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6 Μαρ 2024 · A quick test of eight pairs of small block Chevy heads priced at less than $1,000 to find the best small block Chevy heads on a budget.
In terms of “production” heads, the most affordable with the highest flow is the GEN IV L-92 aluminum head that offers a 3.160-inch intake valve and 320 cfm right out of the box. The reason for the huge flow numbers is partly due to the large cross-sectional area of the rectangle port intake.
The L31 heads from the late-model 350 Vortec engine, introduced early in 1995, is the other type of cylinder head you need to look for on the used market. This is probably the best cylinder head casting that Chevrolet has ever produced for a production small block Chevy.
21 Ιαν 2022 · LZ1 heads can be CNC-ported to improve on flow and milled for higher compression. LS3 lightweight, hollow stem intake valves can be cut to fit the seats, and better valve springs are a necessity for high RPM.
4 Μαρ 2024 · The Best SBC 350 Heads. A modern take on the vintage Camel Hump cylinder heads, these aluminum versions we offer have many improvements over the originals. When you get right down to it, an engine is essentially an air pump.
14 Ιουν 2016 · We test 11 different Chevrolet LS cylinder heads to see which one flows the most and produces the most hp and torque. Only at www.hotrod.com, the official website for Hot Rod Magazine.
29 Μαρ 2016 · A good stock head, such as GM's iron Vortec castings, will measure around 160cc, but can make more power. A well-designed aftermarket head will typically measure from 170-200cc and will be...
