Originally Posted by ashbros

Heres a link for brodix bb-2 plus

http://www.brodix.com/heads/bb2.html

Here some info I have copied and pasted for ya.

bbchevy you might be on to something their recommendation for engine size does not exceed 509 cid

Says they are CNC ported The BRODIX porting design was incorporated into a 100% CNC ported masterpiece that can be mass produced. The CNC ported BB-2 Plus castings are CNC ported to a mirror finish and flow within 1% of each other.

Cubic Inch Compression Camshaft RPM

BB-2 PLUS 427 - 509 11.5 Minimum Flat Tappet/Roller 4000-7200

Also states they flow 344 at 0.700 lift

Onebad, no cracky cracky today, lol. I spoke out of context. Using fuel with roots application would generate too much heat causing bad fuel atomization and a loss of power, unlike alcohol and nitro.

As a general rule of thumb, Alcohol is recommended for use between 12.5:1 to 16.5:1 in N/A motors. The key phrase there is "N/A motors"