bit more info and pics
rebuilt about 3k miles ago
340cuin, 4,04 bore,3.3 inch stroke, de seamed race block, radius caps and casting edges added for strength, 360 t/a long port heads, 2.02-inch inlet valves, Duplex roller timing chain with forged iron sprockets, chrome-moly tube push rods with high carbon tips, Rhodes HP variable duration road/race lifters, titanium valves/collars and 10 degree retainers, 1.5HP blue chip reduction starter, forged steel 340 race balanced crank Chrysler high flow/volume oil pump, forged pistons, Chrysler fuel cam duration 288/298 lift. Edelbrock Torker race modified inlet manifold with Holley 780vs machined and flowed horn body, with Edelbrock air filter. Chrysler Pro stock 340/360 headers onto 3 inch pipes with 426 Hemi mufflers.
http://www.flickr.com/photos/pontiac1970firebird/sets/72157630478198600/