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bolt pattern for cutlass

Discussion in 'Oldsmobile Cutlass / 442 / Hurst/Olds' started by 86_olds, Jun 12, 2010.

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  1. 86_olds

    86_olds G-Body Guru

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    am thinking maybe some cragars super sport or cragars blase 330 (15x8) in the back but i would like to know my bolt pattern are they and what website would you guys recommend buying them i know summit racing has em and i have also heard that u need a spacer is that right ?
     
  2. 85GPLef41

    85GPLef41 Royal Smart Person

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    Bolt pattern is 4.75 as for the spacer i wouldn't know.
     
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  3. 86_olds

    86_olds G-Body Guru

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  4. 85GPLef41

    85GPLef41 Royal Smart Person

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    No those wouldn't fit but you could probably find some in the correct 4.75 SAE or 5x120.65 Metric bolt pattern. I bought a bolt pattern tool for 3 bucks at the swap meet. It's a plastic wheel with the different pattern stamped on it. You could probably find one in SAE and Metric patterns.
     
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  5. joe_padavano

    joe_padavano Royal Smart Person

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  6. jrm81bu

    jrm81bu Comic Book Super Hero

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    No, on a five lug pattern you measure from the outside of one lug to the center of the one across.
     
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  7. beermonkey9417

    beermonkey9417 Royal Smart Person

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    its 5 lug by 4.75 or 4 3/4, good luck with yer new rims, and post pics!
     
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  8. MrHernandez

    MrHernandez G-Body Guru

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    Check wheelsforless.com I got a set of black and aluminum ION 16x8's for a bit more than $500 and free shipping AND THE BOLT PATTERN IS 5x4.75
     
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  9. joe_padavano

    joe_padavano Royal Smart Person

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    That is an expedient way to get close to the bolt circle on a five lug wheel. Again, it's called a bolt CIRCLE for a reason... it's the diameter of a CIRCLE that all the bolts (or wheel lug holes) are centered on. If you have an even number of wheel lugs, then two opposite ones give you a diameter. There are no opposite ones with an odd number of lugs. I am constantly amazed that people find this such a hard concept to grasp.
     
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  10. jrm81bu

    jrm81bu Comic Book Super Hero

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    That is an expedient way to get close to the bolt circle on a five lug wheel. Again, it's called a bolt CIRCLE for a reason... it's the diameter of a CIRCLE that all the bolts (or wheel lug holes) are centered on. If you have an even number of wheel lugs, then two opposite ones give you a diameter. There are no opposite ones with an odd number of lugs. I am constantly amazed that people find this such a hard concept to grasp.[/quote][/quote][/quote][/quote][/quote]

    If you measure from the center of the the studs on our cars you won't come up with 4.75. It's called a bolt pattern not a bolt circle. Go back and read the link you posted. You have to go from the outside edge to the center of an opposing stud or you will have the wrong measurement. On four lugs you go from outside to outside, so if you used center to center it would be wrong also. I don't have a problem understanding this at all.
     
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