Quote:
Originally Posted by Harey
I said in the first post this thread is not about whether Subaru/Toyota should have made the car with more power. As you said there are heaps of those threads already.
The thread is about the best way to modify the twin for more power and keep its wonderful handling. And if its possible
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This thread is about why "Toyota, Subaru and others say that more power would ruin the twins."
My comment still applies because it explains why your 'caveats', particularly the 2nd and 3rd are unrealistic from an OEM perspective. Also it perfectly illustrates why more power (at this price point) would ruin the car. It just won't be the same car. Additional power, especially for an OEM will add weight at this price point (370z), that is explained in my old quote. You want to keep it light, but add power and keep OEM reliability and engineering? Won't be a cheap car (Alfa 4C). You have unrealistic expectations without understanding all the variables involved for an OEM manufacturer.
Personally I think that if you want to maintain the lively character of the car and keep it nearly OEM reliable there are a few things to keep in mind: keep it light, keep it NA and don't add too much grip. Almost ala Porche RS treatment.
- ACE header + tune
- Take out about ~100lb, this is easy without compromising creature comforts (exhaust, lightweight battery, junk in the trunk)
- Keep the tirewidth 225 and under, compound without too much grip
- Don't stiffen up the suspension too much
What makes the Twins and Miata fun to drive is the car has low grip and moves around under you. It's lively, engaging and yet approachable. With my formula it will turn all of that to 11, a little faster, a little more engaging, a little more prone to oversteer...
And the car will be a rock solid DD.