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350 Engine - Packaged Performance

One of the keys to the success of the little V-8 is its versatility

By Richard Holdener, Photography by The Author

Test 1: Baseline—Stock 350 Chevy

Baseline 350 Engine Specs

  • Short-block 350 Chevy flat-top pistons
  • Heads: stock 882 iron 1.94/1.5 valves
  • Cam: Stock hyd. flat-tappet {factory 180hp}
  • Rockers: Stock
  • Intake: Factory iron Q-Jet
  • Carb: Factory Q-Jet
  • Exhaust: 1-5/8-inch headers

Test 2: Stock vs. Ported Heads, RV Cam, and RPM Air Gap

Test 3: Stock vs. Procomp Electronics Aluminum Heads, Comp Cam, and RPM Air Gap

Upgrade 2, 350 Engine Specs

  • Short-block 350 Chevy flat-top pistons
  • Heads: Procomp aluminum 190cc heads {as cast} 2.02/1.6 valves
  • Cam: Comp XE268H {0.477/0.480 lift, 224/230 duration, 110 LSA
  • Rockers: Comp Roller 1.5
  • Intake: Edelbrock Performer RPM Air Gap
  • Carb: Holley 650
  • Exhaust: 1-5/8-inch headers

Test 4: Stock vs. Airflow Research 195 Eliminator Heads, Comp Hyd. Roller Cam, and AFR Titan Intake

Upgrade 3, 350 Engine Specs

  • Short-block 350 Chevy flat-top pistons
  • Heads: AFR 195 Eliminator heads {Comp version} 2.08/1.6 valves
  • Cam: Comp XR300HR {0.562/0.580 lift, 248/254 duration, 110 LSA
  • Rockers: Comp Roller 1.5
  • Intake: AFR Titan Composite Single-Plane
  • Carb: Holley 950 HP
  • Exhaust: 1-3/4-inch headers

SOURCES
Air Flow Research
28611 W. Industry Drive
Valencia
CA  91355
661-257-8124
www.airflowresearch.com
Edelbrock (Carbs)
800-416-8628
http://www.edelbrock.com
Holley/Hooker
1801 Russellville Road
Bowling Green
KY  42101
270-782-2900
www.holley.com
L&R Automotive
13731 Bora Drive
Sante Fe Springs
CA  90670
562-802-0443
www.lnrengine.com
Procomp Electronics
605 S. Milliken Avenue
Unit A
Ontario
CA  91761
909-605-1123
www.procompelectronics.com
Probe Racing
2555 West 237th Street
Torrance
CA  90505
310-784-2977
www.probeindustries.com
Comp Cams/Fast
3406 Democrat Road
Memphis
TN  38118
800-999-0853
www.compcams.com
By Richard Holdener
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