bad tune? N/A miata MS-PNP - Page 2 - Miata Turbo Forum - Boost cars, acquire cats.

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Old 06-30-2009, 02:46 PM   #21
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Let me see if I'm understanding this:

The car has a built 1.6 bottom end and cams. The car is tuned with MS PNP. It makes 130 spanish horsepower. It was tuned, but there's no baseline or posttuning dyno sheets. Which leads to my question: what did you pay this tuner for?

Oh, and I wouldn't expect some hondatastic numbers out of the **** 1.6 motor. The head design blows.
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Old 06-30-2009, 04:57 PM   #22
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Originally Posted by ismael_pt View Post
Not really...

The fact is he paid a considerable amount of money to a local tuner for this file. The only thing he want to know is if these are the apropiate numbers for a N/A engine.

Personally I think he's running too rich.
It sounds like his real problem is he spent a considerable amount of money for someone who did not even use a dyno for tuning, failed to take a pull after tuning, applied correction numbers we can't see, and did not make the most use of the tools he had available.

Compared to our Joe Tenney map (which made around 127 rear wheel horsepower from a less aggressive combo), he appears to have extended the spark table up in the RPM range, added a bit more advance at low RPM, but didn't put anything in the spark table that made me want to scream, "What are you thinking?"

On Joe's car, power started to fall off pretty sharply above 6700 RPM. I'm not sure if the cam was the bottleneck, or if the stock intake, throttle body, and intake ports are what needs to be improved. But I'd want some serious breathing mods if looking for power at 9000 RPM.
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