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The mkiv Supra Owners Club

new to forum.


r1george

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Does anybody have any numbers for places I can get the decat pipes, fuel pump and plugs??

What power am I looking at if I use a 1bar boost restrictor ring?

I don't want to put to much strain on the turbo's so 1 bar should be the safer option.

I've already got a boost gauge and I'm boosting max at 0.8bar which I think is about right for standard.

Any comment's

 

Contact Chris Wilson for the pipes, he makes his own decat pipes and restrictor ring which are used by many (if not most) on here. He can also supply a restrictor ring for whatever boost you want to aim for. Around £280 all in, but you're paying for quality.

 

For the fuel pump, I think Vortex Power (see traders section) are the cheapest for these, they will also be able to supply plugs (IK22). You can also get cheaper NGK plugs from Halfords, but these need replacing more often, circa 3k miles.

 

1.0bar is a safe limit, though most aim for 1.1-1.2. IMO, there is a big gain between 1 and 1.2 bar. Also be careful that its now warm, if you go to 1.0 bar now, that could equate to more than 1.2 bar during winter. For example, mine hits fuel cut at 1.25 bar for most of the winter, last week the highest I saw after a long motorway run was 0.95 bar.

 

Make sure you car is fully serviced (all oils and filters replaced - Especially fuel filter).

 

Edited to add - Reliability can vary a great deal after BPU, a lot depends on how well the car has been looked after. Some have been known to blow turbo's in a few thousand miles, but most seem to be able to go BPU without issues. I've been BPU for 2.5 years and done over 30k miles, no signs of any problems so far.

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Welcome to the club George :thumbs:
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I am a trader on the forum (see Import Pimp section HERE), I'm a Brit based out in Hong Kong, I have a parts export business and can supply most Japanese branded or OEM Toyota parts at very good prices.

 

If I can help with any advice or prices for anything just let me know.

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