DIY Poly Lower A-arm Bushings
I made my own lower bushings out of aftermarket polyurethane c900 swaybar end bushings using a Dremel tool. I cut off the solid end and ground them so they were symmetrical on both ends, like the stock bushing.
They were a PITA to install (using a press at a repair shop), and, performance-wise, I can't tell the difference between them and stock.
The upper bushings are thin, so the amount of deflection during cornering isn't going to be that much, and isn't going to make any difference unless you are trying to get the last bit of handling out of the car. On the street, or on the track with street tires, I'll wager it'll make about...0% difference in grip.
It goes without saying that, without a serious custom alignment, stiffer bushings are a complete and utter waste.
If you're looking for better steering response, add some toe out to the front end, and maybe try polyurethane bushings in the steering rack.
The likely reason for the high cost of aftermarket poly is low demand; the buying public also believes it's the greatest stuff since sliced bread. You could have custom brass, nylon, Teflon, or UHMW bushings machined for less $$.
They were a PITA to install (using a press at a repair shop), and, performance-wise, I can't tell the difference between them and stock.
The upper bushings are thin, so the amount of deflection during cornering isn't going to be that much, and isn't going to make any difference unless you are trying to get the last bit of handling out of the car. On the street, or on the track with street tires, I'll wager it'll make about...0% difference in grip.
It goes without saying that, without a serious custom alignment, stiffer bushings are a complete and utter waste.
If you're looking for better steering response, add some toe out to the front end, and maybe try polyurethane bushings in the steering rack.
The likely reason for the high cost of aftermarket poly is low demand; the buying public also believes it's the greatest stuff since sliced bread. You could have custom brass, nylon, Teflon, or UHMW bushings machined for less $$.
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