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Forum: MKIV Supra

09-30-2011, 01:15 AM

Replies: 20

Boost 'struggle'??

Views: 5,316

Posted By pwpanas

Awesome - glad you got it figured out, and even...

Awesome - glad you got it figured out, and even more glad that your Mkiv Supra TT is behaving exactly as Toyota built it to.

What I'd be a bit critical of is *anyone* trying to raise boost...

Forum: MKIV Supra

09-25-2011, 04:21 PM

Replies: 20

Boost 'struggle'??

Views: 5,316

Posted By pwpanas

You need to pressurize your intake system with an...

You need to pressurize your intake system with an air compressor (up to 15psi should be fine) ... all the way from the air filter/maf back...and listen for leaks. You'll have to rig up an adapter...

Forum: MKIV Supra

09-12-2011, 01:40 PM

Replies: 20

Boost 'struggle'??

Views: 5,316

Posted By pwpanas

Just curious - what was the $700 for? The...

Just curious - what was the $700 for?

The idle issue is likely an IAC problem or a vacuum leak. Is the ecu throwing any codes?

Forum: MKIV Supra

09-08-2011, 02:20 PM

Replies: 20

Boost 'struggle'??

Views: 5,316

Posted By pwpanas

Fuel cut is very distinctive... it feels almost...

Fuel cut is very distinctive... it feels almost like you drove your car into a wall, and only right at 14.5 psi (never below that). You may be right - 2nd gear may go by too fast to hit the fuel...

Forum: MKIV Supra

09-07-2011, 03:49 PM

Replies: 20

Boost 'struggle'??

Views: 5,316

Posted By pwpanas

You need to find out the motor octane of that...

You need to find out the motor octane of that fuel from BP. I'm quite sure it is not 98.

Oh, when you raise the boost, you'll hit fuel cut. You need to install a GReddy BCC to avoid this....

Forum: MKIV Supra

09-06-2011, 03:22 PM

Replies: 20

Boost 'struggle'??

Views: 5,316

Posted By pwpanas

Is that 98 *motor* octane, or 98 *research*...

Is that 98 *motor* octane, or 98 *research* octane?

To raise boost, install a boost controller OR do one of the simple mods on mkiv.com
http://www.mkiv.com/techarticles/clamp_mod/_clamp.jpg
...

Forum: MKIV Supra

09-05-2011, 03:50 PM

Replies: 20

Boost 'struggle'??

Views: 5,316

Posted By pwpanas

11.5psi is the oem boost spec. If you raise...

11.5psi is the oem boost spec.

If you raise your boost, it depends on the octane of fuel that you run. With an otherwise-bone-stock* 2jz-gte, running 93 octane gasoline (calculated via (R+M)/2)...

Forum: MKIV Supra

09-02-2011, 03:00 PM

Replies: 20

Boost 'struggle'??

Views: 5,316

Posted By pwpanas

Please let us know how the test run goes. If your...

Please let us know how the test run goes. If your rpm climbs without the speed increasing, it could be a slipping clutch. This problem gets worse in higher gears - try a high-boost acceleration in...

Forum: MKIV Supra

09-02-2011, 01:34 AM

Replies: 20

Boost 'struggle'??

Views: 5,316

Posted By pwpanas

There's more load on the engine in higher gears,...

There's more load on the engine in higher gears, which means you're asking the turbos to work harder. 105K km is very low for a '93...are you sure that's the correct mileage on the engine and...

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