C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

bolt pattern help

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Old Jul 6, 2006 | 07:27 PM
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Default bolt pattern help

Can anyone tell me the bolt pattern for a 87 coupe?
And will 15x10" rims fit the rear
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Old Jul 6, 2006 | 07:38 PM
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The C4 has the 4 3/4" pattern that most five lug Chevys have had since the 50s. Whether those wheels will fit is based on many things, no pat answer there, such as what you consider "fit", offset, etc.
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Old Jul 6, 2006 | 07:59 PM
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I was told there was NO WAY a 15" rim would fit on the car. 16" minimum. I Have a few sets a drag radials(15") so I was gunna pick up some rims but I don`t know if I can do it.
Another guy on this forum told me a while back that he had 15`s all the way around, skinnies up front and 15x10 out back.
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Old Jul 6, 2006 | 08:10 PM
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The CORRECT 15" wheel HAS to fit. The 1984 was scheduled to be produced with 15" wheels. Check THIS thread, post number 46, for more details.

RACE ON!!!
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Old Jul 6, 2006 | 10:57 PM
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These are 15 x 10 Weld Wheels with a 7.5" backspace. Don't know what the offset is.

Grinding of the calipers is necessary.

This is on my '93.
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Old Jul 6, 2006 | 11:51 PM
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And the 87 rear rotors are a half inch smaller than Mojo's.
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Old Jul 7, 2006 | 07:51 AM
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Originally Posted by CentralCoaster
And the 87 rear rotors are a half inch smaller than Mojo's.
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Old Jul 7, 2006 | 04:19 PM
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if there 1/2 inch smaller I wont have to grind as much right?
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Old Jul 7, 2006 | 04:20 PM
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Originally Posted by Mr Mojo
These are 15 x 10 Weld Wheels with a 7.5" backspace. Don't know what the offset is.

Grinding of the calipers is necessary.

This is on my '93.
You doin that on factory IRS? sweeet
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Old Jul 8, 2006 | 12:08 AM
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Originally Posted by cemittar
You doin that on factory IRS? sweeet
All factory except the wheels and torque converter
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