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MikeB123
Samba Member
Joined: July 06, 2023
Posts: 1
Location: KS
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 Posted: Sat May 24, 2025 7:53 am Post subject: Oversized rear tires using a chevy 5 lug adaptor |
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I've been restoring an old homebuilt dune buggy built on a 1966 Ghia frame. It had 5 lug chevy wheel adaptors on it. I left them on and bought a set of rims & tires with rear wheels dimensions P255 60R15.
My father in law (didn't build it) told me he was told not to use oversized tires on the back.
Not sure about that, but I had an issue with the very short lug bolts holding the converter plate to the original drum coming loose. (Back left) I can't install a longer lug bolt or it will tear up the brakes.
Four questions:
1. Is it true buying a narrower set of wheels would make a difference?
2. Short of adding Loctite and frequently checking the torque (95-100) is there anything else I can do?
3. Would switching the brakes from original pads to discs allow me to install a longer lug bolt? Maybe even secure them on the inside of the drum with a clip or narrow nut?
4. I'm using old adaptors. Are the newer steel adaptors just as strong? (basically star shaped) |
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c21darrel
Samba Member
Joined: January 22, 2009
Posts: 8246
Location: San Dimas
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Stinky123
Samba Member
Joined: January 31, 2022
Posts: 251
Location: Grand Junction, CO
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| Posted: Sat May 24, 2025 8:55 pm Post subject: Re: Oversized rear tires using a chevy 5 lug adaptor |
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#1, Yes, the wider the wheel, the more leverage there is on the studs.
#2, yes....but not sure what
#3 , Yes, the longer the studs, the better, this is a problem for you
#4, I doubt that this is an issue. |
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Stinky123
Samba Member
Joined: January 31, 2022
Posts: 251
Location: Grand Junction, CO
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| Posted: Sat May 24, 2025 9:00 pm Post subject: Re: Oversized rear tires using a chevy 5 lug adaptor |
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| Could you re.tap your drums to the larger studs? |
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