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#1
08-22-2018, 06:49 AM
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My New Pump Gas 505!
Dynoed the new motor yesterday, made 8 pulls, last one we tried 26 degrees, 7th was the best for the day@28 degrees timing and 112 BLP jets, we stopped there as it was heat soaked, hopefully finish it up later today and pull it higher to see what it looks like up top, I'm totally stoked with the new build and the early numbers its showing! 91 Octane and same KRE D Ports from last motor
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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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#2
08-22-2018, 07:21 AM
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Looks great!
Congrats! 
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John Wallace - johnta1 Pontiac Power RULES !!! www.wallaceracing.com Winner of Top Class at Pontiac Nationals, 2004 Cordova Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats KRE's MR-1 - 1st 5 second Pontiac block ever! "Every man has a right to his own opinion, but no man has a right to be wrong in his facts." "People demand freedom of speech to make up for the freedom of thought which they avoid." Socrates |
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#3
08-22-2018, 07:22 AM
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Very nice
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First Pontiac powered street car in the 7's 7.940@170.84. 3460#s |
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#4
08-22-2018, 07:40 AM
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Very impressive! I see that it liked 29 degrees timing best, and I've read and heard others say the same thing. For some reason the engines I've built with those heads always showed they liked around 32 degrees best on the dyno. Don't really know why. Congratulations though, great numbers!
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62' Lemans, Nostalgia Super Stock, 541 CI, IA2 block, billet 4.5" crank, Ross, Wide port Edelbrocks, Gustram intake, 2 4150 style BLP carbs, 2.10 Turbo 400, 9" w/4:30 gears, 8.76 @153, 3100lbs |
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#5
08-22-2018, 07:44 AM
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Good job Darby! Nice build.
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#6
08-22-2018, 07:45 AM
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Congrats, good job
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'65 Tempest 467 3650# 11.30@120.31 |
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#7
08-22-2018, 07:46 AM
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Awesome !
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63 Catalina coupe 455 budget drag car 11's 1/4 , 7.4 1/8th 66 Star Chief Executive 57k mile 69 Le Mans 2 dr HT 350 85k mile 15 sec 1/4 69 Firebird 400 Burgandy/Black 70 Olds Rallye 350 F85 4 speed 3.91's 70 Olds Cutlass Cruiser Red Wagon 350 101k miles 15 sec 1/4 12 sec w 455 74 Cheyenne Super C10 LWB Gen 6 454 w ZZ502 cam 3.07gear 13.1 1/4, 8.3 1/8 2020 RAM 1500 SLT 4x4 5.7 A8 Hemi 2007 Hummer H3 3.7 liter turd 2019 Chevy Spark petrol car 38 mpg |
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#8
08-22-2018, 08:08 AM
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Something I've learned from a few dyno sessions - be sure to use you own timing light at the dyno session and not rely on the dyno operators light. I had an experience where there was a slight difference between the 2(his was a dial back and mine a old conventional). Great numbers either way.
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65 Lemans Street Car - 521, T400, 3.70 9". 10.13 @ 135. 3770 lbs. Drag Week 14, 15, 17 63 Lemans Race Car- 8.81 @ 151, 5.60 @ 123(SOLD) 67 Bonneville ragtop 74 Firebird - 455, e heads, TK0600 in process |
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#9
08-22-2018, 08:11 AM
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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 |
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#10
08-22-2018, 09:30 AM
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Nice
Did you just up displacement and maybe cam change? Will be interesting to see how the car picks up. |
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#11
08-22-2018, 09:31 AM
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Great numbers. What is the cam and what are BLP jets? What was the BSFC numbers?
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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. |
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#12
08-22-2018, 09:35 AM
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Awesome congrats! What cfm on the heads?
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Chris D 69 GTO Liberty Blue/dark blue 467, 850 Holley, T2, Edelbrock Dport 310cfm w Ram Air manifolds, HFT 245/251D .561/.594L, T400, 9" w 3.50s 3905lbs 11.59@ 114, 1.57/ 60' |
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#13
08-22-2018, 09:47 AM
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Good numbers! Now get that thing in the car for some shake down runs!
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Skip Fix 1978 Trans Am original owner 10.99 @ 124 pump gas 455 E heads, NO Bird ever! 1981 Black SE Trans Am stockish 6X 400ci, turbo 301 on a stand 1965 GTO 4 barrel 3 speed project 2004 GTO Pulse Red stock motor computer tune 13.43@103.4 1964 Impala SS 409/470ci 600 HP stroker project 1979 Camaro IAII Edelbrock head 500" 695 HP 10.33@132 3595lbs |
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#14
08-22-2018, 09:58 AM
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Bruce, Cam change also, 55mm LSM Cam, Ls FIRING Order, .904 morel bushed lifters
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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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#15
08-22-2018, 10:01 AM
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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 |
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#16
08-22-2018, 10:03 AM
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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 |
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#17
08-22-2018, 10:04 AM
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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 |
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#18
08-22-2018, 10:11 AM
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Great numbers bro.
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#19
08-22-2018, 10:44 AM
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Nice results, Darby!
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It takes considerable knowledge just to realize the extent of your own ignorance. Dr. Thomas Sowell |
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#20
08-22-2018, 10:52 AM
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Darby, so how fast will it push the Grandville, instead of the Firebird?...……….LOL
BTW nice numbers!!!
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Brad Yost 1973 T/A (SOLD) 2005 GTO 1984 Grand Prix 100% Pontiacs in my driveway!!! What's in your driveway? If you don't take some of the RACETRACK home with you, Ya got cheated    
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