Volkswagen G60 8v (Std Valve)
As fitted to the Golf and Corrado. The supercharged G60 engine fits the role of supplying lots of low down power from a small engine. Benefiting from a supercharger means lots of low down punch and no turbo lag. However, if you want to release the full potential of your VW G60 engine you must address the restrictions of the standard head. Any effiiciencies found in the head will be multiplied by the supercharger.
We have measured our G60 head as if it were a normally aspirated engine. This is because supercharger boost cannot be easily simulated and has many variables such as barometric pressure, ambient temperature, inter-cooler efficiency and level of boost used. We are working on a model for turbocharging and supercharging engines but for the moment we only have figures the head as if it were normally aspirated. This at least gives a fair benchmark of the improvements made.
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Our G60 head shows a very healthy inlet increase of 30.9 % peak flow rate at max valve lift is seen here along with a substantially improved flow rate across the valve lift range. Exhaust improvement is 26.9% improvement at the max valve opening. These are substantial gains and will benefit the delivery of the power low down as well as peak power overall. This head will produce 156BHp without a supercharger at 6500rpm. Our estimate is 190BHP at standard 6psi boost. More is possible with higher boost although you may also wish to consider our big valve version of this head. Call us or email for more details as we may have more exact information than this as our modeling develops.
Need More ? We are currently developing a big valve version of this head – CLICK HERE for more details.
Cost for this head is £525.00 + vat on an exchange basis. (£350 exchange). A ‘taping’ service is also available for this head at an additional cost of £100 which will give the final hand finish to the ports and provide a further 1% flow.
Note : flow diagrams show flow against specific valve openings at 0.050 inch valve openings at 10″ pressure. Therefore actual flow volume increase is measured as the area under the graph (indicated in yellow for inlet and blue for exhaust). Standard valve sizes are used on our heads unless specified as a big valve version. Tests shown here are carried out on a flow bench on a bare head without filters. Therefore the difference between a standard engine with standard inlet ducting and filters will be larger than shown here.
See below for the full reports as generated by our gas flow bench and Port Flow Analyzer software. Click on the images for full size image:
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Custom made Camshafts
With all of our gas flowed heads we also provide a custom made camshaft service. These camshafts are designed to optimise the flow characteristics of our heads. They can also be specifically designed to deliver the power characteristics you require for your specific application.Your existing camshaft will work with our heads, however, if you want to get the most from one of these heads or you have a particular power characteristic you are looking for, we recommend that you consider our custom camshafts.
Price £500 + vat
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We are happy to discuss and advise on any aspect of modifying your engine with one of our heads to achieve the results we predict above. We can also supply the best quality gaskets, camshaft, valves, valve springs and head bolts to go with your new cylinder head. We also specialise in electronic engine management, carb and fuel injection , turbo and supercharger systems. We build race engines too. Built and tested on our own 1000bhp Engine Dyno. We can also fit your head to your engine if required and test your vehicle on our rolling road.
What ever your requirements, race, track day or fast road, we have a full range of the latest and best performance products and techniques. Our competition results year on year prove we have the expertise to make your car competitive at what ever class you chose to compete.