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M54 Madness, the remix
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Amazing! That's one of the strongest NA three-liters I've ever seen. Probably 310 at the crank and a strong torque curve, too.
Your build needs to be cloned. Props!
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Man, that's friggin' amazing! I'll PM you to avoid cluttering up this thread.
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Metric Mechanic Rally cams, 11.5:1 comp on 94 octane, Bosch 413 DME tweaked with TunerPro by Zack from www.22rpd.com.
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^ Nice! What cams? Compression ratio? Standalone or stock ECU+tune?
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Originally posted by Jaker View PostThe new ones will have small tube stepped longer primaries. I originally went with the shorties because the car is an autocross car and I value area to the left of the dyno sheet over the right. Didn't stop me from getting 270whp and 240 ft/lbs of torque though.
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Originally posted by Jaker View PostThe new ones will have small tube stepped longer primaries. I originally went with the shorties because the car is an autocross car and I value area to the left of the dyno sheet over the right. Didn't stop me from getting 270whp and 240 ft/lbs of torque though.
Most shorty headers are shorter enough to be never in tune as you dont reach an rpm high enough or if they are intune it is at a higher harmonic and provides a weaker response to that of a header sized correclty, they are mostly just a high flow manifold that sometimes look pretty.
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Originally posted by TheAxiom View PostAs long as the primary tube sizes aren't too large, it should work. By why shorties over long tubes?
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Originally posted by digger View Postare there no longer tube options?
Originally posted by Jaker View PostI'm going from the Raceland shorties with a custom made merge into a single 3" exhaust on my 3.0 build to a custom made Burns collector header. We'll see how big of a difference it makes. I'm hoping for at least 10whp with a healthy boost in midrange torque.
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I'm going from the Raceland shorties with a custom made merge into a single 3" exhaust on my 3.0 build to a custom made Burns collector header. We'll see how big of a difference it makes. I'm hoping for at least 10whp with a healthy boost in midrange torque.
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Originally posted by hoveringuy View PostI think he meant the original exhaust was compromised in so many ways, and he's right.
The OBD2 headers aren't the best, but they're not bad, either. The car is much more fun to drive, at least. it's actually a blast and much more fun to wind-out than it ever was.
I'll take it back offline this week to do the cam timing and VANOS seals, plus alternator bearings and some other little things.
The exhaust upgrade path is TMS shorty headers or similar. Now that I have the stock headers lots of things will fit.
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Awesome build.
curious to see what this thing puts out once everything is sorted.
Sub'd
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I think he meant the original exhaust was compromised in so many ways, and he's right.
The OBD2 headers aren't the best, but they're not bad, either. The car is much more fun to drive, at least. it's actually a blast and much more fun to wind-out than it ever was.
I'll take it back offline this week to do the cam timing and VANOS seals, plus alternator bearings and some other little things.
The exhaust upgrade path is TMS shorty headers or similar. Now that I have the stock headers lots of things will fit.
Leave a comment:
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