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396 Big Block Chevy Stroker Build - Stock-Appearing Stroker 396

Got A Resto Convertible? Try This . . .

You'd need a micrometer to discover that the valves aren't stock. The intake valve is the same diameter as stock-2.19 inches, but the exhaust is 1.81 inches, up from the stock spec of 1.725. Toki says a bigger intake valve wouldn't help-it would be shrouded even more in the combustion chamber. In a cool piece of trickery, he did use Manley stainless steel valves with thinner stems. Stock 396s are machined for 3/8-inch valve stems (as are most big-block Chevys). These valve stems measure 11/32 inch. "I really don't know that it will make a difference at all, but they intrude into the port less. It couldn't hurt," Toki says. In addition to fitting the guides to the thinner-stem valves and adding hardened exhaust seats, Toki cut the spring pockets for bigger-diameter valvesprings and machined the guides to fit positive-style valve seals. Except for some minor hand blending to the exhaust port, no porting was done to the heads.

PARTS LIST
DESCRIPTION PN SOURCE PRICE
Assembly lube ACXAC-9900 Ackerly & Childs $8.99
Piston rings 1/16 Ackerly & Childs 138.00
Cam bearings FH615F Competition Products 29.99
Core plugs P102 Competition Products 7.99
Distributor driveshaft 8151 Competition Products 11.99
Fuel pump drive CCA4616 Competition Products 13.99
Funky parts kit FKC-3 Competition Products 7.95
Gasket set RB-31170 Competition Products 39.99
Long steel rockers N/A Competition Products 80.00
Oil pump N77 Competition Products 36.99
Hydraulic roller 396275/284 Isky 335.95
Hydraulic lifters 3970HYRT Isky 645.95
Timing chain set 73142 Manley 94.50
Distributor D100700 PerTronix 275.09
Wires 808290 PerTronix 60.87
Bearings 829KDSS Pro Comp 69.95
4.155 piston N/A Ross 917.00
4.250-inch crankshaft QT425 RPM 260.00
I-beam rod CBC6385-I RPM 525.00
Champion spark plugs NY8 Westside Performance 31.60
Intake valves 11872-8 Manley 150.48
Exhaust valves 11381-8 Manley 150.40
7-degree valve locks 13084-16 Manley 51.20
Springs 22408-16 Manley 161.60
Retainers 23645-16 Manley 52.00
Spring cups 42126-16 Manley 67.20

SOURCES
Akerly and Childs
24907 Ave Tibbitts #A
Valencia
CA  91355
661-702-1999
www.akerlychilds.com
Isky Racing Cams
16020 S. Broadway
Gardena
CA  90248
323-770-0930
www.iskycams.com
Westside Performance
Los Angeles
CA
310-820-4718
www.westsideperformance.org
RPM
Cerritos
CA
800-981-0776
www.rpmmaxx.com
Manley Performance Products
1960 Swarthmore Avenue
Lakewood
NJ  08701
732-905-3366
www.manleyperformance.com
Competition Products
Oshkosh
WI
800-233-0199
www.competitionproducts.com
Ross Racing Pistons
625 S. Douglas Street
El Segundo
CA  90245
800-392-7677
www.rosspistons.com
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1 comments
PeteTinga
PeteTinga

I found this 396 Big Block Chevy Stroker Build article interesting as i have a 402 from a 70 Camaro i've been wondering what to do with. First off this article dos'nt go into detail about the piston fitment. Were the rod ends bushed to allow for the small block pin diameter? Are the pistons custom pieces with the pin moved up to allow for the longer rod? It seams to me a standard rod length would allow off the shelf pistons.Also i would never run a standerd volume (which moves less volume than a standard volume small block pump) Big Block oil pump in any hi performance engine. The hi volume big block pump volume sits nicly between that of the smallblock standard and hi volume units.

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