gran sport

  1. New member, checking in!

    New member, checking in!

    white with black interior, bucket seats and console
    • TriShieldFever
    • Garage item
    • 1966 convertible gran sport wildcat
    • Comments: 1
    • Category: Buick
  2. J

    340 headers

    I'd like to get the headers sanderson makes for the 340. Though they are shorty's, does anyone know how much of a power increase I'd get over my stock manifolds? Are they worth it? Thanks
  3. E

    Desperately seeking Wiring Diagram 1966 Gran Sport

    I have the repair manual but there is no reference to either of these options. Any idea on where to find them? Any help is greatly appreciated.
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