Want to build costom turbo kit. Need advice from boosted guys! - Toyota Yaris Forums

pimp my yaris · 04-18-2011, 09:57 AM

My previous set up used a 1.5mm restrictor that came with my oil line. I thought it was needed to maintain proper oil pressure in the engine. My turbo was trashed after 4 months. More recently I did a lot of reading on Garretts web sight and they say no restrictor is needed unless you have so much oil pressure its leaking through the seals into the intake or exhaust. I looked inside my turbo and it looks to have its own restrictor built in. Its bigger then 1.5mm, mabe 3mm. So far everything going well. And yes I am still using a extra spring to pull my wastegate open at a lower pressure. i still need to buy some lager injectors soon. Mabe then run at 8-9 psi

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04-18-2011, 09:57 AM	#11
pimp my yaris C'est la vie Drives: 2009 2 door hatchback Join Date: Aug 2009 Location: chicago Posts: 482	My previous set up used a 1.5mm restrictor that came with my oil line. I thought it was needed to maintain proper oil pressure in the engine. My turbo was trashed after 4 months. More recently I did a lot of reading on Garretts web sight and they say no restrictor is needed unless you have so much oil pressure its leaking through the seals into the intake or exhaust. I looked inside my turbo and it looks to have its own restrictor built in. Its bigger then 1.5mm, mabe 3mm. So far everything going well. And yes I am still using a extra spring to pull my wastegate open at a lower pressure. i still need to buy some lager injectors soon. Mabe then run at 8-9 psi