BHP form an st4

[mazzamark]

I was just wondering what figures we should expect from an st4, mine managed 105bhp, cant remember what the torque figures were...

[ST4R]

I'd say a completely stock ST4 should see about 100 to 105HP at the rear wheel, and maybe 65 to 68 lb.ft of torque.
Look here for 916 curves.

Here's a 916cc engine with the complete DP kit, again maybe 105HP and under 70 lb. ft. of torque.

The ST4S model (996cc) gets you maybe another 5 or 6 HP in stock configuration.

All the HP numbers quoted are using the SAE correction factor. Different dynos and different correction factors give you different numbers.