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Discussion Starter #1
HOW ABOUT THIS....94 DEVILLE JUST PUT ON 20" WIRES W/ 245/35/20'S...CAR DIDN'T SHAKE AT ALL BEFORE WITH THE STOCK WHEELS...NOW IT SHAKES LIKE CRAZY...HAD WHEELS RE-BALANCED...STILL SHAKES...ROTATED FRONT TO BACK STILL SHAKES...CHECKED KNOCK OFF ADAPTERS..STILL SHAKES...HAD A SANDWICH...STILL SHAKES...SHAKES LESS AT LOWER SPEEDS...SHAKES MOST AT 55-65 MPH...PLEASE HELP ME BEFORE I BLOW MY BRAINS OUT!....MY LAST GUESS WOULD BE ALIGNMENT...ANY TAKERS ON THIS ONE?
 

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yeah bigger wheels, or I should say wider wheel need near perfect alignment, cause you got more grip now on the road. but is sounds like something else may be factoring in. Its shaking, how about swerving and trying to follow cracks in the road and stuff? Does it shake or swerve when you apply brakes?
 

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Originally posted by COTTONTAIL@Aug 12 2003, 12:33 AM
HOW ABOUT THIS....94 DEVILLE JUST PUT ON 20" WIRES W/ 245/35/20'S...CAR DIDN'T SHAKE AT ALL BEFORE WITH THE STOCK WHEELS...NOW IT SHAKES LIKE CRAZY...HAD WHEELS RE-BALANCED...STILL SHAKES...ROTATED FRONT TO BACK STILL SHAKES...CHECKED KNOCK OFF ADAPTERS..STILL SHAKES...HAD A SANDWICH...STILL SHAKES...SHAKES LESS AT LOWER SPEEDS...SHAKES MOST AT 55-65 MPH...PLEASE HELP ME BEFORE I BLOW MY BRAINS OUT!....MY LAST GUESS WOULD BE ALIGNMENT...ANY TAKERS ON THIS ONE?
This will be a pain in the ass, but put your stocks back on and fill the pressure on the tires past the max so they aren't "soft". Take it out and i bet it won't shake, but if it does then u have alignment/tie rod problems.


I personally think that one of the tires are bad (broken belt) or the place that did the balancing sucks.
 

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Originally posted by Foompla@Aug 12 2003, 10:58 AM
it might be alighntment i dont think its a broken belt... youd hear a constant thumping noise. just my .02 - no refunds!
IF it was alignment, it is likely that it would have done it prior to the wheel swap. The only variable that changed was the wheels and tires. Therefore, thats where the problem lies.


Unless the problem was there to begin with and he didnt notice.
 

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Originally posted by Joe5pt0+Aug 13 2003, 07:44 AM--></span><table border='0' align='center' width='95%' cellpadding='3' cellspacing='1'><tr><td>QUOTE (Joe5pt0 @ Aug 13 2003, 07:44 AM)</td></tr><tr><td id='QUOTE'><!--QuoteBegin--Foompla@Aug 12 2003, 10:58 AM
it might be alighntment i dont think its a broken belt... youd hear a constant thumping noise.  just my .02 - no refunds!
IF it was alignment, it is likely that it would have done it prior to the wheel swap. The only variable that changed was the wheels and tires. Therefore, thats where the problem lies.


Unless the problem was there to begin with and he didnt notice.[/b][/quote]
i dont think so. Because the larger wheels change the geometry of the suspension. Thats the only reason I would think alignment. Like dayton roller said, that car was not designed to roll 20's. Most arent. (Even tho i think the new bmw 7 series has twentys and the chrystler 16 has 24's but thats a diff story)

:)
 

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Originally posted by 1LOWCHERO@Aug 12 2003, 07:20 AM
yeah bigger wheels, or I should say wider wheel need near perfect alignment, cause you got more grip now on the road. but is sounds like something else may be factoring in. Its shaking, how about swerving and trying to follow cracks in the road and stuff? Does it shake or swerve when you apply brakes?
hmmmm, did I say that.
 

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Discussion Starter #9
how about this shit.....1 friggin week of shaking....and i blast a pothole and destroy my wheel!!!!!!!!!!! somebody shoot me!!!!....i put the stock rims back on for now and there is no more shaking....i cant win....anybody want to buy a set of used 20's...or does anybody have a 20" fwd for sale?


:guns: potholes
 

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Originally posted by COTTONTAIL@Aug 15 2003, 01:21 AM
how about this shit.....1 friggin week of shaking....and i blast a pothole and destroy my wheel!!!!!!!!!!! somebody shoot me!!!!....i put the stock rims back on for now and there is no more shaking....i cant win....anybody want to buy a set of used 20's...or does anybody have a 20" fwd for sale?


:guns: potholes
14 X 7 Triple Gold, Serves you right for converting over to the big tire gods
 

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Originally posted by 1LOWCHERO+Aug 13 2003, 08:21 AM--></span><table border='0' align='center' width='95%' cellpadding='3' cellspacing='1'><tr><td>QUOTE (1LOWCHERO @ Aug 13 2003, 08:21 AM)</td></tr><tr><td id='QUOTE'><!--QuoteBegin--1LOWCHERO@Aug 12 2003, 07:20 AM
yeah bigger wheels, or I should say wider wheel need near perfect alignment, cause you got more grip now on the road.  but is sounds like something else may be factoring in.  Its shaking, how about swerving and trying to follow cracks in the road and stuff?  Does it shake or swerve when you apply brakes?
hmmmm, did I say that.[/b][/quote]
yup. people dont listen tho! fools.
 

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Originally posted by Foompla+Aug 15 2003, 09:39 AM--></span><table border='0' align='center' width='95%' cellpadding='3' cellspacing='1'><tr><td>QUOTE (Foompla @ Aug 15 2003, 09:39 AM)</td></tr><tr><td id='QUOTE'>
Originally posted by [email protected] 13 2003, 08:21 AM
<!--QuoteBegin--1LOWCHERO
@Aug 12 2003, 07:20 AM
yeah bigger wheels, or I should say wider wheel need near perfect alignment, cause you got more grip now on the road.  but is sounds like something else may be factoring in.  Its shaking, how about swerving and trying to follow cracks in the road and stuff?  Does it shake or swerve when you apply brakes?

hmmmm, did I say that.
yup. people dont listen tho! fools.[/b][/quote]
I have the EXACT SAME car with 20s on it.

The suspension geometry is FAR from stock (I made custom front struts) AIR STRUTS. The car has Air Bags. My caster is 4 degrees off on the driver's side. The toe alignment is perfect at 50psi with the camber around -0.5 degrees and good down to 30psi but the toe goes +1 degree at 60psi and at 70psi its WAY off.

I'm just pointing out that i have a little experience with THIS car and 20s. A very good friend of mine works at the shop that did my alignment. I had the car aligned at factory ride height (50psi in the front). When i talked to him about it, he had me put the stock wheels on to do the alignment.

He said and I quote "Most people don't understand how alignments work. You don't align the wheels, you align the suspension. Putting different wheels on doesn't change the alignment if they are the same overall height."

This is true. The STOCK tire size on these cars is 215 70 15. I have 255 35 20. The difference is less than 1/2" overall height. After the alignment, my tires have been fine.


Now the overall point::
The problem was ONLY there with the 20s on the car. The stock tires had NO problems. Gee, its hard to figure out that the problem was the wheels. There could have been a number of problems including Poor balancing, broken belt, or an untrue rim. But no matter how u look at it, it was a problem with the wheels. If not, then he'd have the problem NOW that the stock wheels are on it. What part of this don't you guys understand?



Last edited by Joe5pt0 at Aug 18 2003, 10:26 AM
 

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Originally posted by ur not low89@Aug 18 2003, 10:30 AM
had to be the wheels or tires   i hate to say it but  i agree with joe


and im
ASE  certified suspension specialist  ;)
you have to be a specialist to figure that out? j/k

no offense :)

is that the easiest ase test?



Last edited by Foompla at Aug 18 2003, 05:53 PM
 

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Discussion Starter #16
THANX FOR THE INFO JOE...GOT ANY PICS OF YOUR CAR?...I COULDA FIGURED OUT IT WAS A PROBLEM WITH THE WHEELS...AFTER I TOOK THEM OFF..IT STOPPED...BUT I WAS THER WATCHING THE GUY RE-BALANCE THEM...SO I THOUGHT SOMEBODY MAY HAVE HAD THIS PROBLEM BEFORE...I SELL WIRE WHEELS AND I NEVER HAD A "BAD"WHEEL OR "BAD"TIRE BEFORE......THEREFORE ALL I HAVE TO SAY IS THAT IM NOT A RETARD......COOL!

BY THE WAY YOU CANT FIT 14X7'S ON THIS CAR...ITS A FWD...I GOT 14X7'S ON MY 81 CADDY!
 

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Originally posted by Foompla+Aug 19 2003, 12:53 AM--></span><table border='0' align='center' width='95%' cellpadding='3' cellspacing='1'><tr><td>QUOTE (Foompla @ Aug 19 2003, 12:53 AM)</td></tr><tr><td id='QUOTE'><!--QuoteBegin--ur not low89@Aug 18 2003, 10:30 AM
had to be the wheels or tires   i hate to say it but  i agree with joe


and im
ASE  certified suspension specialist  ;)
you have to be a specialist to figure that out? j/k

no offense :)

is that the easiest ase test?[/b][/quote]
its the first one i took im master mechanic certified now..


it wasnt that easy but if you know your stuff and read up it isnt that hard alot of tricky questions
 

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o yea? thats cool. When i was in school, we took these tests with ase-style questions. I know what you mean. A real pain in the ass. How often do you have to re-test?
 

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you have to retest for certain areas and i dunno how often i assume they send u something in the mail like they do with an electricians liscence or a plumbers certification
 

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my truck does the same thing, once i hit about 55-60 is shakes reel bad, i got the 13x7 inch reversed on my 88 mazda b2200
 
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