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

Z51 or Z52 how can I tell the differance.

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Old 07-19-2002, 03:04 PM
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marin1
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Default Z51 or Z52 how can I tell the differance.

how can I tell the differance if mine is a Z51 or Z52, I have an 88 convert.
4+3 17" stock wheels
Old 07-19-2002, 03:12 PM
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88JDO
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Default Re: Z51 or Z52 how can I tell the differance. (marin1)

Z51 steering is 2 or 2 1/4 turns lock to lock, Z52 is 2 3/4 turns. Also the rpo codes listed under the console cover should show options
Old 07-19-2002, 03:41 PM
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65Z01
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Default Re: Z51 or Z52 how can I tell the differance. (marin1)

In 1988 both options had the quicker ratio steering but Z51 had larger brakes, stiffer springs and shocks.

But Z51 was available only in manual tranny coupes in 1988.

Indeed check under the console lid to see in you have RPO Z52.
Old 07-19-2002, 03:43 PM
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scorp508
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Default Re: Z51 or Z52 how can I tell the differance. (marin1)

I have an 88 convert.
Z52, no Z51 on verts.
Old 07-19-2002, 03:43 PM
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vader86
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Default Re: Z51 or Z52 how can I tell the differance. (65Z01)

88 vert=no Z51
Old 07-19-2002, 06:39 PM
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IcemanZ06
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Default Re: Z51 or Z52 how can I tell the differance. (vader86)

Had Z52 on my 87 and it handled awesome. Check your RPO list for all your options. Scorp knows the 80s model cars like the back of his hand so go with what he says
Old 07-19-2002, 10:39 PM
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Lv2Driv
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Default Re: Z51 or Z52 how can I tell the differance. (IcemanZ06)

I thought I read that our Z52 had the same turning ratio as the Z51 but had a softer suspension in the rear?



[Modified by Lv2Driv, 8:40 PM 7/19/2002]
Old 07-20-2002, 12:01 AM
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vader86
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Default Re: Z51 or Z52 how can I tell the differance. (Lv2Driv)

I thought I read that our Z52 had the same turning ratio as the Z51 but had a softer suspension in the rear?
i think theyre supposed to have a softer suspension in the front, but the turning ratio is as listed above
Old 07-20-2002, 04:21 PM
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mikes84vette
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Default Re: Z51 or Z52 how can I tell the differance. (vader86)

88 vert=no Z51
Old 07-20-2002, 08:08 PM
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Rick Williams
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Default Re: Z51 or Z52 how can I tell the differance. (marin1)

Like most have said apparently they didn't make the Z- 51 in the Convertible for 88
Your build sheet or window sticker will verify what your car has.
The Steering is the same for the Z-51 & Z-52.
The Z-52 is listed on my window sticker as an optional "sport handling package " at an added cost of $470.00..
So you should feel better.. you have a Z-52 ..
Old 07-20-2002, 10:09 PM
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Default Re: Z51 or Z52 how can I tell the differance. (scorp508)

I have an 88 convert.

Z52, no Z51 on verts.
If you want to know anything else your car has just check the RPO codes under the console lid.

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