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Author Topic: Turbo drain size  (Read 1493 times)
Andy Sykes
Hero Member
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Posts: 1203



« on: April 10, 2014, 20:31:19 pm »

Hi planning my turbo drain route the turbos are twin GTX3575R with an -an10 drain as they are BB cores they have a differnt oil feed rate to plain bearing so I'm thinking I may get away with a T in the drain and into the rocker cover so they will both drain down 1 -an10 or just over 1/2" id tube or should I up to -an12 at the T to add the case will be under - pressure

Cheers Andy
« Last Edit: April 10, 2014, 20:55:44 pm by Andy Sykes » Logged

I love the haters they make me famous.

im building this not just putting parts together, they are two totally different things

Your only here once turn it up to 11
spanners
Sr. Member
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Posts: 286



« Reply #1 on: April 11, 2014, 16:26:46 pm »

Andy, -12 down from the tee would be good in principle, you can't have too big a drain, but it may just be too clumsy to route round everything else, I would try for -10 x 2, one from each turbo into each valve cover, I take it you have high mounted turbos, so they will have a good gravity drain head on them, no need to scavenge pump high mounts.
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Best regards, spanners.
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