Originally Posted by Greg T
Hold on thaaaaaaaarrrrrrrrrrr!!!!!! In the first few paragraphs you speak of increasing your mileage. The rest of the post is about making more power. You don't get something for nothing. Laws of physics will confirm this. So which is it? Do you want more power or better mileage?
Not to mention you claim 13.5 c.r. on the street, with iron heads...is that with pump gas? Then you figure pulling the 750 for an 850 will help take you in the mileage direction? Saying "with efficiency comes power" sounds good, but there are limits, a 600 horse SBC is far beyond that. The efficiency required to make big power comes at a cost, $$$ and lots of fuel.