Dyno Guesses & Bench Racing Forum - How much HP

Hey guys I am starting to mod, how much horsepower is expected, if everything goes perfect, from a lid, LT headers, ORY, cutout, and a good tune? I dont know exactly what a stock Ls1s factory Horsepower is but what do you think it would be after this?

50-70 horsepower depending if an auto or manual trans...

manual, so what do you think it would be after these upgrades? 3 something?

I have almost the same step as you, but mine is a 2001 so I have a different intake(ls6).
I dynoed 330rwhp and 350rwtq

You should be right around there.

Thanks!

What tune did u have?

I have a frost mail order tune.