will vortec heads fit an older 350
From Crankshaft Coalition Wiki. Yes vortec 350 heads will fit any 327, 350, 305, 400 gen 1 small block chevy from 1962 to 2002 (will not fit the LT/LS style engines in the 90's and up) There is NO diff in the block where the heads bolts to on the old or new engines. Is anyone running Vortec heads on their older 350, and are you running flat top pistons? 16 0. Piston to Valve clearance If so, they will not fit without enough modifications that makes the swap not cost effective. Hello guys sorry for the posts but what are the differences between the one piece seal and two piece seal 350 blocks? Wendell T. Brown of Kansas City, Missouri, asks us if late 350 Chevy TBI heads will work on a carbureted 1970s short-block. the 350 crate engine you bought if for a 96-98 chev meaning it has vortec heads. Are we talking about LT1 heads off a fuel injected car from around roughly 92-97? First and most important: LS-series Vortec heads will NOT fit on a classic SBC-style engine. LT1 heads on older 350 Discussion in 'Camaro Questions' started by Fonty493, Jul 14, 2005. A Guide to Vortec vs OE Small Block Chevy Heads ... so they outflow the older heads. Jump to: navigation, search. ChadGresham: Engine: 12: 03-19-2012 07:37 AM: Will a intake off vortec heads fit non-vortec heads: nobody_1250: Engine: 13: 12-27-2010 06:02 AM: Can the newer Vortec pistons and rods be used in an older block? Is anyone running Vortec heads on their older 350, and are you running flat top pistons? Can 1996 350 Vortec heads fit on an older('88 & up) 350??? Twistedwrench: Engine: 4: 02-13-2008 08:38 PM: Vortec for older 350? Vortec heads on sbc 350 questions ... but the headers i have now will fit fine with the vortec heads. The LT1 heads that do fit Gen 1 are from the late ... You would be better off with a pair of Vortec heads. Vortec L31 cylinder head. Asked by LOGAN on October 24, 2017. I have a 350 small block in my 1986 monte carlo ss. The LT1 does not allow water to pass from the heads through the intake as older styles do. At 79k and at 9 yo, I had the cracked head problem with coolant in the engine. My problem is that the flowtech headers that i bought do not fit the 350 correctly because of the small port vortec bowtie heads. Page1 - Discuss Truckin, Engine, and Tech & Maintenance topics in the Truckin Forums at Truck Trend Magazine. But not sure if you can put the heads & intake on an old block. Features include fast burn combustion chambers, and a Vortec heads needs a vortec style intake. LT1 Heads on an older 350. Find Chevrolet Performance Vortec Cylinder Heads 12558060 and get Free Shipping on Orders Over $99 at Summit Racing! ... An intake for Vortec heads Vortec L31 cylinder head. The L31 Vortec used two castings 12558062 which you have uses induction hardened exhaust Works well. The issue is the intake manifold. This manifold combined with vortec style heads really wakes up a 1988 to 1995 350. I've been trying to research a cheaper faster method but I have not been successful. If I took the crate 454 HO and put Vortec heads on it, ... Just like they kept the same small block used in the 350 for the 6/5.3/4.8 etc. Second, the heads were specifically designed to improve low- and mid-rpm operation. Reverse flow water pump? Hello, I'm looking to upgrade the heads on my 350 SBC (mid 70's) to a Vortec design (part: 12558060). what Gen-I-style Vortec cylinder heads are a popular "upgrade" for older SBC engines, however there are a few caveats to keep in mind. These cast iron Vortec cylinder heads will fit 1958 and later small block Chevy engines, and offer a 20 to 40 HP increase over earlier cast iron small block heads. Yes. heads from a 1990 350 TBI, will these heads fit on a older non-TBI block? Fonty493 New Member. They not only out flow but also out burn the older heads. First and most important: LS-series Vortec heads will NOT fit on a classic SBC-style engine. Air-flow in the Vortec heads begin to decrease between .500 and .550 valve lift. Since the vortec heads are better than the ones used on the TBI engine there is nobody that I can find that builds vortec MPFI intakes that will bolt up to the older style heads. Cracked block, Assembly using TBI block with Chevy 350 Vortec crank, pistons, and retro fit cam + timing set -and if they will, will the old carb intake fit still? ... Im sory but you are wrong, the aluminum LT1 heads are much better than any non vortec 1G heads, period. the reason it won't fit is you got the wrong engine. ... To run the Vortec heads you'll need a set of special screw in studs made by ARP and a eight bolt ... older heads on newer 350 I know the difference in the The diff is the heads. Probably could be done, but it sounds like more trouble than it is worth. This would be the fastest repair for sure. I know I'll have to buy a new intake manifold, 2004 Silverado xCab 5.3l Vortec. ... What is the Chevy 350 PROMAXX Performance goes one up My understaning Scot Scot 86 Monte SS ... then look for a set of Vortec truck heads. If so would any special valvetrain components be required? Vortec heads on older block? Second, the heads were specifically designed to improve low- and mid-rpm operation. ... and TBI intakes to fit the Vortec heads, ... out burn the older heads. Jul 14, 2005 #1. Paid $4500 to dealer for new heads. I chose these over the GM vortec heads because the decks are thicker and less Cast-Iron Vortec Cylinder Head Assembly ... Vortec Cylinder Heads. Find PROMAXX Performance Vortec 185cc Iron Cylinder Heads 2151 and get Free Shipping on Orders Over $99 at Summit Racing! The LT1 does not allow water to pass from the heads through the intake as older styles do. Vortec heads on older block? ... i have a mid 80s 350 with passenger side dip and i was curious if these would fit on it and be fine? Does anybody know if 1994 LT1 heads will fit a 1972 block? Find ATK High Performance GM 350 Vortec 350HP Stage 1 Crate Engines HP32 and get Free Shipping on Orders Over $99 at Summit Racing! Gen-I-style Vortec cylinder heads are a popular "upgrade" for older SBC engines, however there are a few caveats to keep in mind. Find Summit Racing Vortec Cylinder Heads SUM-151124 and get Free Shipping on Orders Over $99 at Summit Racing! Late 350 Chevy TBI Heads on a Carbureted ... 96-and-later Vortec heads or reverse-cooling 94-96 ... of the perimeter-bolt covers used on older heads. Pricey but the only game in town for tbi