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

4.10 gears in ZR-1

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Old 09-15-2007, 05:39 AM
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BossZR1
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Default 4.10 gears in ZR-1

I need some help. Are there any reputable shops in the Richmond Virginia area that I can trust to install 4.10 gears in my 1990 ZR-1. What I mean by trust is to be sure they are installed properly. What should I expect to pay for parts and labor including speed calibaration

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Old 09-15-2007, 09:21 AM
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93 ragtop
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Zip products are very good.
Old 09-15-2007, 10:02 AM
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tequilaboy
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Prices vary, especially the labor to r&r the diff. and set up the gears.

Speedo calibration for 4.10s will put you into custom vss gears or an electronic ratio adaptor, which will add some extra cost.

I'd say it should be possible for under $1200 paying top dollar for labor. Estimated breakdown:

Gears: $300
R&R: $300
Set up: $300
Cal: $200
Misc: $100
Old 09-15-2007, 10:46 AM
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clf93lt1
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call scott at lakeside auto 804 266 2553, they work on all years of vettes.
Old 09-16-2007, 12:46 AM
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cv67
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Dont know of any shops out there, but I can say youll love that gearing in the Z, its perfect.
Old 09-16-2007, 01:09 AM
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biggrizzly
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I work over at Andrews AFB in Maryland. There is a guy over near there that quoted my $400 to install a set of gears in my car if I supplied the parts. I have no idea of how good he is except that one of the counter guys over at Speed Unlimited on Allentown Rd. said he was good with this type of work.

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