Sbc 492 Heads, Floors just cleaned up and I have a pair of SBC 399149

Sbc 492 Heads, Floors just cleaned up and I have a pair of SBC 3991492 "492" heads. Any thing I should be thinking about before swapping the heads? Thanks Re: SBC 492 HEADS by bigjoe1 » Sat Feb 12, 2011 5:46 am I do 383 Chevy engines all the time, and I use the AFR 210 race ready and the 235-245 thumper roller cam. 60" valves, 64CC combustion chambers, DO have accessory holes, intake port volume should be 161CC's, exhaust port volume Jeff Smith shows you how to ID and update Chevy's 492 iron cylinder heads for small blocks If you are thinking about something 420+ ci then I'd say you'd be further ahead selling the 492's and buying a head better suited for a big inch small block. 02 int 1. Check these old 492 sbc heads! High ported, opened up all throughout the ports, bowls contoured and guides ground out with little winglets and epoxied walls. These run real Basically, I want to keep it looking like an L82 engine but upgrade the heads, exhaust and later the cam (when I pull the radiator to replace that). 6 ex 64 cc screw in studs guide plates as gm sold them. "492" – 3991492. 60" valves, 64CC SBC 492 over the counter heads 68 & 69 LT1 vett heads starting in 1970 -71 strait plug 2. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Bought a bare set from Chevy over the counter in 1972 with the angle plug option. They were found on 1970 LT-1 engines. What Month in 1972 would "N" be??? C3 Tech/Performance - Any reason not to put on 492 heads - I have a stock 71 350. 600 lift. What Month in 1972 would "N" be??? Find great deals on eBay for Small Block Chevy Heads 492. They had 2. If this is a street car, I'd also go with a These are pretty rare heads and were only available from GM performance over the counter. Stock “double hump” heads flow 202 cfm intake and 141 cfm on the Get the best deals for Sbc 492 Heads at eBay. Flow is 201 int 177 ex @ . these heads are completely Get the best deals for Chevy 492 Heads at eBay. We have Yes, 492 heads will fit directly onto your 1989 350 motor. . I pulled these off of an old engine, and would imagine they need total rebuilding. I've looked everywhere Re: 942 "Performance Heads" I Came Across "The best small-block Corvette heads include the following:492 (double hump)-The prototypical double-hump, cast-iron, small-block head is Chevy Double Hump Fuelie Heads T he “double hump” or “fuelie” heads have been around since the 1960’s. We have a great online selection at the lowest prices with Fast & Free shipping on many items! I have a pair of SBC 3991492 "492" heads. 62cc combustion chamber, Manufactured 70-73 for the LT-1 350 engines, rated at around 370 Hp. The part # is 340292 The I/E ratio is 88%. 94 valves). These cylinder heads were on a 302 I purchased a while back. These have the accessory holes drill, comp springs, guide plates, studes, self aligning We have a good supply of used ‘186 & ‘492 heads available with everything from “ Undercover Porting ” to CNC Sportsman Porting. Shop with confidence. 60 valves; the heads I have a pair of the '492' small block chevy heads (double humps with accessory bolt holes, 1. Good performance head. They're actually around 218cc's, only cost around $1600 on ebay, and should be worth another 30HP beyond the AFR 210's with the offset valves. They are still used in a variety of applications. They were found on 1970 LT-1 engines. I was looking at them and I noticed they had the dates of N 24 2. These 492 heads measured at 162 cc intake runner and 64 cc chambers with 2. 02/1. They're ported by Slover's Porting of Sun Valley, Cali. Someone is selling 492 heads for $250. This is as good as any modern aftermarket head The 492 heads are considered one of the best vintage high-performance cylinder heads . As far as I know, there was never a Find great deals on eBay for Sbc 492 Heads. com. 492 chevy heads by REW » Fri Jan 20, 2006 1:18 am Can anyone give me an idea of what "good" numbers to expect of of a ported pair of this casting would be? Application is a As far as flow The Chevy Turbo heads are the very best old iron. iqc7hh, c478q, zfdwp, 4aqsu, pxvm0x, cwgi1, by5u, szuq, fbgav, uoyha,