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65 Bonne 8 Lug Tire Size Help......

Discussion in 'The Hokey Ass Message Board' started by 63novaman, May 15, 2011.

  1. 63novaman
    Joined: May 4, 2011
    Posts: 2

    63novaman
    Member
    from seminole

    Hello everyone, I'm a newbie from Florida. I have a 65 Pontiac bonneville in need of new tires. The current size is 225/70/14 on 8 lugs, I was told by the tire shop that the size was incorrect and they do not have a clue to what i need??? Can any please tell me the correct size tire for my Bonne and what brand you recommend?

    Thanks in advance
    Phil
     
  2. KJSR
    Joined: Mar 7, 2008
    Posts: 2,440

    KJSR
    ALLIANCE MEMBER
    from Utah
    1. Utah HAMBers

    Your Bonneville has 8 lug? Is it a 4x4?
     
  3. v8 garage
    Joined: May 18, 2006
    Posts: 276

    v8 garage
    Member

  4. 8 lug pontiac rims and drums are the hot set up.

    Ok so first question I have is If they have no clue what you need HOW DO THEY KNOW ITS WRONG ?

    Factory size was 8.00 x 14 . Do the 225/70/14 fit nice and work well? 225/75/14 would also be a good choice. Hope you got the mounting plate. Im going to guess that tire shop will mess you up if they have no clue what tires you need. Find a well established tire shop with someone who has a bit of gray hair and dirty hands, they'll know what 8 lug pontiac wheels are.


    Welcome to the hamb , be sure to do an intro and post some pics of your pontiac
     

  5. KJSR
    Joined: Mar 7, 2008
    Posts: 2,440

    KJSR
    ALLIANCE MEMBER
    from Utah
    1. Utah HAMBers

    Wow, never knew that. Learn something new every day!
     
  6. robertsregal
    Joined: Oct 2, 2008
    Posts: 743

    robertsregal
    Member

    We had a set of eight lugs on our 1968 catalina convert the size you mentioned should work fine as suggested if you do not have a backing plate for mounting and balancing purposes you will need to get one, and yes alot of folks have never seen or heard of this great pontiac drum and wheel set up! They Rock!!
     

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  7. 63novaman
    Joined: May 4, 2011
    Posts: 2

    63novaman
    Member
    from seminole

    Thanks everyone for your feedback......I can go with the original 225/75/14 or 225/70/14 that is currently on my bonne. I am now in debate between the cooper cobra and the Firestone Indy 500. This is a great forum, thanks ya'll
     
  8. therein1951
    Joined: Jun 2, 2009
    Posts: 14

    therein1951
    Member
    from onsted mi.

    Roush is repoping the 8 lug setup. contact them in livonia mi.
     
  9. Tman
    Joined: Mar 2, 2001
    Posts: 34,429

    Tman
    ALLIANCE MEMBER

    Its obvious the shop has no idea what the 8 lug setup is, I would find another shop.
     
  10. ^^^x2.

    Had those on my long-gone '66 Bonneville ragtop (one car of several I wished I'd NEVER sold!). This was in the mid-'70s, so the tire guys were familiar with them then, and they used that adapter to spin-balance them.
     
  11. Sweepspear
    Joined: May 17, 2010
    Posts: 292

    Sweepspear
    Member

    The Indy 500 is a very good tire.
    Had a set on a daily driver and couldn't have been happier with them.
     
  12. 50ChevyFrank
    Joined: Sep 5, 2007
    Posts: 229

    50ChevyFrank
    Member

    Only heard and read about the 8-lug Pontiacs. Never seen any myself. What is the bolt circle? In the picture above it looks large.
     
  13. Master of None
    Joined: Dec 18, 2009
    Posts: 2,279

    Master of None
    Member



    Go with the cooper's. I have a friend that has been a Cooper dealer for more than 25 years. They (cooper) has a great warranty plan and they seem to last longer in my opinion. P.S. he also was a Pontiac dealer for the same amount of time. He runs a old Pontiac big car parts business on the side. Has lots of parts some N.o.s. P.m me if you would like his #.
     
  14. The old 8.25-14 or newer G78-14 should be close too. Oh yeah, I remember the plate with all the holes that went on the Coats 20-20. And of course it was always missing the bolts that came with it. I used to do them all the time and never cracked one.

    Bob
     
  15. I love my Indy 500s. On my second set on a o/t Crown Vic Interceptor. I got 120,000 miles on my first set. Inflation, rotation, and ran 'em till they became maypops. I wish I would have kept my '65 Grand Prix with the 8 lugs.
     
  16. How's the car look with what's on it? Can you show us? (I'm kinda thinking 215x75's)
     
  17. gregneun
    Joined: Jun 5, 2010
    Posts: 26

    gregneun
    Member
    from SoCal

    The 225 70 14"s are probably pretty close to the G78-14 bias ply. There are conversion charts. Look what people have on their Pontiacs at the Performance Years site.

    This link is for the 62-66 Big Car section. If you have a Pontiac you should also be looking at the Performance Years site. They have a very good group of knowledgeable and helpful posters.

    http://forums.performanceyears.com/forums/forumdisplay.php?f=428
     

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