Switchback racing Single kit.

Randomizer23

Hate it here lmao

Boosted Performance

Just wondering where the leaks were, or if you can elaborate a bit?

I now outsource the hoses to the same shop that builds majority of the fuel return hoses for this platform. Have the oil cooler kit on my own car, and haven't encountered issues.

If I don't know that there is a problem, I can't really fix it

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750WHP starting @ $7,500 to the door
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The Weapon

I kept leaking on the switch plate connectors. The o-rings didn't hold up well kept blowing out and fittings would loosen up. I switched to a dowty washer and haven't had problems since. Just a copper washer would probably work too.

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Boosted Performance Comp Turbo - Tuner- CJM Fuel Return- Modified Berk CBE- ZSpeed Stage 4 Clutch - Southbend Flywheel - Tuned by Seb ~650whp - HKS Coilovers - SPL - Focal Audio 4 way Active - Audiocontrol DSP - Work CR 2P

JLarson

Let me see if I can explain in text. The thermostatic plate has 2 extruded male fittings on it which match the AN female fittings on the hoses that route to the cooler. The male fittings have gaskets which tend to tear and compress unevenly when the male fittings are tightened. I bought an entirely new plate, just to scavenge gaskets surrounded by a metal ring to prevent that. I also had leaks at both elbows of the AN fittings.

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2014 370z Touring Sport Magma Red MT // BP Single Turbo 6467 // 63mm TB's // Z1 Ported Upper Mani // RJM Pedal // Zspeed Stage 3 Clutch // 526 WHP, 451 WTQ
2006 350z (Sold) // 1990 300zx (Sold) // 1985 300zx 2+2 (Sold)

JLarson

Your leak sounds like the same place mine was. I didn't know the name for the washers I ended up with, but yes, dowty washers were the solution. Thanks for giving me a name so I know for the future!

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2014 370z Touring Sport Magma Red MT // BP Single Turbo 6467 // 63mm TB's // Z1 Ported Upper Mani // RJM Pedal // Zspeed Stage 3 Clutch // 526 WHP, 451 WTQ
2006 350z (Sold) // 1990 300zx (Sold) // 1985 300zx 2+2 (Sold)

Whjaxn17

I've been running the Z1 oil cooler for a while and so far so good. I got the Setrab core upgrade w/ it. Fast Intentions makes a great product, so I wouldn't hesitate with theirs either, but I've also never heard a bad thing about BP, so you have a few good options.

You're going to fully build it, which is great, but these things still like to let go uncomfortably often at or above ~700whp. Yes, even built. It's a head gasket/cylinder deformation issue that so far, it seems only 2 shops have remedied(SOHO and Mazworx). Both claim proprietary methods, so they're rather secretive about how they go about it.

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377whp/299wtq NA
704whp/519wtq, SOHO stage 2.5
IG: pearlywhite.z

Randomizer23

Thanks for clearing this up.

Elmo370z

Ooooooo damn the conversion rate is outta control

Elmo370z

I thought CaD was design machine

Elmo370z

Switchback and soho is the same exact kit for the most part to help clear things up.

Randomizer23

Yep kinda unfortunate.. I was quoted 15k USD which translates to 20.1k CAD before all the duties and fees as well.. A local place I found was quoting me 13k CAD.

Randomizer23

Alright. I think I have made my decision on the BP kit.

Boosted Performance

Thanks for the details. The new lines are all crimped fittings, so no chance of leaks at elbow. The fitting now include dowty washers as well. So an improvement and correction to the issues you had.

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750WHP starting @ $7,500 to the door
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Elmo370z

That’s what I have going on my car. Motor will be sleeved as well

Randomizer23

Right now I am debating to build the Z or another car that will give me the power I want for less. From what it seems is that there are other cars that handle the power better and are more mod happy... I want to just ask if you have any ideas on a good platform that can take the power and still be relatively cheap and can hold the power and not blow after 1500km...