SAC Engineering successfully gas flowed more than 20 000 cylinder heads over the past 40 years plus and have built at least 2000 very special race-ready cylinder heads. We are undoubtedly South Africa’s leading cylinder head specialist one stop shop and are capable of preparing very high-tech quality heads.
0
+
YEARS OF EXPERIENCE AND EXCELLENCE!
Cylinder Head Gas Flow, Porting & Polishing
Cylinder Head Gas Flow, Porting & Polishing
Audi – BMW – Ford – Mazda – Noble – Nissan – Toyota – VW (Volkswagen)
Gas Flowed Cylinder Heads
HOW DO WE DO IT?
Gas Flowed Cylinder Heads is a very technical and scientific topic! So let make it simple and easier to understand, try and imagine an airplane flying, airplanes are very aerodynamically designed so that they can move easily through the air with as little restriction as possible. The less restriction or wind resistance they have the easier they fly and stay in the air. Also, they can achieve much higher speeds with far less engine power.
WHAT ARE THE BENEFITS OF PORTING & POLISHING A HEAD?
A properly flowed or ported cylinder head can significantly increase a cylinder filling of an engine which in turn will increase the power output after the tuning has been optimised to match the increased air.
It would be a no-brainer to add a gas flow or porting job to a cylinder head that gets removed from an engine because it broke or blew a head gasket. It makes logical and financial sense because this would only add a few rand to the repair or recondition job but the benefit will be huge in terms of power delivery. Most cylinder heads today on vehicles are production orientated and are moderately produced to speed up the production time. A hand finished cylinder head makes absolute sense if you consider that some of the exotic high-end performance cars like Ferrari, Porsche and Lamborghini to mention only a few have hand finished cylinder heads from the factory.
When you speak to one of SAC Engineering sales consultants regarding a gas flow cylinder head you should also ask about gas flowing the throttle body and/or intake manifold. When this is done together the benefits are greater. You might also want to ask about a special gas flow which would be more race orientated without compromising reliability while significantly increasing the performance of your vehicle. In our SAC Engineering shop, we also gas flow heads in different stages for obvious reasons. It is all about time spent on the job, the more time and TLC, the better the head.
IS SAC ABLE TO FLOW HEADS AND ISSUE FLOW BENCH CERTIFICATE?
The port and everything related needs to be as aerodynamic as possible to encourage enhanced cylinder filling. This is where gas flowing or porting takes place. All the sharp edges and obstructions in a port are tidied up and or removed in order for the air to flow over them easier and with less restriction. This would include the valve guide, the valve stem as well as the valve seat and its receiving insert in the combustion chamber. As mentioned above, this is a highly technical and scientific process. On race heads there is much more to it, air speed and volume of air also need to be taken into consideration. For road performance or road race engines, the work is generally the same as on a racing head with a few more boundaries. We are able to flow heads and issue a flow bench certificate as we are one of the few if not the only cylinder head engineering shop to use a flow bench in the country.
The valve seats play a very important role in the porting process and although on most road race jobs we go for three angle seats to ease the air through with much less restriction we can also do multiple angle seats, as much as six angles or even rounded off seats much like the front of an airplane wing.
WHY SHOULD YOU CONSIDER A GAS FLOWED CYLINDER HEAD?
Over the past 40 years plus that have gone by, we have gas flowed cylinder heads of all sorts, whatever the fashion was at the time – we made the cylinder heads more volumetric efficient. Gas flowing cylinder heads is a scientific phenomenon that can literally be applied to any internal combustion engines cylinder head and or inlet system.
Even high-end performance engines found in sports cars, race cars, competition orientated motorcycles, quads bikes etc will benefit from a gas flowed cylinder head – Head tidy up, blueprint – gas flow – gas flowing – gas flow, what ever you want to call it!
So whatever you drive, you can definitely consider a gas flowed cylinder head – it’s all about volumetric and flow efficiency.
Toyota Gas Flow, BMW Gas Flow, Volkswagen (VW) Gas Flow, Audi Gas Flow, Ford Gas Flow, Noble Gas Flow, Nissan Gas Flow – to name only a few.
LOOKING FOR A GASFLOWED HEAD? CLICK HERE
A cylinder head port is much the same as an airplane, the only difference is that it is a stationary piece of material on the engine that has an opening which allows air to enter the engine “a port”. Since an engine is really only an air pump that essentially sucks in huge amounts of air, mixes it with fuel and a spark to create combustion which intern becomes power it stands to reason that the more air we can get into the engine the more power we will make. Obviously, the air needs to be combined with the correct amount of fuel and ignited at the right time for this to be the case.
More About our Services
GAS FLOWING, BIG VALVE CONVERSION AND RACE HEADS
In the early years, modified or gas-flowed big valve cylinder heads were only ever found on racing cars. Today this situation has changed dramatically, custom cylinder heads have become very popular, not only in street cars but also in the highly competitive motorsport arena. And here once again the SAC Engineering specialists can provide you with the full platform of specialised services to not only make your street car or bakkie better but also give you the competitive edge to be number one.
Our cylinder head experts will turn your standard cylinder head into a fully bred racing head. We make them from mild to wild depending on your requirements. We will never compromise reliability.
NEW CYLINDER HEADS
SAC Engineering carry a large variety of new quality aftermarket replacement cylinder heads for petrol and diesel Car’s, SUV’s and Bakkie’s.
Our new cylinder heads are the best alternative available to the original equipment – OEM – part on your vehicle and are sold at very competitive prices.
Click here to get an SAC Engineering consultant to advise you!
Ea, consequatur.
USED & REFURBISHED CYLINDER HEADS
We literally have hundreds of used – refurbished to like new – petrol and diesel cylinder heads for sale in stock.If we sell a cylinder head it carries our standard why worry warranty and will be ready to bolt on to an engine.Our used cylinder heads are refurbished in-house by a team of cylinder head specialists who collectively have around 50 years of cylinder head experience.We sell only the best and we are a one stop cylinder head shop.
RELATED COMPONENTS
What would the value of offering cylinder heads without being able to offer a customer a complete range of related components?
SAC Engineering also have the full range of valve springs, guides, inserts, cotters spring retainers and pre-combustion chambers for the full range of petrol and diesel cylinder heads.
Click Here to get a formal quotation!
ADDITIONAL BENEFITS AND VALUE ADD SERVICES FOR OUR CYLINDER HEAD SALES OR EXCHANGE PROGRAMUSED & REFURBISHED CYLINDER HEADS
More Related to Cylinder Heads and Performance Valves
We stock all major brands of new and used cylinder heads
* All manufacturer’s names, numbers, symbols & descriptions are for reference purposes only. It is not implied that any part, conversion or modification is the product of these manufacturers.
SAC ENGINEERING STOCKS AND SELLS HIGH QUALITY CYLINDER HEAD GASKET SETS!
SAC ENGINEERING HAS HUNDREDS OF NEW AND USED CYLINDER HEADS IN STOCKS PROVIDES FAST AND RELIABLE SERVICE!
SAC ENGINEERING IN THE CYLINDER HEAD BUSINESS FOR OVER 40 YEARS AND OUR EXPERIENCED SPECIALISTS WILL PROVIDE YOU WITH EXPERT ADVICE!