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  1. Mace Engineering Group
  2. GENERAL ENQUIRIES
  3. General Enquiries

General Enquiries

  • I was looking at Mace's cometic head gaskets are they ok to just fit back onto the head without machining head?
  • I was looking at buying some engine upgrades for my VY V6 Commodore Ute and I was wondering about Mace's Cold Air Intake, why do yours not hurt the MAF sensor?
  • I was looking at Mace's stage 3 stroker kits and H beam con rods and would like an idea of HP rating.
  • I was looking at one of your performance memcals for my VS commodore Ute, but I can’t find a memcal to suit a VS series 3, can you please advise?
  • I was looking at the Mace cold air intake manifold insulator for the VZ Alloytec V6 and was just wondering of the two types you have which one is a better purchase for power gain? I would say the 20mm manifold?
  • I was looking on your website at the L67 water to air intercoolers and noticed in one of the pics(the red VT/VX) there was different L67 fuel rails than stock (billet fuel rails). Do u sell these if so how much?
  • I was looking the Mace cold air intake manifold insulator for the VZ Alloytec V6 and wanted to ask when installing this, is it a straight unbolt, place the manifold and then re-bolt up with longer bolts? With nothing extra needed.
  • I was looking to purchase a Stroker kit for my v6 3.8l ecotec motor but cannot decide between the stage 2 or stage 3 kit as I have a CAPA super charger ready to go on after I Stroker my engine, I want to be pushing a comfortable 10 psi boost, without putt
  • I was looking to upgrade my intake manifold on my 2005 VZ SV6 Commodore, but I was wondering is it necessary to upgrade my current exhaust system first? As of this moment my engine is still factory standard.
  • I was on the lookout for a set of high ratio roller rockers for my VX V6 S pac commodore 2001 model. It is a stock motor with extractors and CAI which I purchased from Mace, I would like to know what would be the highest ratio but also being the safest ra
  • I was only looking at a stage 2 Cam for my VT commodore with L67 engine, what sort of package can be chucked together and at what cost? I am pretty much chasing springs retainers, double row timing chain and push rods to suit ect.
  • I was thinking about using the 25 mm manifold spacer and the 12 mm plenum spacer. What power gains can I expect?
  • I was thinking of buying one of the insulators for my non intercooled vehicle, I was just wondering if you have to change anything else for it to fit due to the supercharger sitting higher.I’m also running a 10psi pulley?
  • I was thinking of getting a 25mm manifold insulator and a 12mm plenum spacer but I don’t think they will both fit under my strut brace. Your thoughts?
  • I was thinking of going with Mace ultra high rockers if able to run that with the standard bottom end?
  • I was thinking on a car with over the radiator intake and a full exhaust, how would this tune differ to one on a dyno? And is there a way to improve throttle response in regards to the throttle lag?
  • I was wanting to upgrade my cams with your new cam package your company just brought out and was just wondering if it would be better to upgrade my valve springs when putting in the new camshafts?
  • I was wondering if I bought one of your flash tunes for my pretty much stock VE SIDI SV6, tune it, then upgraded it with a OTR CAI later on, would I be able to re-tune it with the same tune I bought earlier?
  • I was wondering if I will need anything else in order to complete the L67 intercooler install (A2A or W2A)? The Car is a VX 2001 Berlina L67. Mods include C.A.I, 69mm Throttle Body, 10 P.S.I pulley, 1.9:1 Roller Rockers, XU6 Chip, Pacemaker Extractors int
  • I was wondering if the VCM OTR CAI would fit my series 1 SV6 alloytec engine? I was after this intake but havent seemed to find any that would fit my car.
  • I was wondering what my options were for my G8. I want to make sure what items are compatible and what will be the best package possible within my budget and wants. I already have a CAI so anything in addition to that would be great.
  • I was wondering, do I need 2 cams for the VT L67?
  • I wasn't sure what to put in the form which I filled for tuning for the question "Is This a Throttle Body COMPUTER Tune/Memcal" but I think I am supposed to put no as there are no modifications to my throttle body but please correct me if I am wrong.
  • I will be getting hurricane long tube extractors with high flow cats running 200CPI soon, then the CPR6 manifold plus a tune so I’ll tune the CPR6 and the extractors at the same time, I will then be getting a LSD with a ratio of 3:45, after that I will be
  • I would be running a NOS sniper wet system on my L36 Ecotec VX, probably run a 70 hp shot so need to retard timing by about 2 degrees, is that correct? Can Mace do the tune for me?
  • I would just like to know who you would recommend in the Melbourne area to fit a 10psi pulley to a VT commodore as I am not confident in fitting it myself ?
  • I would like to buy the 25mm manifold insulator to suit the Alloytec engine. How do I go about buying them if they are not listed on your website?
  • I would like to get a CPR6 inlet manifold, HOLDEN VZ-VE ALLOYTEC V6 CAM PACKAGE and COLD AIR INTAKE MANIFOLD INSULATOR ALLOYTEC VZ-VE in New Zealand for my 2007 VE SV6.
  • I would like to know how much it costs for a pair of heads to suit v6 superchargedcommodore as my friend’s v6 has crack the in head in her car, I think it’s a VT – VX model.
  • I would like to order 3.2" pulley and hub, with 8 rib conversion pulleys. What's the best way to place the order? There is no option for just pulley and hub only on website.
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