Its got four-bolt main caps and its filled with a tough rotating assembly, featuring aluminum pistons delivering an 8.0:1 compression ratio. But the second greatest torque gain was the headers with an impressive 25.9 lb-ft. That just shows you how important the exhaust system is to engine performance. With the intake lobe adjusted, rotate the engine until the intake valve is past full lift and is halfway closed. The 350/290 Base (290 hp) features four-bolt mains and includes aluminum pistons and a camshaft. Chevrolet Performance ZZ572/620 Base Crate Engine-19331581 $ 20,888.89 $ 17,298.57 Select options Sale! GM ASEP technicians can earn their degree in as little as 2 years, kick-starting a fulfilling career in the automotive industry. Chevrolet Performance lists the original 290hp 350 crate engine as having an 8:1 compression ratio using dished, four-eyebrow pistons and 76cc combustion chambers. That's when the car will run the best in a quarter-mile contest. We measured the installed height and had to use 0.090-inch worth of shim for each beehive spring to create the proper installed height for both the intake and exhaust valves. General Motors limited 2 year / 50,000 mile parts & labor warranty. 8. Test 4: The only change was to add the COMP Cams Xtreme Energy 268 camshaft. Description: Massive torque in an affordable Big-Block is what you get with the 502 HO crate engine. The little stuff adds up quickly. The 350/290 HP uses an AC # PF 454 or PF1218 oil filter. Must be purchased from a participating U.S. dealer or Chevrolet Performance Authorized Reseller. 0000010087 00000 n Performance turn key 350 small block Chevy crate engines ready for an easy installation perfect for a self install in your classic car or truck. 0000008431 00000 n An affordable icon The 350/290 Base is an economy-minded alternative to rebuilding Gen 0-type 265-400-cubic-inch Small-Block engines. Running the final test, the springs didn't really improve the power all that much, but at least knew we had good control over the valves. 4.5 out of 5 stars 13. 0000015655 00000 n It is loaded with a four-bolt main bearing block, aluminum pistons, and a hydraulic camshaft. 350 290hp base crate engine 19421178 chevrolet performance In the second installment of The Great Crate Project, those stock heads will vaporize in favor of a set of Edelbrock Performer RPM aluminum heads and you can bet that the power will jump up as well. Making 400 hp might have been a challenge, but solid 390-plus horsepower would certainly be achievable. Here's our finished engine still with stock heads, a mild cam and headers and it makes 334 hp and 370 lb-ft of torque. Warranty valid when all required components are installed on the same vehicle and purchased on one invoice. **Price is Valid for Cash/Check Purchases Only**. Close this window to stay here or choose another country to see vehicles and services specific to your location. 1317 0 obj <> endobj
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