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Discussion Starter #1
I just thought I would share my results from my 598 A460 nitrous build. At 9am on the day of the dyno, it was in the upper 70's with 93% humidity and by mid morning it was in the mid to upper 80's with around 80+% humidity. We also ran this motor (which I didn't agree with) on VP NO2 as this is the fuel the motor would see when on the bottle. So needless to say the power numbers are down a little bit due to this, and more timing was used than would have been necessary with better air and different fuel.

How much power do you think this setup should make? I will post the dyno sheets once my scanner starts working again.

Engine Specs
IDT Ultra Block
Scat 4.5 crank
Scat 6.8 rods
Racetec Gas Port Pistons 4.600"
12:1 Compression
WW Shaft Rockers
Nitrous Cam
TFS A460 - New with some chamber and intake port work (gasket match)
TFS Cast Intake - only port matched to the heads
Ouick Fuel 1250
1" Open Spacer
Crank Trigger, MSD Dist
Moroso 4 Vane Vaccum pump
Oil: Brad Penn 20w50
Fuel: VP NO2
 

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even with nos thats not the fuel for that combo for max hp
 

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Discussion Starter #6
even with nos thats not the fuel for that combo for max hp
Well, it is going to see a pretty healthy dose of nitrous. I am not sure if VP NO2 will be a better fuel than C16, which I have always used, but I figured I would try it. I wanted to dyno it on C12 or something similar, since the NO2 fuel was going to be overkill and not give me a realistic base number.

I honestly wouldn't use Q16 in anything, it's just not worth it in my opinion. Might as well run alcohol if your thinking of running Q16.
 

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Discussion Starter #11
Thats what I figured. Thank you for posting the specs. I don't know what the I/E ratio is so I don't know if the duration split is right or not.
.100 - 88 / 68
.200 - 178 / 136
.300 - 266 / 189
.400 - 339 / 230
.500 - 392 / 275
.600 - 433 / 304
.700 - 449 / 322
.800 - 449 / 331
.900 - 455 / 342
 

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Q16 IS A GREAT FUEL . WE RUN IT A LOT,WITH NOS,AND NA


I SEE WHAT YOU MEAN ABOUT NOT BEING HAPPY, THAT'S A LOW NUM FOR THAT ENGINE
 

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Discussion Starter #16
Q16 IS A GREAT FUEL . WE RUN IT A LOT,WITH NOS,AND NA


I SEE WHAT YOU MEAN ABOUT NOT BEING HAPPY, THAT'S A LOW NUM FOR THAT ENGINE
Rich, I'm not saying Q16 isn't a good fuel and doesn't make more power than C16, NO2...etc but I would rather not use it, just personal preference...

What kind of power do you think this motor should have made?
 

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Rich, I'm not saying Q16 isn't a good fuel and doesn't make more power than C16, NO2...etc but I would rather not use it, just personal preference...







I KNOW YOUR NOT,BESIDES Q16 IS HARD TO WORK WITH IF A PERSON NEVER HAS,THERES A LEARNING CURVE.
 

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Discussion Starter #20
Both kits have baby jets in them right now, .022N and .024N but will both be in the .030's by next season. This year is almost over and I still have work to do to get the car out, so I won't be able to take too many babysteps with the tuneup this year.
 
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