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Diff gearing

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Vette Obsessed:
13.5 ET - as in a 13.5 second quarter mile capability.

I was wondering if it was your car or Chris's that does a 13.5...

johnny86convert:
VO  I  think  it  was  chris's,  his  vette  was  really  quick  in  melbourne  in  the  garage  events if  its  the  vette  I'm  thinking  of.Mine  is  stock  but  would  like a  bit  more  grunt,BTW  I  am  still  interested  in  the  headers  you  have  for  sale.

77CVT:
I would have thought most C4's would do sub 14.5's?????

(mine only does 14.1's)

Brutus:
And here's me thinking you guys were talking in inches!:22

Vette Obsessed:
JH, no worries about the headers.

Chris, I think you are right on the money.  From what I have seen firsthand, most stock C4's are good for 14.0 - 14.5 ET's.

I have seen a lightly modded 89 auto run a 13.9 (or was that a 13.8?) with light mods and 3.07 gears on the old Eastern Creek strip (which had a slight uphill section that knocked about one tenth off most production cars from what I understand).  My experience is that each tenth after that starts to cost you more and more money (as expected). ;ay

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