BORED OUT PERFORMANCE THROTTLE BODY HOLDEN VS VT VX VU VY ECOTEC 3.8L V6 L67

NEW: Now available are custom throttle body tunes to compliment your new MACE throttle body (listed below). You can contact us, in order to get these tunes.

VS Throttle Body Memcal    

VT Throttle Body Memcal

VX Throttle Body Memcal  

VY Throttle Body Memcal

Bored out throttle body to suit a VS-VY V6 and supercharged V6. It's a very cost effective way to bump up the performance of your late model Commodore, increasing airflow by 14%.

Manufactured by a renowned engineering company you can be assured of the outstanding quality and workmanship of these remanufactured throttle bodies. The photo does NOT do these throttle bodies justice!

This mod is an excellent cost effective way to bump up horsepower from your late model Commodore, as shown on the before and after dyno graphs. In this case, a VY manual with extractors/exhaust and chip and made 161.2 HP at the rear wheels. 

But after changing leads, spark plugs and installing our larger throttle body, power jumped to 176.9 HP at the rear wheels!

Backed up by other testing gains of around 10 HP at the rear wheels are to be had if used in conjunction with extractors/exhaust and cold air intake. A greater power gain can be achieved if more mods have been undertaken such as a larger cam, supercharger etc

On top of this power increase, it will also make your Commodore sound meaner (i.e. more air rushing into the engine = meaner sound) and offer a much better throttle response!

Please note that our throttle bodies use a brand new, 69mm brass butterfly, unlike some who mislead people into thinking that they are selling a larger throttle body which is only a cleaned up version of the factory item still using the original butterfly!

People please ask for photographic proof that the butterfly diameter (not the initial throttle body opening as its not the main restriction in the first place!!!) is what they claim it is to be, as I've seen far too many people ripped off. On another note we don't manufacture these throttle bodies in 70mm, as we feel that they are unsafe long term as the wall thickness is too thin and may fail over time.

These throttle bodies have been fitted to a number of cars including David Wilzigs ITT.38L which is the FASTEST V6 IN AUSTRALIA, pulling 9.981 seconds @ 137.88MPH down the quarter and making 750HP! So these products have been well proven to work even on the most extreme cars!

Please Note: 

These throttle bodies are not polished.

A tune is recommended for this setup; we can provide a re- calibrated PCM or Memcal to suit.

POWER RUN, WITHOUT LARGER THROTTLE BODY

POWER RUN, WITH LARGER THROTTLE BODY!

MEASURED THROTTLE BODY!

Please remember to check out our other performance products for sale

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We at MACE ENGINEERING are a design company specializing in automotive product development. From a one off custom design right through to mass manufacturing, product we can deliver.

With over 25 years of experience, you can be assured we’ll make it happen for you. In addition to automotive products, we’ve also been involved in the design and manufacture of other items such as steel structures for the manufacturing and movie industries, consumer products, specialized machinery and electronics engineering and all things that help improve the performance of your Holden or Ford.

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