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post #1 of (permalink) Old 03-25-2019 Thread Starter
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5x114.3

I am wondering if any members on here run 5x114.3 on there impalas that have 5x115 bolt pattern and if so have any had any issues.

Thank you
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post #2 of (permalink) Old 03-25-2019 Thread Starter
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These are the rims
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post #3 of (permalink) Old 03-26-2019
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I do not run 114.3 wheels on my car, but for what it's worth I must place my vote in the "better safe than sorry" camp.

While I know of people who *say* they have put the 114.3 and 115 and been fine (read: anecdotal data) I have also *seen* a car with 114.3 wheels on 115 hubs (as a matter of fact I'm pretty sure it was an 8th Gen Imp) cause the studs to snap off. While 0.7mm does not seem like a lot, the hardened studs aren't really made to flex. And, if I'm not mistaken, most shops won't even install 114.3 on 115 or vice versa, or they make you sign a waiver. I could be wrong about the shops though.

Here's some previous discussion on other forums you may find helpful.

https://www.cadillacforums.com/forum...fit-115mm.html
https://gm-volt.com/forum/showthread...t-115-vs-114-3
https://www.impalaforums.com/wheels-...d-5x115-2.html
https://www.cadillacforums.com/forum...-vs-115-a.html

Hope this helps.


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Last edited by TeeRev; 03-26-2019 at 10:16 AM. Reason: Grammar, added one more link
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post #4 of (permalink) Old 03-26-2019
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I agree with @TeeRev. I was going to install 114.3 wheels on my 8th gen Impala at one point, but ended up deciding against it. After allm my family rides in the car and to me, it's just not worth the risk. They are plenty of 115 wheels out there.
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post #5 of (permalink) Old 03-28-2019
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I will have to be on the opposite side of this, I know plenty of W body guys who run 5x114.3. While I have heard the whole breaking studs thing in all my years I've never actually seen proof of it happening more hear say type of thing. I mean if its a higher HP car you're going to bring to the track I could see it being a weak point but just for a daily driver I would't worry.

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post #6 of (permalink) Old 03-28-2019
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https://www.cadillacforums.com/forum...-vs-115-a.html

Quote:
Originally Posted by AirBusPilot View Post
7/10th's of 1mm.

0.0393700787 inch = 1 mm

For ease of math, let's round to .040th's of an inch = 1mm.

.70 x .040 = .028 of an inch.

Meaning, each lug is being pulled inward .014 (14 thousandths) of a inch. A hair thicker than 3 sheets of paper.

Doesn't sound like much..

114.3mm = 4.5 inches, so it sounds like it's (or was) based on the english non metric system.

I personally doubt it makes a signficant difference from a strength/safety perspective. A tire store would naturally discourage it, for any potential liability concerns.

Project 2004 Impala SS - Restored summer daily
Project 2004 Indy SS - In progress (sold)
Project SS #3 - Winter daily (sold)
Project Finally an 05 SS - New winter daily (sold)
2004 Impala SS - Parts car (RIP)
2004 Impala SS - Parts car #2 (RIP)
2014 Impala LTZ (sold)
2006 Impala SS- Cheap LS4
2004 Impala SS- Yes another one
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