It sounds crazy but yeah I sold my 350ci complete except intake and carb for 350 dollars to swap in a 305(.040over).

Ill post my vid as soon as i get some drivers for my Camcorder.

Heres what it has.

305 bored .040 over roller block 1991 Camaro Z28
flat top pistons 4 valve relief from Competition products (only 100 dollars set)
file to fit Seal Power piston rings
Scat 4130 connecting rods ($234 set of 8)
Scat 9000 series cast crankshaft(like stock) ($199)
Ported and Polished 160cc(intakerunner) 305 heads casting number 14022601 52cc 1.94/1.50valves screw in studs/guieplates
Comp Cams Extreme Energy .520in/.540ex hyd roller($100 E-Bay)
Stock Hydraulic Roller lifters w/spider plate
Edelbrock RPMAir Gap intake(new)
750cfm dp Mighty Demon carb (bought for $250 new at swap meet)
Stock HEI Distributor vac adv.
Still runnin the T56
My avg et has been a 13.04 @ 103mph yeah it's slower than my 350 but hey
some friends of mine told me to run an MSD to lower down my ets.

For Info on how to build a 345hp 305 go to this link
www.hioutput.com/tech/343hp/343hp.html

Thanks,
Eric.....