I've had lots of experience with turbos on that engine . Just as a scale to
think about, generally 5 pounds boost (turbo) will give a 30% power increase,
7 pounds gives approx 50% and 15 pounds 100%. This might actually work out to
be higher in some cases depending on the compression ratio and the camshaft.
The big thing is the torque, quite amazing how much torque is added, you'll
think you've got a V-8.
The supercharger will give less on a percentage basis due to the crank losses
from the belts and driving the supercharger, but then there is little added
heat to contend with under the hood and that is good. The supercharger should
make a very nice street driving car, instant boost and lots of torque. You'll
love it. Now if you can arrange an inter-cooler you'll make another move on
the percentage figures. But then the price will skyyyyyyyyyyyyyyyyyyy rocket.
Never Be beaten by Equipment
Kas Kastner
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