From what I can tell, there is only going to be a 1.7% difference reslting in 60 vs. 61 mph readings...you are agonizing over this little difference in speedo?
jjs,
You're right about the difference on paper. But to be sure, after the tire change I went to the local interstate and set the cruise and timed the MPH between several mile markers. The cars speedometer was reading 57mph at 60 seconds. That would mean that at 60mph I am really running almost 63. So yes I would like it as close as possible. So it means that when I'm running 74mph I am probably running 76+ and then the cops won't like it. Either way I am speeding. But their braking mark in most areas is 9 over . Now I know what to run to avoid a ticket, but the wife may forget. Like to keep my happy home happy.
__________________ Mspeasl "Growing old may be mandatory. But growing up is optional" 05 300 'C' Satin Jade Pearl
Delivered June 1, 2004 Preordered 03 350 'Z' RedlineTouring 6sp
Delivered August 29, 2002
My car is going in next week for the front end alignment TSB 02-002-05. To correct the pull to the right,they will replace the camber bolts. They also flashed the PCM for hesitation on acceleration no TSB for this. But STAR online said refer to TSB 18-031-04 for the updated software so far it`s better.
I took my 300C into Houston's Archer Chrysler dealership to be realigned because it was pulling to the right. I thought the right-pull problem was permanently fixed afterwith an alignment job 6 months ago, but the problem returned. I asked about installing the camber and bolt kit and they told me that they did not recommend installing it because it would cause excessive tire wear, even though the pulling would be corrected. Since the car is more than 12 months old (by 2 weeks) they refused to do the alignment under warranty. It cost me $89 to get it aligned to the new TSB specs, yet it still pulls to the right. A common trick that the dealers are using is to over-inflate the tires to 35 psi to help disguise the problem. I think this is what was done to the car after the first realignment because the problem seemed to resurface when I inflated the tires to the recommended pressure. This is definitely a defect in the design of the 300C.
On the tire wear/rotation issue, I think it's interesting to note that BMW does and MB used to say in their owner's manuals that if you want you can rotate your tires to even out the wear, but you get better handling if you don't rotate, albeit the inside edge will wear faster.
Did Chrysler correct the alignment issue in production cars and does anyone know when they went to the new specs? My car has a build date of February 2005, one of the last 2005's before they switched over to 2006 models. It does seem to be a little sensitive to the road crown but on flat roads it does not have a right lead; only on roads where I can clearly see a pronounced crown and even then it's very minor. I'm thinking that my alignment is probably fine and getting rid of the continentals someday will probably take care of the 'crown sensitivity' to a large degree. I've only got 1500 miles on the car so I can't comment on tire wear. Any input?
no tire wear issues for my 2006 with a build date of feb 06. no alignment issues either. I think they fixed several of the problems experienced in the 05 with the 06. I have no problems with wheels pitting either. In fact, I have had 0 problems with my car so far and im at a little over 7k miles right now
Did Chrysler correct the alignment issue in production cars and does anyone know when they went to the new specs? My car has a build date of February 2005, one of the last 2005's before they switched over to 2006 models. It does seem to be a little sensitive to the road crown but on flat roads it does not have a right lead; only on roads where I can clearly see a pronounced crown and even then it's very minor. I'm thinking that my alignment is probably fine and getting rid of the continentals someday will probably take care of the 'crown sensitivity' to a large degree. I've only got 1500 miles on the car so I can't comment on tire wear. Any input?
for what it is worth... According to DC TESTIMONY in my unsuccessful lemon law arbitration case.... all crown sensitibity/ tire wear issues are directly due to the crappy Conti tires which, by the way, "are not covered under warranty". Including my latest 3 alignments (as well as installation of the bolt kit that the previous unnamed dealer in Watkins Glen New York dealer had claimed to have installed !) from a DC dealer that seemed to care, I have had 10 alignments and need my third set of tires @ 19K. Still pulls to the right. Can't wait for the cords to be showinig from these tires soon and get them replaced.
I had the bolt kit done for excessive crown sensitivity, pulled right and left depending on the crown. The dealer just did it, I thought an alignment was all I needed. This helped but the crown pull was still there. As I was driving on the freeway this morning on my 3 week old GY ComforTreads I noticed how there is essentially no crown sensitivity, it took vitually zero pressure on the wheel to go straight. If not a strreing and suspension flaw there is certainly a lack of development and testing. Either way, DC really missed this and in classic Chryco fashion, blame the tires or the owner depending on the defect.
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no tire wear issues for my 2006 with a build date of feb 06. no alignment issues either. I think they fixed several of the problems experienced in the 05 with the 06. I have no problems with wheels pitting either. In fact, I have had 0 problems with my car so far 
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