I got a dyno done without having a tune, that was at 269 to the wheels if that helps your guys guesses lol

 

And I believe the guy that installed them said the heads flow 133?

 

It did 269 without a tune and leaky exhaust I do believe

 

I think that means I win, craby, I'll take that drink in the lounge now

 

Ummm....think again my friend. My estimate was 267. Dang, 2 under. How did that happen, guess I'm slipping.
That makes you know who the winner!!! lmao

 

I figured he'd be +10whp with a tune

but as of right now, you are the winner!!

 

This thing isn't working right, it did 269 without a tune and a exhaust leak I do believe, heads flow 133

 

That was without a tune though lol, they are doing it tomorrow

 

the dyno is a humbler of many, figure in drivetrain loss and all and you're about where you need to be. 133 isn't a great flow number, nor is it tell the whole tale. Theres cam/intake changes etc that can all play a role in it

 

I guesstimated your flywheel h.p. at 315, up from the stock 275. 315 ain't all that shabby, for starters.
Then factored in a 15% drivetrain loss (could be more or less by a hair), to come up with the 267 at the wheels.
Don't forget, when you install power adders to the engine, the h.p. gains don't stack on top of each other.