19.5” P30 dually wheel question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**68bowtie** · 07-25-2018, 01:16 AM

I read somewhere (can’t remember where) that you can machine a 19.5” wheel to take a 19” tire. I don’t understand how that works. Can anyone explain?

mike16 · 07-29-2018, 10:33 AM

never heard of that before, maybe with cast aluminium wheels... maybe... but not sheet metal rims. there no meat enough in the rim to cut away..

and a lathe to cut a wheel of that diameter?

Mike C · 07-30-2018, 08:39 AM

You cannot do it with a steel wheel. But aluminum rims offer a lot more material. It is not common to do except with the 22.5" rim IME. But the extra heavy duty rim machined down and utilizing a relatively light duty 22" tire won't have any strength issues.

**68bowtie** · 07-30-2018, 09:12 AM

That makes more sense thank you.

mike16 · 08-02-2018, 07:59 PM

last time I priced 19.5's they wanted almost 2K for five of them.

Still used by UPS

radials with tubes and flaps mounted and ballanced! 2K!

07-25-2018, 01:16 AM	#1
68bowtie Senior Member Join Date: Jan 2007 Location: Turlock, CA Posts: 8,795	19.5” P30 dually wheel question I read somewhere (can’t remember where) that you can machine a 19.5” wheel to take a 19” tire. I don’t understand how that works. Can anyone explain? __________________ Please help my sister in law with her battle with cancer https://gofund.me/902f6fce Project "C10 Fever" (68 factory black 396 swb) Project "Little Sister" (70 c10 blue original paint refresh) Project "Blue Bomb" (70 c30 blue original paint refresh) SOLD Project "Vitamin C" (71 c10 orange original paint refresh) SOLD

07-29-2018, 10:33 AM	#2
mike16 Registered User Join Date: Dec 2009 Location: bisbee, arizona Posts: 1,529	Re: 19.5” P30 dually wheel question never heard of that before, maybe with cast aluminium wheels... maybe... but not sheet metal rims. there no meat enough in the rim to cut away.. and a lathe to cut a wheel of that diameter?

07-30-2018, 08:39 AM	#3
Mike C Registered User Join Date: Dec 1999 Location: Austin, TX, USA Posts: 7,727	Re: 19.5” P30 dually wheel question You cannot do it with a steel wheel. But aluminum rims offer a lot more material. It is not common to do except with the 22.5" rim IME. But the extra heavy duty rim machined down and utilizing a relatively light duty 22" tire won't have any strength issues. __________________ 44 Willys MB 52 M38A1 64 Corvette Coupe 68 Camaro 'vert LT1 & TH700 69 Z/28 355 12.6's @110 69 Chevy Short Step 4 1/2"/7" drop 72 Jimmy 4WD 4spd 4" & 35's 02 GMC 2500HD 4x4 Duramax

07-30-2018, 09:12 AM	#4
68bowtie Senior Member Join Date: Jan 2007 Location: Turlock, CA Posts: 8,795	Re: 19.5” P30 dually wheel question That makes more sense thank you. __________________ Please help my sister in law with her battle with cancer https://gofund.me/902f6fce Project "C10 Fever" (68 factory black 396 swb) Project "Little Sister" (70 c10 blue original paint refresh) Project "Blue Bomb" (70 c30 blue original paint refresh) SOLD Project "Vitamin C" (71 c10 orange original paint refresh) SOLD

08-02-2018, 07:59 PM	#5
mike16 Registered User Join Date: Dec 2009 Location: bisbee, arizona Posts: 1,529	Re: 19.5” P30 dually wheel question last time I priced 19.5's they wanted almost 2K for five of them. Still used by UPS radials with tubes and flaps mounted and ballanced! 2K!



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