WebPerformance CNC specializes in Precise Reverse Engineering of Racing Cylinder Head Ports and Chambers and the precise machining of Master Model Details using 5-Axis CNC … WebMar 6, 2014 · -193 heads (used on 350 TBI engines, found mostly in trucks) are just the "big brother" to the -187 heads. Still swirl-port, but with bigger 64cc chambers and 1.94" intake valves (stock). They're only a SLIGHT improvement. Feb 13, 2014 #6 CorkyE Veteran Member Lifetime Gold Member Nov 4, 2004 11,974 Ringgold, GA
89-94 Chevy Truck TBI "193" Stage IV Cylinder Heads Part 2
WebOct 21, 2012 · The 193 is the dreaded swirl port TBI heads. These heads work great for low RPM power and torque, but due to the restrictive swirl vane they run out of breath at 4000 … WebApr 13, 2015 · •The intake port is designed with a cast “ski jump” on the port roof which is there to increase port flow velocity. •Port flow was designed to be high in the .300-inch to .500-inch valve lift area to make power with relatively low-lift truck camshafts, whereas the old school Gen I heads liked higher-lift camshafts to make their power. iq mileage
Chevy #193 heads....Your thoughts.. Hot Rod Forum
WebAll flow numbers for FLO Headworks Ported heads come from their Web Site. Updated June '07 — and were converted from 10" to 28". All flow numbers for Flowtech - Steven Magnotti Ported heads come from them Contact updated Feb. '14. All flow numbers for For Hemis Only Ported heads come from their Web Site updated March '13. WebJul 28, 2024 · I'm going to 8mm a 2.08 LS valve and run that. Port is going to be under 200cc. That should bring you right about 300 cfm @ .6" lift. I can see the stock computer and 500 hp both being exceeded. Any word on the short block? Thanks, Charlie Servedio Cylinder Head Development 631-816-4911 9:00am - 9:00pm EST SpeierRacingHeads Vendor … WebMay 18, 2009 · These heads have the hole in the roof where the rocker stud comed down thru, and although it may look bad for air flow it doesn`t effect a thing. One tip if your gonna undertake all that grinding, the vain section right behind the guide can be left in place if ground back to match the ports bias. orchid center for adhd