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Old June 3rd 2009, 13:50
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Wally Wally is offline
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Join Date: Nov 2002
Location: The Netherlands
Posts: 2,552
Today I redid my intake tubing of the turbo inlet.
The turbo inlet itself is a 56mm outside diameter, but I only had 50mm silicon 90 degree tubing at the time I made the 2 ltr turbo engine and did forced that one on there...
I now finally found the time to get a 60mm bend 90 degrees and that fitted much more easy 57mm bends can be ordered, but 60mm was on stock and now the more readily available 60mm tubing fitted better.
So I got some drain-pipe 60mm tubing and 45 degree bends and started fabbing up the new intake:


I think the cheap plastic even isolates the high radiant heat from the engine better than stainless or alu intake piping. Its also lighter than the previous 2" stainless pipe and the 20% larger intake diameter has a wopping 44% more intake area!
I dunno if this will make a huge difference (probably not at 14.5 psi), but I do know its better to have the intake tubing at least not smaller than the turbo inlet diameter.
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