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I have a 2002 P5 with a Haltech E6X computer. The E6X piggybacks off the stock computer, because the stock computer must remain due to it controlling the alternator. If you want to get rid of the stock computer you must change the alternator with one that has its own voltage regulator (I think...

I have a 2002 P5. I have done a turbo conversion using a T3 Garrett Turbo. I'm running 19psi of boost with 270hp at the wheels. I'm looking at changing my spark plugs, but i don't know which ones to go for. I'm thinking of the ZFR7F. What would be the ideal heat range and gap be for my...

I have a SPOOL turbo kit installed. The SPOOL uses a Garrett T3 turbo. I would like to upgrade my T3 to something a little bit bigger. But the only condition is that I want the new turbo to be a direct swap with me current T3. I don't want to hassle with getting things re-made. I have two...

I have a 2002 P5 that has been turbo charged. I'm currently running 19psi of boost with 202kw at the wheels. I previously had an ACT clutch install but decided to change it for a SPEC clutch. I bought a Stage 3 Hybrid SPEC clutch and had it installed today. I also had the clutch fork, pivot...

I currently need to get a new pod air filter. My current one has some damage so I thought that it was time to do an upgrade. I have a Turbo P5 running 19psi of boost. Which air filter would be the best for my application. I don't care how much it costs as long as I get what I pay for.

I am currently looking at getting a new SPEC clutch kit for my 2002 P5. While looking at the specifications of the clutch I noticed that they state the power handling in lb/ft (ex. 300lb/ft, 450lb/ft, etc). Can anyone tell me how much power the SPEC clutches can handle in regards to the above...

As most of you would know I recently blew up my gear box (2002 P5). I got my car back after a full re-build with treated internals. But when I drive, it does the weirdest thing. When you accelerate the steering wheel tenses up, it slighty kicks to the right. But when you take your foot off the...

Can anyone please give me the brake rotor (front and rear) dimensions from a 2002 (BJ) P5. I am getting a custom brake setup done, but they need the dimensions of the stock rotors. I wanted to get them the dimensions without having my rotors taken apart. Thanks

A friend of mine was rebuilding his engine and he said that the tensioning system of the timing belt doesn't look strong enough to hold under boost. He said that the belt is tensioned only by a spring and under high boost it might not hold. If the timing belt slips then the engine would most...

I have a Manual 2002 P5, and I am currently looking at getting the front and rear AWR engine mounts. I just can't decided which one to get, the Manual or Auto bushings. I did a search for other threads and it seems that everyone is saying that the Manual mounts are too hard and that the Auto...

Does the SP20 have the VTCS. I have seen heaps of threads on the problems they are having in the US with the VTCS, and i wasn't sure if we had it or not. If we don't have it then why not?

Ever since I had my forged internals installed I have had this funny rattle coming from my engine (2002 Turbo Mazda P5). When the car is first started there is the normal rattle coming from the forged pistons (which are WISECO pistons), but after driving for a bit it goes away (as expected). But...

Do you have to remove the engine from the car before you can remove the intake manifold. Or can you just remove it while the engine is still in the car. How hard is it to remove. Thanks

Does a 2002 P5 use Hydraulic Lifters in the Head, or does it use another system. Thanks

My P5 is running at 8PSI of boost. So I have decided to use the NGK ZFR6F. The only other thing that I need now is the size of the gap. The stock gap is 1.1mm, so should I keep the new spark plugs at 1.1mm or is there another size that is better suited to my setup.

I'm just changing my fuel pump over to a Denso pump. The screen (the little filter on the end of the pump) that came with the Denso is half the length of the stock screen. They are both different material. Can I use the screen that came with the Denso, or do I have to use the stock. The thing I...

I urgently need to find out what size the inlet of a Garrett T3 turbocharger is. I am trying to organise rubber hoses for it and I am not sure if it is 2" or not. If anyone can give me the size in mm I would really appreciate it. Thanks

What options do we have in regards to in-tank fuel pumps for the P5. I currently have a Walbro 255. I want to change it because it doesn't sound like it will last too long. Does Bosch make a pump?

Which Fuel Pressure Regulator would you prefer for a FI setup, Sard or SX-Performance. I am going to get either one of these FPR's, so if anyone can give me some info on which one to choose would be great.

Does anyone know the power capacity of the Walbro 255 fuel pump, ie, how much power can it output upto. Thanks