521 dyno results

[camoman]

Did the same last winter but went 532 The heads are where all your power is at Who did the headwork & what flow #s did you get from them?

[GM Killer]

Congrats on the numbers...it will be enjoyable

[Squirtin Thunder]

Should just be able to run an A imp.
I would go with a A+ or AA (A2) MPD fully detailed impeller or whatever Jack recomends. With the torque that you are making you should be able to pull a big impeller to 5400.
BTW - Glad it is finally done !!!