
Or maybe not!
I know it's not a BBC in a Chevelle but it is a big block going in a '62 Impala SS Conv. My goal was TOTALLY STOCK APPEARING and 500 lb/ft. Here's what I did:
1962 068 QB Block (stock 2-bolt mains w/ ARP bolts)
.040 10.5 to 1 ROSS Pistons
6.385 BBC Rods
4" Eagle Stroker Crank (475 c.i.)
ATI SBC Super Street Damper
'62 690 Hi-Po Heads (no porting, aftermarket guideplates, BBC screw-in studs)
ISKY HR-546 Hydraulic Roller (238 @ .050, .578, 110LC, installed 106.5)
ISKY Lifters
COMP BBC Ultra-Pro Magnum 1.7 Rollers
Stock 881 Dual Quad Intake (port matched)
Stock 625cfm Carter Carbs (Fully restored by Eric @ Vintage MuscleCar Parts :hurray: )
Stock Dist. w/ Pertronix 1
Stock hi-po 2 1/2 inch Exhaust Manifolds
Best pull on a DTS Dyno was 484 HP and 510 lb/ft of Torque. Dyno sheets and random pics attached and here is a link to a video of that run:
http://www.calwaterfowl.org/web2/images/475stroker.m4v
Many, many thanks and beers owed to Jack Gibbs at 409 Chevy Performance and Tony Borello Race Engines. :beers: