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Topic: Vortec

In the News (Mon 18 Jun 18)

  NationMaster - Encyclopedia: GM Vortec engine
The Vortec 3500, or L52, is a 3.5 L straight-5 in the GM Atlas engine family, derived from the Vortec 4200 DDOHC I6 found in the GMT360 series trucks (Chevrolet Trailblazer, among others).
The Vortec 4300 is a 90° V6 truck engine, replacing the Chevrolet 250 in light trucks and 200/229 90 degree V6s in passenger cars (the 200 and 229 were known as the V6-90, both were shortened versions of the Small Block Chevrolet).
It is the smallest of the Generation III Vortec truck engines and was the replacement for the 5.0 L 5000 L30.
www.nationmaster.com /encyclopedia/GM-Vortec-engine   (6699 words)

 Vortec Conversion
In the simplest of terms, the Vortec is a Sequential Port Fuel Injection (SFI) engine, which utilizes a sophisticated computer system known as the "Vehicle Control Module", or VCM for short, in conjunction with numerous sensors to monitor and adjust the control of the engine.
I also elected to install a crankcase-oil cooler (utilizing the stock Vortec autotranny cooler) mounted in front of the radiator on the driver's side, and this necessitated moving the radiator frame rearward 0.5" in order to provide space for the oil cooler between the radiator and the TLC front bib.
Understanding the Vortec electronics and ultimately mating the Vortec wiring harness with the existing TLC wiring was, for this electronics-challenged Cruiserhead, the most difficult aspect of the conversion.
medusa.ih8mud.com /cruiser/Vortec.html   (2219 words)

 GM Performance Parts Cast Iron Vortec SBC Heads - JEGS
The Vortec head uses 1.94'' intake valves and 1.50'' exhaust valves to compliment the high velocity port design.
The Vortec head out-flows the bow-tie head out of the box and is a 20 to 40 horsepower bolt on increase over earlier cast iron small-block heads.
The Vortec requires a Vortec style intake manifold due to its improved manifold mounting flange and gasket design and raised intake ports.
www.jegs.com /webapp/wcs/stores/servlet/product2_10001_10002_749896_-1   (222 words)

In the Gen IV Vortec 5300, the De-ac lifters are installed in cylinders 1, 4, 6 and 7, while the remaining cylinders use conventional lifters.
Previously, the Vortec 5300 used a fixed-pin assembly, in which the connecting rod is fixed to the piston’s wrist pin, and the pin rotates in the pin bore.
Previously, Vortec 5300s used the return line to manage fuel pressure by bleeding off excess fuel at the fuel rail and returning the excess to the tank.
www.fastfieros.com /tech/vortec_5300_gen_iv_v8.htm   (4219 words)

 Installation of 5.7L Vortec
This is the only source for vacuum on the Vortec, however, so you must splice into it to power the AC duct flaps and the cruise control servo.
I used the Vortec's high pressure hose and the Jimmy's low pressure hose to connect the pump with the steering box.
The cable-actuated transmission shift linkage bracket that originally came with the Vortec's transmission is removed from the transmission.
users.apex2000.net /whardie/install.html   (1054 words)

 Vortec Cylinder Heads - Small-Block Chevrolet - Specs - Custom Classic Trucks
The Vortec intake port is based on the principle that a large port with a large turning radius will have the same port velocity as a smaller port with a smaller turning radius.
The Vortec heads are the first cast-iron head designed for individual-port fuel injection, which means that the exhaust heat crossover passage has been eliminated.
The drawback to installing the Vortec heads and the new manifold on the TBI engine is the need to plumb exhaust gas from the exhaust manifold to the EGR valve.
www.customclassictrucks.com /techarticles/0405cct_vortec_cylinder_heads_small_block_chevy/index.html   (2540 words)

 Vortec Cylinder Heads Valve Lift - Tech Article - Chevy High Performance Magazine
In 1996, Chevy introduced its Vortec cylinder head on the L31 truck engine and it didn't take long for enthusiasts to bolt them on their engines and find out how good they really are.
CHP recently bolted a pair of Vortec heads on a 383ci (see "Twister, Part III" on page 96) and made 486 lb-ft of torque at 4,600 rpm and 449 hp at 5,300 rpm.
The factory Vortec heads use a light, single-wire valvespring with a damper that generates between 70 and 80 pounds of load on the seat.
www.chevyhiperformance.com /techarticles/148_0208_vortec_heads_valve_lift/index.html   (963 words)

 Iron Vortec Head
In essence, the Vortec head uses the iron LT1 chamber intake and exhaust ports in a standard-water-flow iron head.
The most important detail is that the Vortec uses an eight-bolt intake-manifold pattern that is different from the standard 12-bolt pattern.
The Vortec head also requires the use of center-bolt valve covers, and the good news is there are several styles to choose from.
www.chevyhiperformance.com /howto/97458/index.html   (1339 words)

 Vortec Cylinder Heads
Still, it was hard to beat some of the aluminum heads at their own game, until late last year, when GM Performance Parts introduced the Vortec Bow-Tie head, an all-new, iron small-block cylinder head that promises to deliver the performance of a CNC-ported alloy cylinder head at a fraction of the cost.
Proving the theory that the taller, more narrow intake ports were the key to the Vortec Bow-Tie heads' performance fell to McLaren Performance--a third-party vendor which spent more than 500 development hours and made nearly 110 independent dyno pulls on various engine combinations that included the new GMPP heads.
While we expected to see an increase in power, simply due to the Vortec Bow-Ties' increased capacity over the stock ZZ4 heads, we were intrigued to see that the new iron heads pretty much followed the power curve of the aluminum Fast Burn heads.
www.superchevy.com /technical/engines_drivetrain/cams_heads_valvetrain/0511sc_vortec   (1785 words)

 Vortec IRC - The IRC client the people want
I am rewriting the socket handler component and it may take some time before it is full functional, so I wanted to release what I have finished before I do the rewrite.
I added a timer to poll the socket connection status so that if the thread is broken you will get a "disconnected" message instead of Vortec just sitting there unresponsive.
I fixed the Access Violations that appeared randomly, as well as the ones you get when you close the server window or exit Vortec.
www.vortecirc.com /index.php   (261 words)

 GILBERT CHEVROLET - GM L31 350ci Small-block Vortec Cylinder Heads
The Vortec head can be mildly ported for additional performance and can be milled up to.040” for increased compression ratio.
The easiest way to identify a Vortec head is by the sawtooth pattern cast into the front.
Buying Vortec heads used is risky unless you know what vehicle they came out of, what part number the head is, and what modifications where made to the head to make it that part number.
www.sallee-chevrolet.com /Cylinder_Heads/Vortec.html   (2920 words)

 GM - GMability Advanced Technology: Larger-Displacement 2.9L, 3.7L Vortec Inline Engines Power   (Site not responding. Last check: )
The Vortec 2.9L DOHC four-cylinder with variable valve timing (VVT) replaces the previous 2.8L four-cylinder and delivers 185 horsepower (138 kW) and 190 lb.-ft. of torque (258 Nm).* The Vortec 3.7L DOHC five-cylinder with VVT replaces the previous 3.5L engine and is rated at 242 horsepower (180 kW) and 242 lb.-ft. of torque (328 Nm).*
Approximately 75 percent of the I-4 and I-5 engines' components are shared with the larger Vortec 4.2L I-6, and about 90 percent of the four- and five-cylinder engines' parts are common.
GM was the first auto manufacturer to begin using the procedure and expects to use it for all newly rated engines in the future.
www.gm.com /company/gmability/adv_tech/100_news/vortec_062006.html   (1291 words)

 Vortec - Car Forums and Automotive Chat
I think of the vortec engines as the ones equipped w/plastic intakes, which is misleading.
But yet the first year of the Vortec 4.3 had a cast aluminum intake and TBI (I think).
Vortec heads are by far better than non-Vortec.
www.automotiveforums.com /t641484-vortec.html   (591 words)

 CHEVY Mania!
While the Vortec head is a very powerful and inexpensive production head there is some confusion as to exactly what makes a head the Vortec head.
The Vortec name first appeared on 4.3L V-6 engines in 1986.These engines were the first to use a new "Vortex technology" designed to create a vortex (powerful swirl like a tornado) inside the combustion chamber.
As you can see the vortec head as a smaller chamber much like the early 461's but the spark plug is more centrally located in the in the chamber.
www.chevymania.com /tech/vortec.htm   (991 words)

 Vortec Terms and Conditions of Sale
Vortec’s acceptance of any order is subject to customer’s assent to all of the terms and conditions set forth in Vortec’s "Terms and Conditions of Sale".
Vortec is required to charge applicable state and local tax on every item for which sales tax exemption certification has not been provided.
Vortec shall not be liable for any delay in or impairment of performance resulting in whole or in part from Acts of God, labor disruptions, shortages, inability to produce product, supplies or raw materials, severe weather conditions, or any other circumstances or cause beyond the control of Vortec in the conduct of its business.
www.vortec.com /conditions.php   (900 words)

 jcSCOOPS.com - History of GM Engines: TBI, Vortec, LS1
Vortec was a term used to describe the swirling effect (vortex) from the new head design.
In 1999, the Vortec name still applied but the engine was even further developed as it was modeled over one of the greatest engines ever produced, the LS1.
Like the earlier vortec motor it responds great to bolt-ons and has great power band.
www.jcscoops.com /performance/history_of_gm_engines.php   (378 words)

 ITW Vortec: Innovative Compressed Air Technologies
In 1961, ITW Vortec became the first company to develop technology for converting the vortex tube phenomenon into practical, effective cooling solutions.
Since then, Vortec has continued to refine and expand vortex tube applications as well as develop other ways to use compressed air efficiently.
ITW Vortec products - for spot and enclosure cooling, airflow amplification, blowoff and conveying - increase equipment efficiency, improve manufacturing methods and eliminate more costly methods for cooling and increasing airflow.
www.vortec.nl   (202 words)

 Porting Vortec Heads- Car Craft Magazine
Cantankerous Helgesen grumbled, "The Vortec's ports are patterned with a shape close to what an early generation race head or fully ported production head would look like.
The basic shape of the Vortec's short turn is outstanding for a production head and needs only minor blending to create a smooth, continuous radius around the corner.
As on the exhaust, the short turn on the Vortec intake begins with an excellent basic form, and that's one of the key reasons for the head's stellar performance.
www.carcraft.com /techarticles/116_0306_porting_gm_iron_vortec_cylinder_heads/index1.html   (825 words)

 Valéron Vortec
Valéron Vortec™ with EVD Technology™ has a unique 3-dimensional engineered surface that allows for non-directional installation and drainage of water and moisture that happens to get past the exterior siding.
Valéron Vortec promotes drainage with a unique crush-resistant pattern that creates an airspace to reduce the solar-driven inward vapor drive.
Valéron Vortec helps protect homes from potential mold growth and eventual rotting of wall frame members.
www.valeron.com /vortec   (155 words)

 Vortec Heads
While it’s true that the Vortec castings will bolt right onto your favorite old small-block, just about everything else connected to them will have to be changed to make the engine run again.
The Vortec heads will also require new rocker arms, unless you were already using the self-aligning-style arms, and chances are really good that your old spark plugs won’t fit either, so you’ll have to buy a new set of those, too.
Both Fel-Pro (PN 1255) and GM (PN 12529094) make intake gaskets to fit the Vortec heads and we know for a fact that the GM gaskets are reusable because we’ve had the manifold on and off about 10 times without a leak from the same pair of gaskets.
www.popularhotrodding.com /enginemasters/articles/hardcore/0511phr_vortec   (956 words)

 XG Vortec 500 Review – Pure Power
The packaging does a nice job of showcasing the beautiful blue all aluminum looks of the Vortec 500 and the side features a window allowing the unique fan covers and actual color to be previewed.
It is a little disappointing to see the Vortec doesn’t have the two 12 V rails many other high end power supply manufactures provide in their high end units.
The outside of the Vortec 500 is dominated by the two adjustable fans.
www.cluboc.net /reviews/power/MGE/XG_Vortec500/index.htm   (427 words)

 Vortec Pro
Vortec Pro is an ISO 9001 manufacturer of quality Industrial Power Brushes, Abrasives, and Maintenance Products.
Upgrade your browser to the latest version or enable "frames" within your browser's "preferences".
If you need additional help contact the webmaster at: info@weilercorp.com.
www.vortecpro.com   (40 words)

 Engine Modifications for S-Series Vortec Conversion
Because the Vortec heads do not have the "extra" tapped bolt hole needed for the Camaro manifolds, an adapter plate must be used on the passenger side.
Be sure to retain the insulation covering the Vortec EGR pipe -- it passes very close to the oil filler neck and could cause a nasty burn if accidentally touched while changing the oil.
This photo of an unmodified Vortec shows the original location of the EGR pipe, running along the upper edge of the driver's side valve cover, and connecting to the back of the Vortec exhaust manifold (obscured by brake booster).
users.apex2000.net /whardie/engmod.html   (626 words)

 Vortec V6 heads - Car Forums and Automotive Chat
Goal is 300+ HP...I will run flat top pistons, big cam etc..My question is this..Heads: I was told that the Vortec heads flow much better then the stock heads that are on the engine now.
I am willing to invest big$$ in rebuilding a set of heads, to include precutting the valves for 2.02 and 1.60.
Shaving the heads 0.010 etc. I just want to know are the vortec heads better flowing and if so what is the part number I am looking for.
www.automotiveforums.com /t220696-vortec_v6_heads.html   (194 words)

GM 4.3, 5.0 and 5.7 Vortec Injector conversion
Vortec 4.3L 5.0L and 5.7L engines from 1996-2002 have been found to be very sensitive to fuel deposits in the fuel injectors.
The injector coil is located in the central 'spider' with a tube sending the injected fuel to a poppet nozzle in the port of each cylinder.
www.theautoshop.net /VortecMPFI.htm   (228 words)

 GM Vortec™ 8100   (Site not responding. Last check: )
Powered by the brawny GM Vortec™ 8100, 8.1 liter engine, Workhorse gas platforms free you up to pass RVs and trucks on mountain roads.
Packing 340 hp and 455 lb.-ft. of torque, the GM Vortec 8100 is the biggest gas RV engine ever built.
With the GM Vortec 8100, Workhorse platforms take command of the passing lane.
workhorse.com /Default.aspx?tabid=306   (535 words)

 DriverHeaven.net: Vortec PSU
With the decision to use nylon wrapped wiring and a side window/internal led fans the Vortec is ideal for those of you out there with case windows, not only will you have a tidier case than with the traditional design, it will also look really cool with additional lighting to match the PSU.
The figures we recorded were excellent, in the case of the +12v and +5v lines the Vortec is outperforming some 600w PSU’s we’ve tested and on the +3.3v line we are seeing comparable figures.
Considering all of the features, the high build quality and the top notch performance you would realistically expect the Vortec 500w to be priced over $100, to our surprise you can pick one up for $79.99 on the net in America and in the UK for £57.
www.driverheaven.net /reviews/vortec/conclusion.htm   (404 words)

 XG Vortec 500 Power Supply :: Computer :: Review :: DreamStation.cc   (Site not responding. Last check: )
DreamStation.cc lab was given the XG Vortec 500 Power Supply from MGE for a workout.
The XG Vortec 500 comes with two blue acrylic windows enhancing the overall look, one on each side of the power supply that measure 4.75 x 1 in.
The XG Vortec 500 isn’t very noisy seeing that you can dial down the fan speed even with the two fans running at full speed it was still very quiet.
www.dreamstation.cc /reviews/computer/xg_vortec_500_power_supply   (1077 words)

 Bare Large Port Vortec Bow-tie Cylinder Head 25534371 - Crate Engine Depot
This Vortec design Special Performance cast iron cylinder head features revised intake and exhaust ports and machined for 2.00" intake valve and 1.55" exhaust valves.
The deck surface is.450" with 65 cc combustion chambers, 206 cc intake and 77 cc exhaust ports.
All Vortec intake ports are taller and narrower than early model Chevrolet heads.
www.crateenginedepot.com /store/Bare-Large-Port-Vortec-Bow-tie-Cylinder-Head-25534371-P857C0.aspx   (341 words)

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