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

Callaways with Automatics

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Old Jan 23, 2007 | 10:53 PM
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Default Callaways with Automatics

Did they have 4-speed 700R4s, 3-speed TH400s, or some of each?

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Old Jan 23, 2007 | 11:04 PM
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i believe the twin turbos used a TH400 with a gear vendors OD box on the back

someone please correct me if i am wrong

i think it was a pretty high dollar option too
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Old Jan 23, 2007 | 11:07 PM
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That sounds correct, but its been a while since I read about them. It was a crazy $$ option at the time.
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Old Jan 24, 2007 | 08:42 AM
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It was a Turbo 400 and it did have an overdrive unit attached to it but I am pretty sure it was not a GearVendors unit. I forget the name, at some point I am sure 89x2 wll chime in with it.
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Old Jan 24, 2007 | 10:07 AM
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It was a Laycock OD unit. $4,500 for the option according to R&T magazine.
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Old Jan 24, 2007 | 10:58 AM
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Originally Posted by Casethecorvetteman
It was a Laycock OD unit. $4,500 for the option according to R&T magazine.
http://i11.photobucket.com/albums/a1...allaway-p2.jpg
Awesome! Thanks
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Old Jan 24, 2007 | 11:22 AM
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No worries mate
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Old Jan 25, 2007 | 07:55 AM
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Originally Posted by 19corvette91
i believe the twin turbos used a TH400 with a gear vendors OD box on the back

someone please correct me if i am wrong

i think it was a pretty high dollar option too

It is a Gear Vendors unit. I know because I bought one from Callaway in the early 90's when they were selling off their Twin Turbo stock. The OD unit is a Laycock that is used on all the GV units, and as well as other OEM applications. Gear Vendors makes the adapters and modifies the OD unit.
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Old Jan 25, 2007 | 10:28 AM
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Yup its Gear Vendors. I believe final option price was $6500!
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