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Is MP215 the way to go?

22725 Views 80 Replies 20 Participants Last post by  XR650R
Just got my new ST (only driven 1000km) and is thinking of getting a tune for it. I wanna keep the warranty on it, so it must be Mp215 that is the way to go? I also want as much torque at high rpm as possible as a NA engine without loosing too much midrange torque - which tune is best for that?

Thanks in advance.
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My FIST just arrived yesterday and I am picking up today. I already have the MP 215 kit in my garage waiting to get installed by the dealer. I am actually happy that the torque limiting is still present with the MP 215 as spinning the wheels in the lower gears seems pointless and would affect low speed handling
Shouldn't be an issue while you're breaking it in. Be nice to it! lol
I had an '84 Colt turbo that also fried the tranny. I didn't even beat on it (though I'm told an ex-friend of mine did). The stock tranny just wasn't up to the extra torque of the turbo.

The stock car made around 70 hp/tq, The turbo made around 103/115. That was enough to break that tiny 2-range tranny.
Best tune for strong torque at the top end ?
Randy's custom tunes for your specific car. 91 or 93? E gas? Intercooler? Downpipe? It all matters.
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Our test car put down about 203 WHP / 247 WTQ on our Dynojet with the MP215 and 91 octane.
That was on 93.

And just shy of 250 ft-lbs torque?
I never put it on a dyno, but the torque starts earlier, and stays way stronger through the midrange. I think this is what you an expect on a good day with 93 octane. It scoots.

Definitely more top end, too.
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