I think it will help the car overall. I went from 15's to 16's on the 1994
LeBaron and the loss of ride quality was small. The factory 15 and 16 inch
tires kept the same overall diameter, but went from a 65 profile to a 55
profile.
If I look for a 15" comparable to the P195-75R14 on the Imperial, I get a
P205-65R-15 which is where the LeBaron started. I just need white walls
instead of black walls and three more 15" minivan wire wheel covers. If I
got with a 70 or 75 series profile tire, then I guess I'll need to alter the
speedometer gearing, whichever system the 90 uses.
Mark
1990 Chrysler Imperial
1991 Plymouth Grand Voyager LE
1994 Chrysler LeBaron LX convertible
1997 Dodge Neon Highline sedan
Atlanta, GA
-----Original Message-----
From: mailing-list-owner@xxxxxxxxxxxxxxxx
[mailto:mailing-list-owner@xxxxxxxxxxxxxxxx]On Behalf Of Rob P
Sent: Sunday, January 05, 2003 4:15 AM
To: mailing-list@xxxxxxxxxxxxxxxx
Subject: Re: IML: Alternate rims for a 90's Imperial
Why can't you just get the proper speedo gear for whatever wheel/tire you
are running?
I believe they still have the plastic gear even with the computer. I
thought you could change the gear and keep the speedo should read the same.
Or did they make it a more complicated computer thing?
If the factory offered the size you are adding they must have the right set
up somewhere.
The difference in speed to the speedo will be proportionate to speed, so it
won't be much around town, but when you get up to 70+ it can be
considerable.
If you just want to add bigger rims, you could go "plus 1" and just get
lower aspect ratio tires, keeping the same diameter. That won't throw off
your speedo, but you'll lose some ride quality (and gain some handling)
I'm surprised 90s Imperials came with 14s. All my fwd mopars (80s Daytonas
and Lasers) had 15s
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