04-23-2003, 06:08 PM
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#5
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Naturally Aspirated
Join Date: Jan 2003
Location: Mosinee, WI
1/4: 0.000
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Okay, that's what I wanted to know. Just thought I'd check to see what kind of car you had and if the exhaust was opened up, things of that nature, which could effect your boost. 12 psi is stock for a VNT, though they do spike when you first put your foot into it, sometimes up 15 psi before the computer pulls the boost back down.
On the compressor housing, it's hard to explain the routing, but here's a vacuum diagram for you from Gary Donovan's awesome website!
http://www.thedodgegarage.com/turbo/turbo90vnt.jpg
It is the same as the diagram under the hood of your car, if you still have the sticker.
12 btc (before top center) is where you want your engine timing to be set. Before top center refers to your piston location as the crank turns. Basically with your engine running you want the line on your flywheel to match the 12 degree advance mark cast into your transmission's bell housing. You'll need a timing light to see this. There is a more in depth procedure to check your engine timing, but I assume you already know this. |
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TurboDodge.com 
