570 rwhp @ 25psi e85
07-14-13, 04:24 PM
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570 rwhp @ 25psi e85
hey guys,
just made 570 hp on 25psi
s366
e85
aem series two
and all supporting mods
want to know where i should stop boost wise
Also whats the best trans i could with besides the t56 that will hold up and not WHINE like crazy.
T56 seems like to much work with the whole auto rear iron thing.
just made 570 hp on 25psi
s366
e85
aem series two
and all supporting mods
want to know where i should stop boost wise
Also whats the best trans i could with besides the t56 that will hold up and not WHINE like crazy.
T56 seems like to much work with the whole auto rear iron thing.
07-15-13, 10:01 PM
#4
I dyno my car same turbo and @ 28 psi on C16 it did 592hp/480 lbs tq, we try going to 30 psi but only gain 3 hp more, probably if I had a bigger hot side that would of helped. We did 3 runs and they were between 1 hp.
Now running E85, so have to retune.
What injector setup, pump and what base fuel pressure?
On the tranny, I don't think there isn't any other options than T56, at least for the money.
Now running E85, so have to retune.
What injector setup, pump and what base fuel pressure?
On the tranny, I don't think there isn't any other options than T56, at least for the money.
07-16-13, 06:48 AM
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I dyno my car same turbo and @ 28 psi on C16 it did 592hp/480 lbs tq, we try going to 30 psi but only gain 3 hp more, probably if I had a bigger hot side that would of helped. We did 3 runs and they were between 1 hp.
Now running E85, so have to retune.
What injector setup, pump and what base fuel pressure?
On the tranny, I don't think there isn't any other options than T56, at least for the money.
Now running E85, so have to retune.
What injector setup, pump and what base fuel pressure?
On the tranny, I don't think there isn't any other options than T56, at least for the money.
you think its safe to be above 25psi?
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07-16-13, 02:46 PM
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that agrees with my experience on the 0.91 a/r for the S300SX 9180 aka S366... If you were monitoring exhaust manifold backpressure (EMAP) pre-turbo then you might see a corresponding spike in emap. like you said a bigger hot side will change that choke point, but with a slightly later spoolnot if the motor, turbo, tune and fuel are up to par
07-17-13, 06:42 AM
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assuming you have an "off-the-shelf" S366 with 0.91 a/r you can run 27-28psi boost max, until you are backpressure limited. To run more boost safely you will need to upgrade to the 1.00 or 1.10 a/r housing. (these housings are only available through the aftermarket, not off-the-shelf BW)
that agrees with my experience on the 0.91 a/r for the S300SX 9180 aka S366... If you were monitoring exhaust manifold backpressure (EMAP) pre-turbo then you might see a corresponding spike in emap. like you said a bigger hot side will change that choke point, but with a slightly later spool
not if the motor, turbo, tune and fuel are up to par
that agrees with my experience on the 0.91 a/r for the S300SX 9180 aka S366... If you were monitoring exhaust manifold backpressure (EMAP) pre-turbo then you might see a corresponding spike in emap. like you said a bigger hot side will change that choke point, but with a slightly later spoolnot if the motor, turbo, tune and fuel are up to par
07-17-13, 10:06 AM
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hey arthur - that 4" exh will flow plenty, but if the turbine housing AR is your "bottleneck" then it doesnt matter how big the exhaust is. Usually I prefer the 3.5" because it makes the same power as 4" but quieter, lighter weight and better sounding (imo) but i have a 4" on my race car right now so go figure
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