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Originally posted by deftones9256
1. i know that the oil feed line comes from the bottom of the oil pan, but where does the return line go to???
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As stated, the return is usually a -10an bung welded into the pan. Feed can be from a spin on adapter at the filter, or any other high pressure soure such as an oil pressure sending unit. A simple T will usually suffice.
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2. i also have 2 coolant lines ( feed and return) now how would i go about running the lines for these???
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You can run with or without. To run with, you need to tap a point soon after the waterpump to get the flow going, and the return would then be plumbed back in pre waterpump. How you do that is your mess

. Alternatively, plug the water feed and drain and invest in a turbo timer.
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3. ill be gettin a front mount intercooler in the mail soon, but when i run the pipes, where/ how will i put the temp sensor in the air intake??? if i put the temp sensor in its stock location..( which would be in the hard pipe from the intercooler) it would read the temp to cold and throw a c.e.l.???
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Place all AFM and other electronics pre turbo. They often don't respond well under/to boost. After also gives you another point at which pressure can leak...
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4. ive heard of people grindin down there stock pistons to lower compression, but wont this weak the piston signifactly??
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Some pistons can be "dished", meaning a machine shop professionally cuts a new profile with a lathe or CNC type device. You're likely cheaper and safer off to purchase pistons made to order. Plenty of shops that will get them for you. Whatever you do, don't take out the dremel. You'll never get them to match, and will create edges that will promote the detonation you are trying to eliminate by lowering compression in the first place.
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any help will be much apprenticed
Darren
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Can't help with the apprenticing
Bob