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Old 10-12-2019, 05:44 PM   #1
1320NUT
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Tire & Wheel size

what would some or most of you recommend for a tire/wheel size for a 1990 454ss with a 2/4 lowering kit? Thanks
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Old 10-13-2019, 02:29 PM   #2
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Re: Tire & Wheel size

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Originally Posted by 1320NUT View Post
what would some or most of you recommend for a tire/wheel size for a 1990 454ss with a 2/4 lowering kit? Thanks
What 'look' do you favor? Old school 15" combo, 'plus-one' sizing (16-18"), or big wheels 20-22's)??
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Old 10-13-2019, 02:45 PM   #3
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Re: Tire & Wheel size

Looking at these would like an 18". http://us-mags.com/desperado-5-u423-w-7472.htm
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Old 10-14-2019, 10:50 AM   #4
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Re: Tire & Wheel size

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Looking at these would like an 18". http://us-mags.com/desperado-5-u423-w-7472.htm
Do you rotate/expect to rotate the tires or do you normally run different front/rear sizing?
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Building a small, high rpm engine
with the perfect bore, stroke and rod ratio is very impressive...
like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar.

Cubic inches is like Indiana Jones with a cheap pistol....
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Old 10-14-2019, 11:32 AM   #5
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Re: Tire & Wheel size

Yes I plan on Rotating them same size all around
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Old 10-14-2019, 03:45 PM   #6
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Re: Tire & Wheel size

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Yes I plan on Rotating them same size all around
OE rubber was 275/60-15 on 7" wide SS spec wheels if I recall correctly (or 28" tall).

255/50-18 = 28.03" so that's going to be your height limitation. Fronts will offer less clearance vs. rear so I would look into how much room you have w/an original set-up to help decide.

Some 255/50's on 8" wheels should be a good fit. If there's not enough clearance @ the fender opening, you'll need to go down in sidewall ratio ('45' series vs. '50' series) to get a shorter overall diameter. Backspacing (or offset depending on wheel manufacturer) will also play into what fits & works. It needs to be optimized if @ all possible.

I would do some internet searching for other 454ss trucks & get info on a set-up that is similar to what you visually like & go from there.
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Building a small, high rpm engine
with the perfect bore, stroke and rod ratio is very impressive...
like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar.

Cubic inches is like Indiana Jones with a cheap pistol....
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Old 10-24-2019, 08:50 AM   #7
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Re: Tire & Wheel size

Take a few basic measurements and use this calculator. VERY HANDY!

You can try different combinations and see if the clear.

https://www.wheel-size.com/calc
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Old 10-24-2019, 04:33 PM   #8
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Re: Tire & Wheel size

Thanks for the chart
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