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#21
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An average of 0.415 BSFC is incredible. What A/F readings were you getting? I know my car has the best times at 12.8 A/F.
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1967 Firechicken, 499", Edl heads, 262/266@0.050" duration and 0.627"/0.643 lift SR cam, 3.90 gear, 28" tire, 3550#. 10.01@134.3 mph with a 1.45 60'. Still WAY under the rollbar rule. |
#22
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If I still had it, pretty damn fast ,lol
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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 |
#23
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They were pretty much where they were with last motor high 15 low 16, Just The BSFC Is even better on this one. He goes by EGT and how the plugs look as well, Those afr numbers aren't accurate, but he knows his dyno and knows that Doms always read high.
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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 |
#24
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Nice build!
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#25
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uh 8s Darby. Nice combo.
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Conrad 79 Trans AM 406 #12 heads Torker II intake Crower 60210 750 holley vac. sec. T400 3500 Stall 3:73:1 rear. ECMTTFMFers. IHTTFMFers. |
#26
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Nice numbers Darby. I see the numbers were still climbing . Never tried any pulls past 6400 RPMs ?
Its going to be a blast your first time out at the track. |
#27
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Thanks Conrad! Troy were gonna pull it higher today , stay tuned!
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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 |
#28
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Darby, did you dyno the last motor? What size is the carb?
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#29
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NICE!
Great build! Should be a lot of fun.
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"You have to evaluate the past,Focus on the future,and that tells you what you have to do in the present"--Lou Holtz “It’s the process it takes to get to goals that sets us apart, the execution on every single play, one play,one life” Notre Dame Head Coach Marcus Freeman 69 GTO NHRA Super Street Car 2860lbs 10.854@160.12 in Brainerd MN 7/2024 |
#30
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Great power.
What head flow? |
#31
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Quote:
our ET / MPH computed from your vehicle weight of 4500 pounds and HP of 728 is 10.69 seconds and MPH of 126.42 MPH. |
#32
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Pretty baddass "little" motor with d ports.
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#33
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Nice build Darby. Have fun
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#34
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Darby, at .415 BSFC your engine is 10-15 percent more efficient than an average high performance engine (.38-.39). Well done! Measuring EGT verses A/F ratio is a far more accurate picture of combustion efficiency. Higher EGTs = more complete combustion and more HP. What stroke are you runnIng?
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“It takes considerable knowledge just to realize the extent of your own ignorance.” Dr. Thomas Sowell Last edited by hurryinhoosier62; 08-22-2018 at 08:43 PM. |
#35
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Yes I did Scott, it made 651@6500, same carb on that motor that’s on here, my 1050 Dom.
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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 |
#36
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Quote:
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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 |
#37
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Final numbers today! I’m pretty excited about this motor!! Plugs look Awesome for pump gas!!
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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 |
#38
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Good job Darby! Great numbers.
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#39
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Very impressive numbers on pump gas and D ports!
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#40
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Nice job!
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540 c.i. Ultra Street Combo Tiger Heads with Tiger Intake Induction Solutions fogger with .046 jet First ultra street/ultimate street NOS car to get into the 4's! 1.079 4.559 153.23. 3100 lbs 7.77 @ 169 1/4 Mile (2015) with EHTTFMF!! T2TTFMF! Special Thanks to: Ron at Rhodes Custom Auto Butler Peformance Jim Hostler's Transmissions (HOSGTO) on here Induction Solutions BES Racing Engines. Cheeseburger VP Racing Fuels Calvert Racing |
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