Vortec cylinder head swap software

Having the right tools for the job goes a long way in getting your gen iii pcmcontrolled engine swap running well. Streetstyle vortec head test tech article chevy high. That forced me to have the machine shop cut the guides more to keep that groove out of the. These cylinder heads are ideal for applications up to 350 horsepower, but they require vortecspecific intake manifolds. With this simple to make harness you can tune gm engine. Vortec cylinder heads significantly outflow nonvortec service replacement cylinder heads and earlier oem castiron heads. Featuring wideopen intake runners, efficient combustion chambers, and a highperformance valve job. This head fits many vehicles including the pickup, s10s15, blazer, tahoe, astro van, and others. Large port cast iron vortec bare cylinder head 225cc.

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. With our undercover porting the flow numbers increase to 245 cfm intake and 175 cfm on the exhaust. For many, the ideal situation is a cam swap that combines plenty of peak. You can drill and tap the cylinder head for the early style intakes but you must be very careful and if you make a mistake, the heads may be unusable. Tuning an aftermarket ecm is easy with supplied software. This lr4 engine upgrade guide is part of a series of ls. Then silicone sealer is applied in a 316 to 14inch bead ending approximately 14 inch up the intake gasket at the corners to prevent oil leakage. Aftermarket cylinder heads why you shouldnt just bolt them on trrc vortecpro duration. Even if you plan on running a stock ls engine, you still need to tune out the. There are many different ways to build an engine, and when the object is a 350.

Americas favorite highperformance cast iron small block cylinder heads offer big power and bigger value. Chevrolet performance parts l31 vortec cylinder cast iron heads have set the standard for proven performance and budget spending. It lacks the good combustion chamber that helps make the vortec head rock so well. Smallblock engine intake manifolds and components chevrolet. For a primer on the entire ls engine universe, read ls engines 101. E q cast iron vortec small block chevy heads brzezinski.

There are a few other parts needed for a lq4lq9 cam swap such as an ls2 timing. I read a couple postings on here about how junkie l29 heads are because they are designed to have very low timing advance and are smogger heads. I took the heads in for a valve job and i have a crack in one of them. This attention to detail and quality will save you time and money by keeping your gm product out of the shop and on the road. I used a valve that had a groove for an o ring seal. This vortec inline fivecylinder introduced a number of firsts to gms line of truck engines. Blocks manufactured in 1995 or earlier have thermostat bypass passage.

Since its introduction in the late 1990s there have been a few versions of the factory vortec head. Covers all the criteria to consider when starting an ls swap project. Sdpc sd3816 tpi vortec lower intake baseplate sd parts. New bare cylinder head fits 19992006 chevrolet gmc 5.

There are a few other parts needed for a lr4 cam swap, including an ls2. Thanks for the reply hotrod, these are definetely stock vortec valve sizes i believe 2. I am mostly concerned for the proper head gaskets on this swap and the part number or the gm adjustable rocker conversion kit thanks, awaiting any and all replies guys. Vortec bowtie cylinder heads come with bigger valves, a thicker deck surface and 66cc combustion chambers. The name vortec can be confusing because gm used that name for their v6 and v8 truck engines as far back as 1985. I know this is a very common swap but wanting to make sure im not missing anything.

Running the numbers on a variety of engine simulation software. This manifold is primarily intended for use with vortec heads on pre1996 engine blocks. Gauranteed for more horsepower through the venturi effect. Both the 305ci and 350ci tpi engines used iron cylinder heads, and the vortec would be a perfect swap. Chevrolet vortec cylinder heads fast burn combustion chamber and highvelocity ports combine to produce big horsepower. The s10 runs after the vortec headscam swap youtube. Chevrolet performance vortec cylinder heads 12558060. Ive seen vortec 305 heads that had the old style chambers, and a vortec intake pattern. Chevy performance sbc cast iron vortec cylinder heads jegs. Because of this, it has become a very popular swap. We also offer a disguise package to make this vortec head look more like a production chevy vortec casting.

Chevy vortec cast iron cylinder heads the chevy vortec head is an excellent choice for a variety of performance and race applications. Before we put the gaskets in place on this racing head service castiron vortec cylinder head, a dab of silicone is placed in the corner of the cylinder head and engine block below the gasket. Stock engine quest vortec heads flow 222 cfm intake and 145 cfm exhaust. Vortec heads can be mildly ported for additional performance and milled up to. Vortec smallblock build popular hot rodding magazine. Gm performance sbchevy cast iron vortec cylinder heads 2 80912558060. Enginequest performance vortec heads competition products. Castiron vortec cylinder head assembly completely assembled with 1. Gen iii engine conversions always require calibration changes to a. I have the older block without that balancer in it, worked up a little with flat top pistons and big valves.

Cnc machines, however, allow you to replicate a particular set of wellported heads over and over again, and in half the time. Easy ls engine tuning harness bench tune with hp tuners, efi. Chevrolet performance 12558060 cast iron l31 vortec sb. Engine management systems guide includes indepth instruction and photos. Tpi intake for the vortec head tech article chevy high. The heads provide outstanding lowlift flow numbers the more air you flow, the more potential power and fast burn performance all in an affordable, castiron head. Vortec cylinder heads new and used car and truck parts. Enginequest, chev sb vortec performance cast iron heads, 170cc64cc vortec intake, assembled stage 1, pair. Gm performance view topic l29 heads vs other bbc heads.

I have found myself in need of a new head on my 99 k2500, 454 vortec engine. Are you looking for a good set of heads to up the performance factor of your vortec engine. Features include fast burn combustion chambers, and a highvelocity lt1 port design. The flashscan software features more than 600 engine calibrations for. The 305 vortec head is not nearly as good performance wise. But i use as my daily driver and pull a inclosed trailer on occasions. Excellent flow produces broad torque and killer power. Add to that the retainers are smaller and less tall and you get the extra clearance. Gm performance view topic 93 tbi swap to 96 vortec. Gm used the vortec name for several years before 1996 but only on 6 cylinder truck motors. Requires special intake manifold to fit the vortec bolt pattern.