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Author Topic:   Power and time
Fastymz
Moderator

Posts: 18703
From: Reno Nv USA MEM#1240
Registered: Apr 2001

posted 03-09-2003 01:26 PM     Click Here to See the Profile for Fastymz   Click Here to Email Fastymz     Edit/Delete Message   Reply w/Quote
Is there a formula for predicting how much faster would a car run,by adding more power.Like for example if my car runs a 14.9 with about 190 rear wheel horse power.What would another 5-10-20hp ect power do for it?
This question is not just about my car.I was just thinking about this last night.And I knew someone on here would know.

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SCOOP
oddly obsessed with big scoops on little Mustangs

2.26 60'S
14.9 @ 90.86MPH

65 coupe,351w,C4,Big Boss 429 hood scoop,8"3.40 TracLoc,Cragar SS,Black Suede.

https://mustangsandmore.com/ubb/Fastymz.html

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Hans olsson
Gearhead

Posts: 622
From: Sweden
Registered: Apr 2000

posted 03-09-2003 01:46 PM     Click Here to See the Profile for Hans olsson   Click Here to Email Hans olsson     Edit/Delete Message   Reply w/Quote
Oops

[This message has been edited by Hans olsson (edited 03-09-2003).]

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Hans olsson
Gearhead

Posts: 622
From: Sweden
Registered: Apr 2000

posted 03-09-2003 01:47 PM     Click Here to See the Profile for Hans olsson   Click Here to Email Hans olsson     Edit/Delete Message   Reply w/Quote
If you add 20 hp to the rear wheel, my guess would be 3 mph and .45 of a sec.

Hans

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  • 71 Mach1 351c
  • E/SA 11.89-110 mph
  • F/SA 11.76-111 mph

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V8 Thumper
Gearhead

Posts: 4377
From: Arizona
Registered: Dec 2001

posted 03-09-2003 01:47 PM     Click Here to See the Profile for V8 Thumper   Click Here to Email V8 Thumper     Edit/Delete Message   Reply w/Quote
Here's a bunch of cool stuff:

http://www.prestage.com/carmath/

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1965 GT coupe, 333ci aluminum headed/solid cammed stroker, four speed, 3.70:1 9"

All Blue Oval, no blue bottle
http://mustangsandmore.50megs.com/V8Thumper.html

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V8 Thumper
Gearhead

Posts: 4377
From: Arizona
Registered: Dec 2001

posted 03-09-2003 01:49 PM     Click Here to See the Profile for V8 Thumper   Click Here to Email V8 Thumper     Edit/Delete Message   Reply w/Quote
Here's another really good one:

http://users.erols.com/srweiss/index.html

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1965 GT coupe, 333ci aluminum headed/solid cammed stroker, four speed, 3.70:1 9"

All Blue Oval, no blue bottle
http://mustangsandmore.50megs.com/V8Thumper.html

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Hans olsson
Gearhead

Posts: 622
From: Sweden
Registered: Apr 2000

posted 03-09-2003 01:49 PM     Click Here to See the Profile for Hans olsson   Click Here to Email Hans olsson     Edit/Delete Message   Reply w/Quote
10 rear wheel hp is worth .10 and 1 mph on our car.

Hans

[This message has been edited by Hans olsson (edited 03-09-2003).]

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Fastymz
Moderator

Posts: 18703
From: Reno Nv USA MEM#1240
Registered: Apr 2001

posted 03-09-2003 07:31 PM     Click Here to See the Profile for Fastymz   Click Here to Email Fastymz     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by Hans olsson:
10 rear wheel hp is worth .10 and 1 mph on our car.

Hans

[This message has been edited by Hans olsson (edited 03-09-2003).]


Cool thats what I was looking for.And is it safe to say that 10rwhp is = to about 13 flywheel Hp.

So for every 1 mph you get .10 off your time.


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SCOOP
oddly obsessed with big scoops on little Mustangs

2.26 60'S
14.9 @ 90.86MPH

65 coupe,351w,C4,Big Boss 429 hood scoop,8"3.40 TracLoc,Cragar SS,Black Suede.

https://mustangsandmore.com/ubb/Fastymz.html

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mustangboy
Gearhead

Posts: 774
From: Ont, Canada
Registered: Mar 2002

posted 03-09-2003 10:59 PM     Click Here to See the Profile for mustangboy     Edit/Delete Message   Reply w/Quote
Scoop just try one of those calculators for predicting speed and et.Try it at 190 hp and then 200 etc.

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1968 mustang j-code [email protected] 306cu.in, stock ported heads,weiand exellerator,650 holley DP,hedman hedders,comp 292 Magnum cam,4-speed,8 inch 4.11 detroit locker

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