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09-15-2008, 11:36 AM
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#1 |
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Registered User
Join Date: Nov 2007
Location: Bay Area, Ca
Posts: 2,841
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Drag Calculators
There are a million of them out there.. This is the one that I have had the best results with http://www.nationaldrivetrain.com/calcs/dragcalc.html
Are there any others that you guys use that seem to yeild good results?
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------Motor---------------Bottle 60'---1.53---------------1.41 1/8---6.58 @ 105.92----5.87 @ 118.41 1/4---10.38 @ 126.97----9.24 @ 142.49 |
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09-15-2008, 02:36 PM
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#2 |
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Registered Truck Offender
Join Date: May 2008
Location: hells training ground (aka Ariz)
Posts: 3,118
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Re: Drag Calculators
Wow, that one is VERY optimistic. I put in HP from a conservative dyno, and ET's are almost a 1/2 second optimistic,
I use Performance trends Engine and Drag analyzer. Usually pretty close but it has the ability to put in the full range from the dyno, sample aerodynamics factors, enviornmental, bla bla bla. It ought to be close.
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Still playin with trucks, even at my age! When you're dead, it's only a problem for the people around you, because you don't know you're dead. .....It's kinda the same when your STUPID. I just did my taxes and reviewed my SS statement. Thanks to the current administration it looks like I will only have to work till noon on the day of my funeral. |
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09-15-2008, 10:19 PM
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#3 |
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Senior Member
Join Date: Mar 2004
Location: Nebraska
Posts: 583
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Re: Drag Calculators
i was wondering if it wasnt a little quick. the one i use if i dont use my performance trends dyno and drag anilizer is this http://www.wallaceracing.com/accel-calc.php
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my build http://67-72chevytrucks.com/vboard/s...d.php?t=210902 |
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09-16-2008, 02:26 PM
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#4 |
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Registered User
Join Date: Nov 2007
Location: Bay Area, Ca
Posts: 2,841
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Re: Drag Calculators
I think it's interesting that some drag calculators are more spot on for us individually.. The wallace one, says I should be .5 slower than what I really am.. Also, I tried changing a few things but retaining the same weight and HP.. Gearing did not affect it nor did number of shifts..
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------Motor---------------Bottle 60'---1.53---------------1.41 1/8---6.58 @ 105.92----5.87 @ 118.41 1/4---10.38 @ 126.97----9.24 @ 142.49 |
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09-16-2008, 09:52 PM
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#5 |
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fugedaboutit
 
Join Date: Mar 2005
Location: Gresham, OR
Posts: 832
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Re: Drag Calculators
Do those compute rwhp or fwhp? Either way its telling me to buy a new motor
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Currently truckless 
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10-04-2008, 04:44 PM
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#6 |
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Certified BFH Operator
Join Date: Apr 2007
Location: Austin, Tx
Posts: 154
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Re: Drag Calculators
I've actually had pretty good luck with TurboCalc. Its mostly for boosted engines but you can enter n/a stats and put 0 or 1 as psi and you should get the same results. and for those with boosted apps. you can get decent numbers out of it. Its got a variety of stuff on it form mph calcs for 1/4 mile and what not. I haven't really gotten to test it out completely yet. ( wow, I sound like a vendor
 ) Its not bad, but it asks you about a LOT of numbers that most of us don't have laying around on a cocktail napkin. http://www.turbofast.com.au/freesoftware.html
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- 1969 swb C/10 fleetside -LSx swap and Resto in progress LQ4/TH400/Ed Curtis cam/Pro Flo intake/Brian Tooley Goodies ..... a couple snails may be trying to crawl into my engine bay...  -1997 Z/28 - LT1/T-56 - Bolt ons, 9 inch, built trans/clutch and on the bottle |
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