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Post by sleepinsol on Oct 8, 2009 23:21:51 GMT -5
havent pulled/plugged the line yet, but i did the test with it on today and it hit 10psi in 3rd @ 3300ish rpm. that was from an 1800ish rpm cruise mashing it to the floor at WOT.....this definately doesnt seem right.
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Post by 93stangnow23t on Oct 9, 2009 15:02:11 GMT -5
at that rpm the 86 I had was already up to 15psi
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Post by sleepinsol on Oct 9, 2009 22:23:44 GMT -5
yes and that 86 had a bigger turbo! did it have a big fmic with lots of pipe though?
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Post by 93stangnow23t on Oct 9, 2009 22:45:49 GMT -5
no but smaller turbo spools up faster.
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Post by sleepinsol on Oct 9, 2009 23:51:20 GMT -5
yes lots of variables tho. im still looking. going to disconnect line tomorrow and plug n play.
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Post by Stinger on Oct 10, 2009 20:55:54 GMT -5
Well, it's "tomorrow" now...what's the result?
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Post by Strangeleak on Oct 11, 2009 0:47:45 GMT -5
Hehe, Stinger.....
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Post by sleepinsol on Oct 11, 2009 18:42:25 GMT -5
just did the test. line pulled/plugged it hit 10 psi from an 1800 cruise in 3rd gear at around 2600-2700 rpm. so roughly 600-700 rpm sooner. keep in mind these readngs are still coming from the stock boost gauge so they may be a tad off, but at least i have an idea of when it raches "10 psi" with the line on and off. now the question is, what does all this mean?
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Post by Stinger on Oct 11, 2009 21:51:03 GMT -5
What boost controller are you using? Is it a ball and spring or a bleeder style?
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Post by sleepinsol on Oct 11, 2009 23:45:21 GMT -5
im running the gillis ball and spring type. i let the boost carry out on the way home tonight and this was the first time i ever saw the stock gauge go over 15 psi! i let out at like 4000 rpm though bc i got scared. am i going to break anything if i run it WOT with no boost control? i cant imagine that tiny turbo making much more than 18 psi anyway.
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Post by Stinger on Oct 12, 2009 11:55:51 GMT -5
I wouldn't suggest running it without boost control until you have an accurate gauge to know how much boost it is making. Then we can reevaluate that idea.
Try running it with a hose running from the boost port on the outlet of the turbo compressor housing to the wastegate, bypassing the boost controller. It "should" make 8-10psi and spool slower than it did with the previous test. I'm curious to see if it acts the same as the first test or not though.
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Post by sleepinsol on Oct 12, 2009 13:17:27 GMT -5
boost port on the compressor housing? where is that exactly? is that the double vac. tee that you are supposed to see when you look at the turbo from the front of the car? if so its been plugged there.
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Post by Stinger on Oct 12, 2009 20:49:54 GMT -5
Yes, that's what I was referring to. You can do basically the same thing by just running your boost hose that normally goes from the vac tree to the gillis directly to the wastegate instead of to the gillis first.
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Post by sleepinsol on Oct 12, 2009 22:04:50 GMT -5
next chance i get i will do this test and report back. what happens if it acts the same as the first test? is this an inclination that my gillis is bad or my wastegate?
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Post by sleepinsol on Oct 13, 2009 17:51:11 GMT -5
ok so i routed the line from the vac tree to the wastegate and drove it to work today. it hits 10 psi around 4000 rpm. i also noticed today when i was running no line on the wastegate that it was spooling slower. it would hit 10psi at around 3300 or later (about the same as with the boost valve hooked up). im not sure how accurate a reading im getting, but the stock gauge is telling me that it is very slow to spool from 5-8 psi, and then picks up nicely from there. i also noticed that the car is much more responsive and tourquy in traffic with no line on the wastegate. this seems to be out of my leauge now. my experience with these turbo fords and internally gated turbos is very little. what are your thoughts?
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