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Fenix NA vs 5.0 *** Testing open/closed cutout. Day time racing!

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Old 01-21-2015, 12:03 AM
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Default Fenix NA vs 5.0 *** Testing open/closed cutout. Day time racing!

My buddy's 5.0: Boss Mani, Full Exhst, JLT CAI, 373 gears, Tune.

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Fenix NA 425 HP

Testing out the Fenix performance with closed vs open cutout.


Old 01-21-2015, 05:14 AM
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Seems to make a noticeable difference except that last run looked similar to the closed cut out runs
Old 01-21-2015, 07:07 AM
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Originally Posted by HCI2000SS
Seems to make a noticeable difference except that last run looked similar to the closed cut out runs
That was after back to back runs... Seems to lose a bit of performance. It did that too on closed cutout. 2-3 runs max to keep the car happy.
Old 01-21-2015, 07:22 AM
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Originally Posted by LASTOFTHEBREED02T/A
My buddy's 5.0: Boss Mani, Full Exhst, JLT CAI, 373 gears, Tune.

Vs

Fenix NA 425 HP

Testing out the Fenix performance with closed vs open cutout.


Fenix of 3rd Honk testing out his NA set up VS. Team Domestic's Coyote! 60 Rolls! - YouTube
you are a 370 inch motor. not 425hp. more like 475. why keep saying 425?
Old 01-21-2015, 07:25 AM
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Im surprised it made that big of a difference! What's you exhaust setup consist of?
Old 01-21-2015, 07:51 AM
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Originally Posted by assasinator
you are a 370 inch motor. not 425hp. more like 475. why keep saying 425?
Because that is what it made on the Dyno genius! 4l80e and stall yield at that. So that's what it made.
Old 01-21-2015, 08:56 AM
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Originally Posted by assasinator
you are a 370 inch motor. not 425hp. more like 475. why keep saying 425?
I have a 347 motor, what should my hp be?
Old 01-21-2015, 09:41 AM
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Originally Posted by assasinator
you are a 370 inch motor. not 425hp. more like 475. why keep saying 425?
a stalled 4l80 tends to dyno much lower then 6 spd cars.
Old 01-21-2015, 10:00 AM
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Also, his car is set up for N2O. The car would probably make a bit more if it was tuned for NA w/o any power adder.
Old 01-21-2015, 10:13 AM
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Originally Posted by SCott5
I have a 347 motor, what should my hp be?
According to popular belief, around 500...
Old 01-21-2015, 10:33 AM
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Odd my cam only car dynoed 420 on a mustang dyno with a 4400 yank stall
Old 01-21-2015, 10:55 AM
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Dynos do vary....
Old 01-21-2015, 11:09 AM
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Originally Posted by sw07gt
Dynos do vary....
Right. How is this not common knowledge yet?
Old 01-21-2015, 11:14 AM
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Where are your cutouts or cutout. Sound snice.
Andy(FenixFan)
Old 01-21-2015, 11:24 AM
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Fenix is just sandbagging as always. Secret mods bullshit hp. Then when he beats a 2000hp car he can talk even more ****.
Old 01-21-2015, 11:29 AM
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Originally Posted by 2003Cobro
Fenix is just sandbagging as always. Secret mods bullshit hp. Then when he beats a 2000hp car he can talk even more ****.
Why does that bother you so much? Have you never heard of a grudge car?
Old 01-21-2015, 11:36 AM
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Do you have a single cut-out or dual cut outs LOTB?

It sounds like a single...jus trying to clarify.

Any times on the 5br0?
Old 01-21-2015, 12:55 PM
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Originally Posted by HCI2000SS
Im surprised it made that big of a difference! What's you exhaust setup consist of?
Originally Posted by HioSSilver
Do you have a single cut-out or dual cut outs LOTB?

It sounds like a single...jus trying to clarify.

Any times on the 5br0?


My exhaust is a 1 7/8 primary Kooks LT headers and 3" Kooks Y Pipe. It dumps pre axle and it is a single cutout before the bullet, obviously.

No times on the 5.0, he doesn't beat on it much, just has it ready with go fast parts. Its easily a mid to low 11's car on some tire, if not better.
Old 01-21-2015, 01:00 PM
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Originally Posted by 2003Cobro
Fenix is just sandbagging as always. Secret mods bullshit hp. Then when he beats a 2000hp car he can talk even more ****.
I would post the dyno sheet, but you're not worth my troubles. Even pat g was surprised how low the dyno showed, don't understand why... its just that way but it performs much better than the actual numbers.

My car sucks NA also BTW, not what its built for...
Old 01-21-2015, 01:00 PM
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Is your terminology of "Open Cutouts" synonymous with "Nitrous Activated"? LOL

jk..

Just seemed like there was a huge difference between the two. I know cutouts help out but I would not think by that much. Actually, I thought open cutouts actually drop torque in most cases but I could be wrong.


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