CLASS RACER FORUM - View Single Post - Damn...305 superstock engine receives 15 hp.....

BBF67 · 10-22-2020, 09:26 AM

Looks like the 15 horsepower increase to 255 is for replacement heads in S/S. The horsepower for OEM heads does not change.

10-22-2020, 09:26 AM	#22
BBF67 Junior Member Join Date: Dec 2001 Posts: 89 Likes: 0 Liked 8 Times in 4 Posts	Re: Damn...305 superstock engine receives 15 hp..... Looks like the 15 horsepower increase to 255 is for replacement heads in S/S. The horsepower for OEM heads does not change.