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  #341  
Old 12-20-2013, 08:38 PM
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mike leech mike leech is offline
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Originally Posted by Jeff Kinsler View Post
i will simplify this.

FOOT ON GAS PEDDLE = GO FAST..

EHTTFMF

VISNERS TTBMF!
no gas peddle on a computer or calculator though.

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  #342  
Old 12-20-2013, 08:44 PM
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Originally Posted by Jeff Kinsler View Post
i will simplify this.

FOOT ON GAS PEDDLE = GO FAST.. What about CV1s????

EHTTFMF

VISNERS TTBMF!




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  #343  
Old 12-20-2013, 08:51 PM
gene simmons gene simmons is offline
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(what's that head called anyway?)
Available!

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  #344  
Old 12-20-2013, 08:53 PM
gene simmons gene simmons is offline
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Quote:
Originally Posted by Jeff Kinsler View Post
i will simplify this.

FOOT ON GAS PEDDLE = GO FAST..

EHTTFMF

VISNERS TTBMF!
Gas Peddle TTFMF

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  #345  
Old 12-20-2013, 08:54 PM
Gaby Labiosa Gaby Labiosa is offline
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[QUOTE/]

Right now I'm building a car to run in heads up class, NA 7#/CID, car is now 499.999 CID and 3500#, will a smaller engine at less weight be faster? [/QUOTE]

YES

I'm not so sure about racing "under" peak but avg. power down the racetrack is where it's at.

At the HIGHEST rpm possible. Acceleration RATE is key.

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  #346  
Old 12-20-2013, 09:01 PM
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Originally Posted by Gaby Labiosa View Post
[QUOTE/]

Right now I'm building a car to run in heads up class, NA 7#/CID, car is now 499.999 CID and 3500#, will a smaller engine at less weight be faster?

YES

I'm not so sure about racing "under" peak but avg. power down the racetrack is where it's at.

At the HIGHEST rpm possible. Acceleration RATE is key.
Oh damn! and from a guy who builds class racing engines.

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  #347  
Old 12-20-2013, 09:31 PM
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Aaron Quinton Aaron Quinton is offline
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Gaby,

I agree with you, area under the power curve over the operating range in the application is what makes the car move.

Why does the HIGHEST rpm possible make it any faster?

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  #348  
Old 12-20-2013, 09:41 PM
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Gaby,

I agree with you, area under the power curve over the operating range in the application is what makes the car move.

Why does the HIGHEST rpm possible make it any faster?
I was told more compression strokes = more power.

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  #349  
Old 12-20-2013, 09:50 PM
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I know my motor peaks at 6600 but It will flat line past 7500 (same hp) Its faster when I shift at 7300 then when I shift at 6800. I always thought it was because of the extra momentum/inertia from the 500 more rpm's.

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  #350  
Old 12-20-2013, 09:57 PM
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I know my motor peaks at 6600 but It will flat line past 7500 (same hp) Its faster when I shift at 7300 then when I shift at 6800. I always thought it was because of the extra momentum/inertia from the 500 more rpm's.
winner. plus if its flat you raise the average by taking it to the higher rpm it will fall to a higher number on the shift.=raising the average.

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  #351  
Old 12-20-2013, 10:02 PM
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I was told more compression strokes = more power.
I thought this equated to lower ET?

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  #352  
Old 12-20-2013, 10:52 PM
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Quote:
I know my motor peaks at 6600 but It will flat line past 7500 (same hp) Its faster when I shift at 7300 then when I shift at 6800. I always thought it was because of the extra momentum/inertia from the 500 more rpm's.
Quote:
winner. plus if its flat you raise the average by taking it to the higher rpm it will fall to a higher number on the shift.=raising the average.
Sounds like you guys are confusing things?

It's the SAME total HP we were talking about.

How much time does you're engine spend at a low RPM?

Mine is basically at a 1000 RPM range if not less.


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  #353  
Old 12-20-2013, 10:53 PM
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Originally Posted by charlie66 View Post
I know my motor peaks at 6600 but It will flat line past 7500 (same hp) Its faster when I shift at 7300 then when I shift at 6800. I always thought it was because of the extra momentum/inertia from the 500 more rpm's.
Or the velocity in the port?

FWIW: Slower velocity can take more time for the engine to recover thus higher rpm shift points even thou the HP curve is flat.

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  #354  
Old 12-20-2013, 10:56 PM
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Quote:
I thought this equated to lower ET?
More HP to the ground equates to lower ET's.


Not HP at a high RPM or even low RPM, just good old HP!

If you're ET's don't equate to you're HP, then something on your car needs work.


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  #355  
Old 12-20-2013, 10:56 PM
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All I know is when I shift into 3rd gear at 7300 it hits way harder then at 6600. So that's sayin something to me....

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  #356  
Old 12-20-2013, 11:03 PM
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OK, lets talk acceleration rate.

I have a manual trans. (clutch) car traveling a long at constant velocity. I push the gas pedal to the floor and accelerate to the red line. Where was the max. acceleration rate as data logged on the G meter?

a) When I first floor the gas pedal
b) Peak Torque RPM
c) Peak HP RPM
d) Red Line RPM
e) none of the above

Stan

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  #357  
Old 12-20-2013, 11:05 PM
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All I know is when I shift into 3rd gear at 7300 it hits way harder then at 6600. So that's sayin something to me....
Did you ever have the motor dynoed to see where peak HP is and how quickly or slowly it falls off?

Stan

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  #358  
Old 12-20-2013, 11:08 PM
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Did you ever have the motor dynoed to see where peak HP is and how quickly or slowly it falls off?

Stan
Yes I did..

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  #359  
Old 12-20-2013, 11:12 PM
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Yes I did..
So what did the dyno sheet look like?

Stan

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  #360  
Old 12-20-2013, 11:15 PM
3fastgtos 3fastgtos is offline
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Here's my two cents.....crap, sorry it's only worth one cent. Carry on, Merry Christmas everyone

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