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gtr bovs max hp

markr34gtr

By markr34gtr,
in Engines & Forced Induction

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markr34gtr Experienced

markr34gtr

Posted
Posted

been reading a few posts about gtr bovs..seems to be a few dif opions...

tested mine yesterday with an air line and tee fitting with a reg to put air on both sides of the bov at the same time to see if it holds say 20psi or more...

seemed fine at even much higher than 25psi...so whats the benifit of after market bovs like the greddy type r etc....

is the air flow of bigger turbos the reason they start to open at higher boost levels...

cheers..

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JAGR33 Grand Master

JAGR33

Posted
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Yeah Ronin, that's the Trust 16 row oil cooler kit, I learnt the hard way...

Sent it back to Japan and got the HKS 16 row oil cooler kit which is mounted on the passenger side inner fender... only to find out that it doesn't accomodate for the series 3 xenon headlights...

I hate oil coolers!!!!!!!!!!!!!!!!!!

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Ronin 09 Grand Master

Ronin 09

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Hey JAGR33, I thought the Trust mounts in the LHS (passenger) fender? Maybe just for R32.

Got me worried now. They have one that they say mounts 'horizontal mount' - does anyone know what that's about or where it is exactly? Sorry to hijack, but I want to know if there is a Trust oil cooler kit that fits with the factory BOVs :P

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JAGR33 Grand Master

JAGR33

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Ronin 09- yeah the kit I got was for an R33 GTR, and it was definetly mounted on the driver's side, ask Gerald he was there when I tried to fit...

Horizontal mount is underneath the radiator and the cooler faces down towards the ground, and is fed air through an air dam.... Don't know if they are practical though....

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JAGR33 Grand Master

JAGR33

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Emre- the hoses cleared the back of the headlights, was a very tight fit... The main problem encountered was where the oil cooler core sits, one of the fittings that goes into the cooler itself was in the way of the little black box bolted underneath the xenons to run the gas discharge, was a big headache!!!!

Ended up unbolting the little box underneath the headlight and relocating a little lower so it wouldn't hit the fitting...... Got there in the end!!!!!!!!!!!!

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JAGR33 Grand Master

JAGR33

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Emre- yes the catch can was a problem too, but where one of the fittings goes into the core itself is pretty much directly under the passenger side headlight..... Well the xenons have a little 'black box' which controls the gas discharge, this was hitting the fitting on the oil cooler core so had to relocate this little box.....

Bit hard to explain......

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Ronin 09 Grand Master

Ronin 09

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Does anyone know if you can let the stock gtr valves breathe straight to atmo?

 

I upgraded my cooler & therefore couldn't put the recirc piping back in so I changed the valve. Still got the stockies so I would put them back in if I could get away with it.

I don't see how this would be a problem in terms of boost leak (unless they have the little bleed hole like a GTS-t BOV). It should only really affect stall and mixtures.

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