Dr Schiffer,
Thanks again for posting these articles and commenting on them.
I wonder why Wangers/Royal wasnt slipping in the 428 for these tests and passing them off as a 400??
Was it by then the magazines were becoming suspicious or that once someone had their GTO bobcatted it still would not be generating the #'s like in the magazine?
If these GTO's (like the white 1967 GTO), are being tested for the magazines and then doing actual street duty on Woodward later that night, wouldnt you want the "more powerfulr" engine of the two or was the idea to beat someone but not too bad since the whole idea of street racing was to get people into Royal to buy a GTO?
Don
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1966 GTO
1966 421-9.3-1 comp-Race Tec 23cc Pistons
1966 Tri-Power
1967 670 Heads
Pontiac "Highlift" TriPower Cam by SpeedPro
DUR 214 Int 224 Exh @.050 - 107 ICL
LIFT .445" Int .465" Exh
Tri-Y-Headers by Tribal Tubes w/ Goerlich Mufflers
1966 Muncie Wide Ratio 4-Speed
1968-72 Chevy 12 Bolt Rear End w/ 3.73 rear gears
Last edited by SD421; 12-11-2011 at 03:02 PM.
Reason: fix grammar
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