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unique tuning?

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robvas

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Steeda made 487 on e85 with all the boltons plus ported heads (how much do those help? Probably not much with stock cams etc)

You're 50 above that.

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robvas

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How? They can't lower friction, they don't create torque, how can they add power at steady state running?
Nobody said they add power. They free up power. Which the dyno sees as more power.

More power to move the car instead of spinning around parts. Not sure why this is so hard to understand.
 

DarkHorseTT

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Steeda made 487 on e85 with all the boltons plus ported heads (how much do those help? Probably not much with stock cams etc)

You're 50 above that.

old info, my friend :) they made 526 on GT on c85

but we have DH :)
 

robvas

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old info, my friend :) they made 526 on GT on c85

but we have DH :)
It's tuned so they both make the same amount of power according to the tuners....same engine except better rods/pistons (which don't matter at NA levels)
 


DarkHorseTT

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It's tuned so they both make the same amount of power according to the tuners....same engine except better rods/pistons (which don't matter at NA levels)
we have different camshafts
regarding “secret part”, please.. remember Panda Kung-Fu secret ingredient soup…😁
 

robvas

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Here's another way way of looking at your numbers

You said you did a 7.9 100-120 (62-124mph for the rest of us)

That means you'd do about a 9 second 60-130 which is about right for a full bolton Mustang on e85

A stock DH thats running really well will go 10.1 or so

You're only up about 5 in the 1/4 from a stock car. If you had another 130hp you would be running a faster 100-200. Like a 6.7 (or 7.7 60-130)
 

DarkHorseTT

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They added 'secret parts' which they didn't say what they are

Do you have the secret parts?
About what parts are You talking?)

power in atmo = fuel and air. Fuel is enough, air - we use N/A their CAI = we have +/- same power except camshafts gain
 

DarkHorseTT

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Here's another way way of looking at your numbers

You said you did a 7.9 100-120 (62-124mph for the rest of us)

That means you'd do about a 9 second 60-130 which is about right for a full bolton Mustang on e85

A stock DH thats running really well will go 10.1 or so

You're only up about 5-6mph in the 1/4 from a stock car. If you had another 130hp you would be running a faster 100-200. Like a 6.7 (or 7.7 60-130)
Weight! 4200lbs!
 

DarkHorseTT

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Last time I checked that's what a dark horse + driver weighs

Look, all I'm saying is your dyno numbers are off. The dragy numbers prove that.
My mistake

4000lbs DH 10r80
60 lbs fuel
130 lbs noise reduction
200 lbs me 😎

total 4400 lbs

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LouG

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I agree too with @robvas

if rotating mass doesn’t mean anything, that way we have to do on 500 crank HP car 500 whp on dyno….

But we see only 405… it means crank has to rotate transmission, driveshaft, gears, axles, brake wheels, wheels, tyers …

IMG_5109.webp
You are mistaking rotational inertia for friction. Friction is also known as drivetrain losses, all the bearing friction, oil drag, I suppose even the wind resistance of the clutch or torque converter spinning absorbs power. Even the rolling resistance of tyres on the rollers, or road, absorb power.
It also explains why AWD vehicles have more drivetrain losses than 2WD, it can't be just 2 extra driveshafts spinning that causes the extra losses.
Take away friction of all types and an object will keep spinning without further input once it is brought up to speed.
I'm not a physicist, otherwise I would give you the formula.
 

ChitownStang

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I agree too with @robvas

if rotating mass doesn’t mean anything, that way we have to do on 500 crank HP car 500 whp on dyno….

But we see only 405… it means crank has to rotate transmission, driveshaft, gears, axles, brake wheels, wheels, tyers …

IMG_5109.webp
Did they throw a manual Mach 1 in there?? never seen this chart
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