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Old 08-29-2007, 12:02 PM   #1 (permalink)
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Default MSnS Dyno



My 3rd run was 244 ft/lb of torque, but the peak horsepower went down a little bit. Probably because it's a hot muggy day out and it was getting hotter.

Looks like we now know why a stock SOHC cylinder head sucks. Notice it doesn't breathe at the top end at all. I can't wait to throw the Magnum cam in and put it on rollers again.

Setup:
04 Neon SE
Completely stock 2.0 9.3:1 compression SOHC engine
S16g turbo on a log manifold
2.25" pipe out the back (no cat or muffler)
10.5psi or so
MSnS 1, V3 board, running Boost Junkie's NGC code on the stock crank wheel
42.5lb/hr fuel injectors @ 70psi base with an Aeromotive 1:1 FPR
e85 fuel

The little dips I blame on the MS. Might be a crank position sync issue.

I'll put up the datalogs later.
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Old 08-29-2007, 02:46 PM   #2 (permalink)
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that is a damn huge picture, but nice numbers congrats
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Old 08-29-2007, 06:05 PM   #3 (permalink)
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you know...you could always throw a DOHC 2.0L head or pre-2001 2.4L head on that thing as well as the magnum....the only issue might be the passenger side motor mount...but its a thought...nice numbers though
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Old 08-29-2007, 07:07 PM   #4 (permalink)
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Thanks guys. Notice the dips in the curve? That's from the MS forgetting to spark. Really slows me down quite a bit on a long run, but doesn't effect peak numbers.

As far as the head goes, I'm going to drop in a 2001 Magnum cam and see how it effects it. I'm waiting to get some forged internals so I can just do it all at once.
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Old 08-30-2007, 04:21 AM   #5 (permalink)
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Would definately like to see logs. That's a real big dip. I should be able to see something....
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