ZR-1 Net Registry Forums - View Single Post - Trivia Question........anyone know what this Vette Doctors Black Box is?

USAZR1 · 08-02-2014

The reason I thought it might be related to the gear swap,is that 4.27's were installed. In 1998,the ratio choices were 3.92,4.09,and 4.27. The new Super 44 ring & pinions weren't available,yet.

08-02-2014	#3
USAZR1 Join Date: Oct 2013 Location: Wichita Falls,Tx Posts: 594	Re: Trivia Question........anyone know what this Vette Doctors Black Box is? The reason I thought it might be related to the gear swap,is that 4.27's were installed. In 1998,the ratio choices were 3.92,4.09,and 4.27. The new Super 44 ring & pinions weren't available,yet.