Quote:
Originally Posted by KrisisOD
I don't have a lot ideas for mods right now aside from the wheels, and tires. So I wasn't concerned. If some better ideas are suggested, or as I'm researching come across other things I'd prefer, I'll most certainly alter my list.
If I stay with the stock sizing of the wheels I'm assuming that wouldn't hurt the gas mileage?
Do lowering springs hurt the ride so much that I would regret lowering the car?
I had an SRT-4 ACR at one point, and didn't mind the ride in it, but would prefer a bit looser of a suspension.
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Adding weight will hurt gas mileage. Going wide and big is a good way to add unsprung mass. Stick to stock weights or lighter, if you're trying to improve gas mileage. The stock wheel and tire combo weighs in at 42ish pounds per corner, so I'd try to avoid going too much heavier than that.
Tire compound will also affect gas mileage. The stock tires are lower rolling resistance than most, so tire choice is also something to think about. This will probably be slightly less noticeable than adding a bunch of weight via big wheels/tires, but will still make a difference if you go with super sticky compound.
If you like 18s, there are some 18s out there that are lighter than stock, but the Work Emotions XD9s are definitely not. My preference is 17s on these cars, because you can run higher profile tires, which are generally more comfortable.
It's not a great idea to go super-low on springs. There's not a lot of bump travel on these cars, so if you want to drop it lower than an inch, I'd think about getting coilovers instead. With lowering springs, you'll either want to replace the bump stops with shorter ones, or trim the OEM ones. If you don't want it to be harsh, I'd stick to something mild.