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I have a WK caprice 5.7 and the engine covers have heat insulation so I was wondering what are the pros and cons of removing the under-bonnet sound deadening? I am guessing that it will be a bit louder but I think the engine will be cooler without the shielding there. What are the expert...

Hi, just thought you would find this interesting. A friend of mine just bought a brand new VF Clubby R8 Manual with the 340kw package. He had it dynoed after 2 weeks and it made 244 rwkw and 605nm of torque on a mainline dyno. I have a WK Caprice with some bolt-ons and on the same dyno...

I use Nulon 10/40 in my LS1 and it is smooth and quiet. Highly highly recommend.

Also running a CAI pip in 3.5 inches from the front bumper to the bottom of the airbox makes a great improvement. I also found small gains making the BOV as close to the Throttle body as possible. All these gains were verified on a dyno as I am very analytical. Cheers!!

Can I really really strongly suggest you get the Ceramic coating on the turbo manifold, the rear housing of turbo, the wastegate dump and the turbo dump pipe. I have had the same set up as this and it made a very big difference. Also a MACE manifold insulator makes a big difference if the car...

Hi, I have a WK Caprice daily that I am trying to maximise low down torque and fuel economy. At the moment I have a 3.5 inch cat-back Sureflo system in "quiet" that I am very happy with. I have a Maf-less tune and a Duspeed OTR which I am also extremely happy with. The car get really good...

Hi, I am looking to get an Eaton Tru-trac for my WK Caprice. Anyone know where to get one for a good price? I have found them for $625 but it seems a bit steep? Also I need a set of new genuine 3.73 diff gears. Would Holden be the cheapest for these? Thanks guys.

Hi, I am wondering if anyone knows of wheels that are much lighter than standard in order to improve unsprung weight/economy etc. I have the factory Caprice (03) 17 inch rims at the moment. I am looking for the lightest wheels I can get to maximise potential. Weird question I know........

Hi, has anyone done this swap and if so is there a link to pics or how to do it please? I want to get rid of the big ugly one and use the small hidden VZ one. Please disregard the pic of OTR, I cannot work out how to remove it............. :(