Overheating & brake issues when turbos dumping

What is a twin turbo automatic? are you talking about the engine or the transmission, what is bad and what are you trying to find out will fit?

Hi David,
Sound as if you have a problem with the dump valve opening too soon. Both turbo's should operate together not in stages. If you have twin turbos there will be one for each bank. The dump valve is a flap which opens when the compression becomes too high. Its operated by vacuum via a diaphragm with a lever operation. You'll be wise to have both units attended to and set so they operate as they should.
Regards Johngee10

yes the tranny will work and you need the 1j engine mounts as they are different. the 7mgte mounts will not allow the exhaust manifold to fit with the down pipe. your intercooler will work fine although i recommend replacement since you loose pressure if this is an original unit. hope this helps. please rate.

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You can fit a turbo to just about any car, the problems lie in changing the inlet and exhaust manifolds to house the turbo of choice and supplying the turbo with oil and water to cool it, also if the car has a ECU getting it chipped to provide the right amount of fuel at the right time.
To be honest if you want a turbo car it is best to buy one with a turbo already fitted as it will probably cost you less to buy for example a Mitsubishi Colt Turbo (around £1500) than to fit a Garrett Turbo (around £3000 with fitting and manifolds) to your 205. Not to mention that the gearbox, brakes and suspension would need to be upgraded aswell.

Yes. However it is a very expensive swap $5000 to $8000 to do it right. You will need the 1J or 2J engine, transmission, wiring harness, ecu, and alot of other pieces to do the swap. The engine brackets will need to be modified and you will have to upgrade your brakes. This kind of swap requires a good knowledge of the Toyota Supra and the engines. I do not recommend this swap for a beginner. A cheaper way is to take a 7M-GTE and upgrade the internals and turbo.

Can I fit a 3ltr turbo isuzu engine to my 2000 model holden rodeo it is fitted with a 3.2 ltr V6 at the moment

if you dont want to take the engine out. you can take the transmission out and do it that way good luck!

The brakes are on vacuum assist, if the check valve is missing or in the wrong direction, boost will pressurize the vacuum assist, and mess with your brakes.

Good luck,
Scott
Iceman_ii on 3si.org