Originally Posted by
defcon13
well, after a deceptively easy breakin (i was used to go engine!) , yesterday i went out and got a nice tune to my clocked b5 and... damn! i tought that my GO 7pt was revving great ! were i used to have enough space to stretch the legs of my go 7pt, with neals b5 im running out of space

and i can definitely see that this engine breathes better that the stock engines i've had before. tuning is very straightforward. engine temps stay very on the cool side, even after multiple agressive passes on the street with a good tune, engine stayed between 195-200 and dropping as soon as i was idling.
and what an idle, over a minute to empty the tank without a hickup.
now if the rain could stop...

i need to race...now!

Just wait till it has 1 gallon and we reduce the deck height, then you will really see that engine sing ! She's just a baby right now !
Glad to hear its running good....let me know when you have about 1 gallon and I will gladly walk you thru what you need to do with the head...Right now your engine is set with extra head clearance to help aid the breakin process....However that extra clearance will reduce the power and RPM some... Another thing is that extra clearance will make it easier for the engine to make temp, when we reduce the clearance it is going to want to run cooler.......