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#1
12-21-2006, 08:30 PM
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weight X HP = ET
is there a basic formula for this?
Dave |
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#2
12-21-2006, 08:37 PM
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__________________
Derek B. Current best: 11.97@110 1.65-60' !!! '74 ventura,  (Fired july 14/06) '74 462 4-bolt (9.5-1), SCAT, Ross, T-II w/850DP (shaker455), TH350, Conti 10'' 3800, Supercomps, Magnaflow, 3'' Pypes, 3.73's, 28x13.5-15 ET streets.1970 Beismeyer 17' flatbottom vdrive, 11.8:1 455P, ported heads, dual Qjet tunnel ram. 
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#3
12-21-2006, 09:45 PM
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My 60 foot time show me having 937 HP!! I wish!!
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67 Firebird Best time 1.53 60' [email protected] 1/4 [email protected] 1/8 3500lb. leaf springs |
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#4
12-21-2006, 10:21 PM
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HP from ET (1/4 mile) = WEIGHT * (5.825/ET)^3 is the standard accepted equation.
455earlybird, I need to double check that page. I think it might be for the time to get to 60 mph, instead of 60' time. I'll double check it.
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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! W.E.C moment "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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#5
12-21-2006, 11:26 PM
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455earlybird, try it again and see what it is.
__________________
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! W.E.C moment "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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#6
12-21-2006, 11:35 PM
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350HP, are u sure it isn't on the low side now? Darnit!
__________________
Derek B. Current best: 11.97@110 1.65-60' !!! '74 ventura, (Fired july 14/06) '74 462 4-bolt (9.5-1), SCAT, Ross, T-II w/850DP (shaker455), TH350, Conti 10'' 3800, Supercomps, Magnaflow, 3'' Pypes, 3.73's, 28x13.5-15 ET streets.1970 Beismeyer 17' flatbottom vdrive, 11.8:1 455P, ported heads, dual Qjet tunnel ram.
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#7
12-21-2006, 11:52 PM
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Seems pretty darned accurate to me. It's probably one of the most conservative calculators iv'e seen online, and probably one of the most realistic.
My mph indicates 610 fwhp. My ET indicates 640 fwhp. My 60' (1.44) indicates 633 fwhp.
__________________
Brian Rock '65 GTO - Pump gas 496" IA2 w/ High Ports, 200-4R trans, 3.73 gears, 275 Hoosier radials, and 3925 lbs. 9.88 @ 134 N/A on Cali 91 octane. http://www.youtube.com/watch?v=NJEIY5OJ68g 
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#8
12-22-2006, 12:17 AM
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Quote:
 - those are pretty nice numbers
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#9
12-22-2006, 02:56 AM
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WOW I just put the hp#s of my old motor and the weight of my car and this calculator is real close.
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#10
12-22-2006, 09:15 AM
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Quote:
Only when I launch in reverse!
__________________
Brian Rock '65 GTO - Pump gas 496" IA2 w/ High Ports, 200-4R trans, 3.73 gears, 275 Hoosier radials, and 3925 lbs. 9.88 @ 134 N/A on Cali 91 octane. http://www.youtube.com/watch?v=NJEIY5OJ68g
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#11
12-22-2006, 09:46 AM
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I haven't seen any calculators on any web site that were accurate. On the other hand, the $8 Moroso slide rule is DEAD ON. I run within .05 of what it says every year after performance upgrades as well as a few others that have had their motors dyno'ed at BES. Now if you get your motor pumped on one of those happy dynos, all is out the window.
Last edited by John Langer; 12-22-2006 at 06:21 PM. |
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#12
12-22-2006, 12:32 PM
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HP from MPH
355HP from 103MPH High12's 426HP from 112.4MPH lowest 12's 497HP from 123MPH lowest 11's 4xxHP from 11xMPH to-be-determined  5xxHP from 1xxMPH to-be-determined
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95 Towncar that needs more TQ. Sold 2023: 12.24/111.6MPH/1.76 60'/28"/3.54:1/SP-TH400/469 R96A/236-244-112LC/1050&TorkerI//3850Lbs//15MPG/89oct Sold 2003: 12.00/112MPH/1.61 60'/26"x3.31:1/10"/469 #48/245-255-110LSA/Q-Jet-Torker/3650Lbs//18MPG 94oct Sold 1994: 11.00/123MPH/1.50 60'/29.5"x4.10:1/10"/469 #48/245-255-110LSA/Dual600s-Wenzler/3250Lbs//94oct |
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#13
12-22-2006, 01:10 PM
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John what are your ET/Weight stats and what is your HP?
__________________
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! W.E.C moment "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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#14
12-22-2006, 04:41 PM
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Quote:
 I WISH I HAD THAT POWER.
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#15
12-22-2006, 04:57 PM
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Quote:
WOW, it is amazingly accurate in my combo! *Your ET / MPH computed from your vehicle weight of 3250 pounds and HP of 321 is 12.60 seconds and MPH of 106.32 MPH. *Your Horsepower computed from your vehicle weight of 3250 pounds and MPH of 106.54 is 323.03. (106.54 was the best MPH last season) *Your HP is 321.11 computed from your vehicle weight of 3250 pounds and ET of 12.60 seconds BUT, my ET and MPH are not optimized as evident by my best 60' of 1.864 and the engine nosing over at the top of 3rd gear! It will be interesting to see what it shows when I run the car next Spring. It shows my current FWHP is 417 which sounds cool. But with the new intake, 1/2 fuel line, and 3500 converter it should make a marked improvement! JD
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Good luck to the new owner of the Ventura II! Sold the car after 13+ years. Look for it on the Hot Rod Power Tour in the future as it's currently being re-configured as a Pro-Touring ride! 
Last edited by 71 Ventura II; 12-22-2006 at 05:07 PM. |
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#16
12-22-2006, 05:36 PM
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Quote:
HEY BRO, HOW YOU BEEN? & HAPPY HOLIDAYS TO YOU AND YOURS!  Now on to the topic at hand! I must point out, (AND Mr. JOHN LANGERS WILL AGREE) These calculators and the moroso power speed calculators work their best when you totally have your suspension sorted out and are hooking well for your E.T. & M.P.H.!!!! Otherwise you're just spinning your wheels so to speak and won't get actual hard core data to go on!!! SO MAKE A PRIORITY TO GET THAT POWER TO THE GROUND FIRST AND FOREMOST!!! 
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#17
12-22-2006, 06:19 PM
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3250lbs [email protected], how much hp did I make???
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#18
12-22-2006, 06:39 PM
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Your HP computed from your vehicle ET is 905.74 rear wheel HP and 1,006.38 flywheel HP.
Your HP computed from your vehicle MPH is 805.55 rear wheel HP and 895.06 flywheel HP. This is probably the minimal HP if the car is set up right. This is just using the 3 inputs. No cd of the car,gears,converter,head flow,etc.
__________________
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! W.E.C moment "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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#19
12-22-2006, 06:46 PM
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So what does your calculator say if a motor makes 976 hp and weighs 3250?
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#20
12-22-2006, 06:49 PM
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Quote:
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