Parts Catalog Accessories Catalog How To Articles Tech Forums
Call Pelican Parts at 888-280-7799
Shopping Cart Cart | Project List | Order Status | Help



Go Back   PeachParts Mercedes-Benz Forum > Mercedes-Benz Tech Information and Support > Vintage Mercedes Forum

Reply
 
LinkBack Thread Tools Display Modes
  #1  
Old 11-16-2009, 11:21 AM
cadurning's Avatar
Registered User
 
Join Date: Jul 2009
Location: Magee, MS
Posts: 180
205/75-14 tires

Are 205/75 -14 tires too big for a W108 with 6J-14 Bundt wheels? The car has a 2.8 engine and automagic trans.

Right now I have 205/70-14 tires on the car. At 70mph in high gear the engine is screaming. I'm hoping a taller tire will slow down the engine, even if it's a little bit. As far as the speedo error, I have ways to deal with that issue.

__________________
"If it's in the newspaper it must be true." Dudley Do-Right
Reply With Quote
  #2  
Old 11-16-2009, 01:18 PM
Tomguy's Avatar
Vintage Moderator
 
Join Date: Aug 2002
Location: near Scranton, PA
Posts: 5,407
Be aware the rears will probably wear quicker w/o adjusting the spring perches (if they're not already at the max) because of the added height makes the wheels' camber off. They'll fit and clear.
__________________
Current:
2021 Charger Scat Pack Widebody "Sinabee"
2018 Durango R/T

Previous:
1972 280SE 4.5
2014 Jeep Grand Cherokee Limited "Hefe", 1992 Jeep Cherokee Laredo "Jeepy", 2006 Charger R/T "Hemi"
1999 Chrysler 300M - RIP @ 221k
Reply With Quote
  #3  
Old 11-16-2009, 03:22 PM
cadurning's Avatar
Registered User
 
Join Date: Jul 2009
Location: Magee, MS
Posts: 180
Tomguy,

I can see using a wheel with a different wheel offset affecting the camber. I don't see where a larger dia tire would effect the relationship between the axle and the chassis. Since the diff is attached to the body/frame of the car the only way to affect camber, that I am aware of, would to change the springs or use a wheel with a different offset. Changing the dia of the tire would only serve to change the distance from the alxe to the road and change the clearance within the wheel well & openings.

What I can see is if there is a significant difference in the weight of the tires, handling may be affected because of the difference in un-sprung weight.

Please correct me if I am wrong.
__________________
"If it's in the newspaper it must be true." Dudley Do-Right
Reply With Quote
  #4  
Old 11-21-2009, 09:07 PM
Registered User
 
Join Date: Oct 2009
Posts: 66
I bought 195/75/15 goodyears from Walmart. I normally wouldnt even think of walmart for tires, but they are 60 each, come in white wall and fit perfectly. Best thing is they mount and balance for 2.00 a tire!
Just my 2 cents...the size seems right.
Reply With Quote
  #5  
Old 11-21-2009, 10:38 PM
cadurning's Avatar
Registered User
 
Join Date: Jul 2009
Location: Magee, MS
Posts: 180
jkeith72,

I ended up getting 205/70-14 BFG tires for $60 each at Sams Club. Those had a $40 mail in rebate. Goodyear has a $50 instant rebate on 4 tires but frankly I've had so much trouble with the Goodyears on my other cars I elected to pass on those.

The BFG's on my newly found bundts are smooooth.
__________________
"If it's in the newspaper it must be true." Dudley Do-Right
Reply With Quote
  #6  
Old 11-21-2009, 10:54 PM
t walgamuth's Avatar
dieselarchitect
 
Join Date: Apr 2005
Location: Lafayette Indiana
Posts: 38,593
Quote:
Originally Posted by cadurning View Post
Tomguy,

I can see using a wheel with a different wheel offset affecting the camber. I don't see where a larger dia tire would effect the relationship between the axle and the chassis. Since the diff is attached to the body/frame of the car the only way to affect camber, that I am aware of, would to change the springs or use a wheel with a different offset. Changing the dia of the tire would only serve to change the distance from the alxe to the road and change the clearance within the wheel well & openings.

What I can see is if there is a significant difference in the weight of the tires, handling may be affected because of the difference in un-sprung weight.

Please correct me if I am wrong.
It is not often I disagree with tomguy but I agree that it should not affect the camber. and I agree a taller tire will increase unsprung weight and negatively impact ride and handling....it might well be worth it though to reduce cruising rpm.
__________________
[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.
Reply With Quote
  #7  
Old 11-22-2009, 02:46 PM
Tomguy's Avatar
Vintage Moderator
 
Join Date: Aug 2002
Location: near Scranton, PA
Posts: 5,407
Just posting from my experience. I had to adjust my perches. Maybe they were just that far off. From 185/70 to 205/70 I had to adjust each one to the next level.

__________________
Current:
2021 Charger Scat Pack Widebody "Sinabee"
2018 Durango R/T

Previous:
1972 280SE 4.5
2014 Jeep Grand Cherokee Limited "Hefe", 1992 Jeep Cherokee Laredo "Jeepy", 2006 Charger R/T "Hemi"
1999 Chrysler 300M - RIP @ 221k
Reply With Quote
Reply

Bookmarks

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On
Trackbacks are On
Pingbacks are On
Refbacks are On




All times are GMT -4. The time now is 07:01 PM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2024, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0
Copyright 2018 Pelican Parts, LLC - Posts may be archived for display on the Peach Parts or Pelican Parts Website -    DMCA Registered Agent Contact Page