WebSep 24, 2010 · Not all "Bow Tie" heads are the same. There are Phase 1 and 2 c/n 14011034 (Phase 2's have no heat X-over), and Phase 3 c/n 12480034 for example. … WebMar 13, 2003 · The best Cast Iron, non-vortec head from Gm would be the 034 Bowtie phase 2 heads. This is really a head no one outside of circle track racing ever thinks about. The intakes are about 185cc, they're machined for 2.02's and 1.60's, Screw in studs, big springs and "strong as bull". Plus they use "old style" intakes.
The Complete Cylinder Head Guide for Chevy Small Block Engines
WebTalk about awesome torque and horsepower all in one cylinder head. The 180cc Vortec Bow-Tie is the best “under 200cc intake runner head” on the market. It is excellent for … WebMay 9, 2005 · Price: $655. Average dollar per torque: $1.64. Average dollar per HP: $2.23. The first test called for a baseline run using the OE Vortec heads. While the factory GM versions can only handle 0.420 ... calories in one cup of vegetables
Engine Parts: Big Block Bowtie Sportsman Blocks Performance - Chevrolet
WebDec 5, 2005 · Up top, GM Phase I Bow Tie iron cylinder heads. In '86 the heads were sent to Engine Prototype Development (EPD) for a competition valve job, pocket porting, … WebJan 23, 2024 · Intake was 263 cfm, exhaust was 190 cfm with pipe. This was at .500 lift with 2.02/1.60, right at 72%. These heads made 540hp on a 327 or 350-360 cubic inch. You will also notice the large step on the floor, mismatch for reversion helped out, I used 1.625 and 1.750 primaries. Jan 18, 2024. WebMar 26, 2009 · The Phase 2 Bow Tie head has a revised combustion chamber design with a true volume of 64cc's. The quench areas beneath the spark plugs are filled to increase … calories in one cup potato salad with eggs