Lowering Kits
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New Member
Joined: 01-08-2006
Posts: 14
From: trenton, nj
Lowering Kits
I want to lower my 2006 HHR and there are a lot of kits available. Is there one or two kits to stay away from? I am thinking about going to 18 inch tires and wheels, will lowering make the rear rub with this setup.
Senior Member
Joined: 08-20-2006
Posts: 21,640
From: Hillsdale, Michigan
A response I got from Jeff at Truckshop can answer your question on 18's, lowering, and rubbing:
My thought on the tires is that a 235/40/18. Usually those are recommended for 8 inch wheel or greater for width. It will fit on the 7.5 rim. If you've lowered it a lot (I mean really slammed) you might need to trim just a little due to the extra width, but it isn't much.
That 235/40/18 is just about as close to stock diameter you can get. I usually put a 225/40/18 on a slammed HHR, or if you are stock height or dropped an inch or so you can roll on a 225/45/18 for a bit more sidewall. So it depends on how your suspension is going to be set.
The 235/40/18 is 25.4 overall, 225/40/18 is 25, and the 225/45/18 is 26 overall diameter. Stock 16 inch tire is 25.3 and the stock 17 inch is 25.5.... so in all cases speedo difference would only be 2-3% maximum.
Jeff
Originally Posted by TruckSHOP.com
My thought on the tires is that a 235/40/18. Usually those are recommended for 8 inch wheel or greater for width. It will fit on the 7.5 rim. If you've lowered it a lot (I mean really slammed) you might need to trim just a little due to the extra width, but it isn't much.
That 235/40/18 is just about as close to stock diameter you can get. I usually put a 225/40/18 on a slammed HHR, or if you are stock height or dropped an inch or so you can roll on a 225/45/18 for a bit more sidewall. So it depends on how your suspension is going to be set.
The 235/40/18 is 25.4 overall, 225/40/18 is 25, and the 225/45/18 is 26 overall diameter. Stock 16 inch tire is 25.3 and the stock 17 inch is 25.5.... so in all cases speedo difference would only be 2-3% maximum.
Jeff
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