74 Pontiac Grandville
455 bored .040 with Stock rods ,beams polished, big ends resized,arp bolts
stck crank ground, trw slug flat tops,polished ,oil holes chamfered, entire assembly balanced,2 bolt studed bottom end
Bullet racing cam single pattern Hydraulic flat tappet with Rhoads Lifters, 108 LSA,set @104,231 231 with 556 556 lifts using my H.S 1.65's
6x-8 heads ported by Marty Warden flowing 250@400 lift and 260 @500 lift comp set at 9:3.1
Stock 69 intake opened up to 2.10x1.15,using a cliff q-jet and 1" spacer
dougs 1 3/4 headers into 3" X pipe with dumps
turbo 400 ,plate drilled for firm shifts,continental tight 10" 3200 stall
3.42 gears on 28x10.5x15 mickey slicks
best time to date in a terrible headwind...13.04@101.43 with a 1.83 60 ft @ 4600pds
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Darby
74 Grandville 2Dr 455 c.i 4550#
2011 1.60 60 ft,7.33@94.55-11.502@117.74
2017, 74 firebird -3600 lbs (all bests) 1.33 60 ft, 6.314@108.39 9.950@134.32
M/T 275/60 ET SS Drag Radial
2023,(Pontiac 505) 1.27 60 ft, 5.97@112.86, 9.48@139.31.... 275/60 Radial Pro's
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