Mazda3/Mazdaspeed3 Engine/Drivetrain Modification Discussions for the Mazda3 and MazdaSpeed3

DP installed..... Finally

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Old August-4th-2007 | 12:38 PM
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DP installed..... Finally

Just completed the install on my DP. Couple thing to note for those of you considering a TBE exhaust>

1.) Make sure that you have plenty of time.
2.) You may have to take the Turbo out as the bolt on the Manifold are very hard.
3.) The O2 senor will also be difficult to get out as well. Make sure the you soak it in something to loosen the threads
4.) Take out the intercooler and BPV it will just make it easier to work
5.) Disconnect the battery. Avoid that nasty CEL
6.) Follow the directions!!!! This cost me about 3 additional labor hours.

All that said its WORTH IT !!!

I will have it dyno'd in the next week should put down 280whp + 300/lbs
Old August-17th-2007 | 10:03 AM
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DYNO Results - Just adding the DP

Finally got to the dyno.... Here the results from the DP.... well the size of the PDF was too large to load by 341kb. But here's the numbers... The other size has a post with the graph.

Max hp: 284.95
max tq: 322.41

That was a gain of 21hp and 41tq from just the DP. It running lean now but just need some tuning.
Old August-17th-2007 | 11:46 AM
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careful with leaning....any detonation could be VERY bad, and say goodbye to any warranty repairs...get that tuning done quick !! using anything to control fuel ??
Old August-17th-2007 | 02:04 PM
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Originally Posted by macdaddyslomo
careful with leaning....any detonation could be VERY bad, and say goodbye to any warranty repairs...get that tuning done quick !! using anything to control fuel ??
Nothing yet. Waiting on Cobb. I may go CPE if it takes to much longer....
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