New motor for the Tantrum
 

Its finally done. Still needs paint. We dynoed it yesterday and made 693hp at 5500 rpm through 5700 rpm, 733 tq at 4500 rpm.

Its a 555ci gen. 4, bowtie tall deck roller motor. Merlin 320 iron heads w/ little work, 1050 dominator, 9.6-1 comp. ratio, 26* timing on 93 pump gas.

Maybe I will sqeeze in a sea trial befor it gets too cold...

http://www.youtube.com/watch?v=n27pZlc7BI8

I thought this was cool too, turn up your volume:evilb:
http://www.youtube.com/watch?v=Nxsxjc1SMpE

No blower? Nice numbers!

Awesome! If I may ask why so little timing? Did you check egts? Don't want to see any valves tulip.

No blower, all motor. We tried 29* but there was no increase, that is the pull in the video. Not sure on the egt, but the a/f was good. I will check my sheets for egt.

Sweet. Let us know what prop/speed #s you get if you have a chance to run it

Very nice Nick.
I cant wait to see how you mount those mufflers..

My guess is 83-84 since it has been 82 with that power before lol

Nice numbers Nick.

c'mon I was doin 77 with around 500 hp. The 600 Tantrums are doing 85. Did Rob ever have his motor dynoed?

haha, thanks John

and you too, John R.