wouldn't I find more 15" tires off like Hondas as a junk yard?
It's a toss up. 16" tires NEW are cheaper, in like a 195/55/16, but if you want cheap an shitty, to destroy on drift days/back road fun, go 15's.
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XXR and ESM seem to be the best style+fitment per dollar wheels you can get new.
I still need to sit down sometime and figure out the best size of wheel + tire that allows for best tire availability and cost/performance ratio for track tires. I will probably do something close to 16x8 or 17x8 with summer tires for daily use. Either way, the wheels need to be light and strong. The Kosei K1 and TRM C1 wheels seem to be budget lightweight track wheel if light weight is important to you.
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