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2.4L FP Black DBB (Twinscroll) S3 cams E85 31psi

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Old Jan 14, 2015, 01:29 AM
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2.4L FP Black DBB (Twinscroll) S3 cams E85 31psi

Its always a pleasure working on a setup that has zero bottlenecks. This car makes really good power per boost, and between me and the customer we decided to keep it where it is boost wise to keep the car reliable.

If pushed I feel this one can exceed 700 no problem.

Mods are:

2.4L
FP BB Black (Twinscroll housing / Mitsubishi OEM)
GSC S3 cams
Dual inline external walbro 255
FIC 2150cc inj
Ported em/im
Map o2 dump eliminator dp
Full catback 3"
milspec 65mm tb
upper and lcip
ETS IC
AMS fuel rail
4.11 FD
Tephra v7 speed density /w hybrid boost

Graph and video below:




Any questions feel free to ask.

Injector duty cycle on this one was a max of 83.8% @ roughly 12.2-12.5 AFR

This AFR is for drag style type events. When flashing the other rom it will drop about a full point richer for him for longer duration type style events.
Old Jan 14, 2015, 06:02 AM
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Good to see another 2.4. That TQ comes on fast and nice linear power curve. Bet that car is a blast to drive.
Old Jan 14, 2015, 02:35 PM
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Thanks for posting Tom. Car is a blast to drive and I have nothing but positive things to say about the whole remote tuning process and Tom's help the whole way through.
Old Jan 14, 2015, 02:39 PM
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Originally Posted by NSDQ
Good to see another 2.4. That TQ comes on fast and nice linear power curve. Bet that car is a blast to drive.
Power delivery is just insane, even 5th gear pulls hard
Old Jan 14, 2015, 06:22 PM
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Nice. Lot's more in that set-up for sure!
Old Jan 14, 2015, 06:27 PM
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Nice, great power curve. Is this straight pump or a Meth mix, E85?
Old Jan 14, 2015, 11:46 PM
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Originally Posted by krisdlm
Power delivery is just insane, even 5th gear pulls hard
Its say cams, but is that it? No work to the head? You're really making me rethink an aftermarket intake manifold. Must be fun!
Old Jan 15, 2015, 07:27 AM
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Originally Posted by dana daray
Its say cams, but is that it? No work to the head? You're really making me rethink an aftermarket intake manifold. Must be fun!
Save your money. The stock intake mani's on these cars are good for something like 600-700hp IIRC from some other threads. You can send your stock one in to Busher for a port job and that's about all you need. That's what I have. I also have stock head. Again, save your money on headwork unless you need a basic valve job for maintenance.
Old Jan 15, 2015, 07:30 AM
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Originally Posted by krisdlm
Power delivery is just insane, even 5th gear pulls hard
lol I bet. Mine drives like **** in 5th gear right now, I get surge. How did your inline-external fuel pump setup hold up? Were you close to maxing that out or did you still have plenty of pump? I ran out of pump on my 450 which is why I'm only at 27psi. Left about 100-150hp on the table thanks to not enough pump lol.
Old Jan 15, 2015, 08:03 AM
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Originally Posted by NSDQ
Save your money. The stock intake mani's on these cars are good for something like 600-700hp IIRC from some other threads. You can send your stock one in to Busher for a port job and that's about all you need. That's what I have. I also have stock head. Again, save your money on headwork unless you need a basic valve job for maintenance.
why save your money? Yes the stock intake manifold can support huge numbers, I've done it, but you'll make even more power probably at even lower boost on a Magnus.

if buying a Magnus didn't result in awesome gains, I'd agree, save money. but they make more power
Old Jan 15, 2015, 09:18 AM
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Using a ported OEM FPR and ported TB will net about 15-20WHP across the RPM range once in boost. An AMS VSR will net you 30-40 at the expense of lose of spool. No free lunch. On HUGE Turbos I have seen a VSR gain 70 but this was crazy boost on race gas.
Old Jan 15, 2015, 11:19 AM
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Originally Posted by high_psi
nice, great power curve. Is this straight pump or a meth mix, e85?
e85
Old Jan 15, 2015, 11:25 AM
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Originally Posted by dana daray
Its say cams, but is that it? No work to the head? You're really making me rethink an aftermarket intake manifold. Must be fun!
Nothing is done to the head, just good ol' S3s.

Originally Posted by NSDQ
Save your money. The stock intake mani's on these cars are good for something like 600-700hp IIRC from some other threads. You can send your stock one in to Busher for a port job and that's about all you need. That's what I have. I also have stock head. Again, save your money on headwork unless you need a basic valve job for maintenance.
I agree NSDQ, keep it simple, thats why I went with a Buschur ported ex/im
Old Jan 15, 2015, 11:39 AM
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Originally Posted by NSDQ
lol I bet. Mine drives like **** in 5th gear right now, I get surge. How did your inline-external fuel pump setup hold up? Were you close to maxing that out or did you still have plenty of pump? I ran out of pump on my 450 which is why I'm only at 27psi. Left about 100-150hp on the table thanks to not enough pump lol.
Least you have tons of potential once that's sorted out, car will be a beast.
I have to double check with Tom, but injector wise I was originally running the 1650s and those were maxed out quick, so the change over to the 2150s was best decision, and drivability is great
Old Jan 15, 2015, 11:55 AM
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Originally Posted by AreSTG
why save your money? Yes the stock intake manifold can support huge numbers, I've done it, but you'll make even more power probably at even lower boost on a Magnus.

if buying a Magnus didn't result in awesome gains, I'd agree, save money. but they make more power
Where would you say the Magnus helped most? Mid-upper rpm range? Guessing it was day/night difference than the ported im


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