rainsucks
Junior Member
- Joined
- May 26, 2013
- Posts
- 4
- Reaction score
- 0
- Location
- lake stevens, wa
- First Name
- mike
- Truck Year
- 1977
- Truck Model
- k25
- Engine Size
- 350
I just picked a '77 GMC k25. It has a carter afb.
On my carb ( this is a pic off the internet but its identical to mine ) , port A is open and port B is plugged off.
Is that correct? or do they both need to be plugged, or both open? What were they originally used for?
Thanks
On my carb ( this is a pic off the internet but its identical to mine ) , port A is open and port B is plugged off.
Is that correct? or do they both need to be plugged, or both open? What were they originally used for?
Thanks
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