Thinking about going another route. Might be looking to sell my current complete motor. 408 SBC 1st gen never fired up yet. list of parts on motor. Over $4,200 invested. Might have more parts this is a rough price and list off the top of my head. Thinking about asking
$3,700. Let me know

A similar motor in"How to Build a Big inch Mouse" using vortec cast iron heads and same 268 Comp Cam with only 9.5 comp made 428Hp @5,400 RPMS and 520 Ft Lbs @ 3,200 RPM's
2 bolt block
Moroso oil pump$75
Moroso 8 quart pan $ 165
Edelbrock RPM heads 6089's $975 with Mild port job $1200 invested
Edelbrock Victor Aluminum water pump $175
Aluminum Roller rockers 1.5 $ 175
Cloyes Hex-adjust timing chain $ 130
Speed Pro hyper piston w/ rings 10.1 comp $275
Holley 110 GPH Fuel pump $80
Edelbrock RPM intake $ 155
Eagle 6.0 rods $ 370
Eagle forged Internal balanced Crank $575
Comp push rods $145
Comp 268 xtreme with comp lifters $250
Complete ARP bolts $150
ARP main studs $25
Head gasket for nitrous $100
Centerforce 2 clutch and pressure plate $240
153 tooth flywheel
TCI rattler harmonic $330
Not to mention the machine work and labor .....
Can send pictures...
Text Cell #760-382-1164
Thanks Lenny