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Old 02-13-2023, 06:29 PM
wbnapier wbnapier is offline
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Location: Encinitas, CA
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I'll DM you Dick.

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1965 Pontiac GTO
455/469 w/ #48 Heads, '65 Tri-Power
9.25:1 CR
Stump Puller Cam
Muncie M22W 1st-2.56 2nd-1.75 3rd-1.37 4th-1.00
3.55 Rear Differential
Front: 225/60R15 Height: 25.6"
Rear: 275/60R15 Height: 28"
  #2  
Old 02-14-2023, 11:37 AM
pfilean's Avatar
pfilean pfilean is offline
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Location: West Des Moines, IA
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I thought those double drilled bases were used on big cars when an "economy" option single carb was ordered, and it got a smaller venturi than even the 65 and earlier center carb.

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