9.5 aluminator vs 11to1

[slagburn]

The arguement used to be when the compression was lower, the cyl was larger internally even though the displacement was the same. With more room from piston to head, that left more room for mass, even at the same boost level. More mass can mean more cyl presure, just never seen it work out that way myself. I'd love to see logs if that theory holds true. The maf at the same rpm would show a higher frequency. Ading ice to an intercooler shows the same results. A maf reading would really help. Octane linited would explain it, but Coonsake was already on race gas. Coon, how are your inlets at those levels? What kind of temp rise do you see do you know?

I've seen maf lb/min go up with more timing more than once on my Whippled car. Often enough, and repeatable enough that I can't explain it away as a glitch.
Splain that one Lucy

 

[97snakebite]

??? Im on my phone am I missing something

 

[CPRsm]

I've seen maf lb/min go up with more timing more than once on my Whippled car. Often enough, and repeatable enough that I can't explain it away as a glitch.
Splain that one Lucy

Lbs/min is only calculated. Advancing ignition leans a burn out that the O2's read. It doesn't ACTUALLY change the mixture burn say. Advancing shows a leaner burn even though the mass and fuel weight doesn't change. O2's read unburnt oxygen. O2's tell ecu leaner than target lambda, STFT's add fuel, calculated lbs/min rise because of it. Splained. Lol

i doubt they are making that much. they are tiny little engines. i believe the are 2 liter v6.

Iirc the old engines were 1.4l making just shy of 1500. But 50psi or so I think. I forget exactly. Numbers floating around in my head from a cosworth engine development documentary I watched. This numbers sound about right?

 

[90goldtsiawd]

This link states 650hp for Indy Cars.

Twin-turbocharged engines to level IndyCar playing field

F1 I believe are the ones who ran 1500hp setups.

 

[hopony]

This link states 650hp for Indy Cars.

Twin-turbocharged engines to level IndyCar playing field

F1 I believe are the ones who ran 1500hp setups.

Old school indy use to run 3.8 buick v6s with 45 lbs of boost. They used a loop hole in the rules with that motor to run more boost at indy. Stopped caring what they did after they split from cart and ruined open wheel racing in north america.

 

[Turbo900rr]

Lbs/min is only calculated. Advancing ignition leans a burn out that the O2's read. It doesn't ACTUALLY change the mixture burn say. Advancing shows a leaner burn even though the mass and fuel weight doesn't change. O2's read unburnt oxygen. O2's tell ecu leaner than target lambda, STFT's add fuel, calculated lbs/min rise because of it. Splained. Lol



Iirc the old engines were 1.4l making just shy of 1500. But 50psi or so I think. I forget exactly. Numbers floating around in my head from a cosworth engine development documentary I watched. This numbers sound about right?

I remember pretty much the same numbers. 1.5 liters, or 90ci, 55 lbs of boost burning methanol making 1500 hp for short bursts if needed.

 

[twistedneck]

This link states 650hp for Indy Cars.

Twin-turbocharged engines to level IndyCar playing field

F1 I believe are the ones who ran 1500hp setups.

interesting link , seems like they reduced the peak boost to 23.5psi - before it was 23 at indy and 26 on road courses that's why the Lotus popped its in house made pistons and had to bring in Mahle to make a better part that would survive.

the F1 v6 engines for 2014 1.6L with 50+ psi boost, 200bar cranking cylinder pressure, and 15,000 rpm are much more advanced than the indycar engines.. but I think our coyote is a lot like that indycar engine - normal pistons and rods. makes 9.5:1 compression seem low however if you want to use gasoline 93 octain 9.5 is mandatory. aint no way 10.5 or 11 is going to work on pump w a turbo.

 

[stretchb]

I do believe I will take my low compression motor to the track today on the "SAME TUNE" and run some new best today.

 

[Grabberblumaico]

Good luck with it today..

 

[stretchb]

Good luck with it today..

im gonna need it because my mouth has got me in a lil $ grudge race.

 

[04sleeper]

I do believe I will take my low compression motor to the track today on the "SAME TUNE" and run some new best today.

So you are on motor #3? :??:

 

[spdracr0]

How do the piston tops compare on the 11:1 vs the 9.5:1? I am sure we have all read the stuff with dish pistons making more power than flat top all else being equal. Maybe piston design is changing the flame travel??

Winner winner chicken dinner

 

[2012csgt]

I do believe I will take my low compression motor to the track today on the "SAME TUNE" and run some new best today.

I ran a new PB on my same tune. Alls I did was up the boost a little with a pulley change. SAME TUNE. Though

 

[stretchb]

So you are on motor #3? :??:

actually 4th. only hurt the one though.

the aluminator my be coming out for a block mod.

ps.... anytime u wanna meet in person and have your lunch money taken, let me know.

 

[stretchb]

so it will be getting a 5th motor.. just so u know 04sleeper.

 

[Doug1227]

Whatcha doin with the Aluminator? Using it for the build?

 

[stretchb]

right now its on a freight truck back to ford racing.

 

[OveRBoreD]

Stretch is the Aluminator going back to ford racing to never return or to have a new sportsman block assembled?

 

[poof100]

right now its on a freight truck back to ford racing.

You sure you didn't get the 11:1 Aluminator?? Did you check the actual gears within the oil pump, not just look at the oil pump housing?

 

[spdracr0]

U know ford is gonna never admit that was an 11:1 motor you had right???