Who is using an oil deflector under the intake?

Alternator cost me about 8 hp. Just the ignition was working the alternator. On a street ride, I’m sure a few more horse power would be lost since things like lights, stereo on 11, fan for the cabin comes to play.

But that’s not a big deal for a street car. A race car doesn’t have that. Just ignition. If you add an electric water, fuel pump, I’d bet there’s less than 5 hp loss combined.

I’ll take the tried and true long lasting rock solid performance of the MP viscous fan every time.
Electric fans have always let me down.

Always seen WAY more than 5 HP going electric water pump and fan. Seen between 9 and 13 on the time slip difference making the swap on at least 3 occasions i remember.
The 13 hundreds difference was just 4 years ago on my little 11 sec 318 enginemasters motor.
These were all cars i raced regularly enough to know what they ran.
Your results are different than what i have seen actually doing back to back tests from one outing to the next after the changes