Need help.. how does this wastegate come off???
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I tried unscrewing the whole thing using vice grips.. but it wont budge! But the top part with the nipple will spin independant of the whole bottom half.
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it's off a diesel mercedez... have you checked the compressor maps for it? Since diesels have such a low RPM range they generally require much less flow per liter than gasoline. AKA... a 1.8L Gas engine @ 8K rpm will need the same amount of air as a 4.0L diesel @ 3000 rpm. Now granted the diesels run a higher AFR (17-20:1 rather than 14.7:1), but that's not a HUGE difference in the big scheme of things.
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when you put compressed air into a wastegate line, did you take note of the first reading where the arm moved? that should be closest to the reading of the wastegate.
BUT: The wastegate is opened by two forces; boost pressure x the area of the wg diaphragm + exhaust gas pressure x the wg valve area. Which makes it hard to determine by the simple compressed air method.
BUT: The wastegate is opened by two forces; boost pressure x the area of the wg diaphragm + exhaust gas pressure x the wg valve area. Which makes it hard to determine by the simple compressed air method.
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when you put compressed air into a wastegate line, did you take note of the first reading where the arm moved? that should be closest to the reading of the wastegate.
BUT: The wastegate is opened by two forces; boost pressure x the area of the wg diaphragm + exhaust gas pressure x the wg valve area. Which makes it hard to determine by the simple compressed air method.
BUT: The wastegate is opened by two forces; boost pressure x the area of the wg diaphragm + exhaust gas pressure x the wg valve area. Which makes it hard to determine by the simple compressed air method.
What is a better way to measure it? Someone has to know something about this WG.
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Good luck getting that thing to work on a Miata. I don't see how you run an oil feed line or how you're going to clock it.
I just did a quick search, and the wastegate can be anywhere from 10-16psi depending on what year 300SD you got it off of. That's what a couple Merc forums I searched listed for the OEM boost levels. I've seen some eBay ads for SpooledMotorsports used turbo's and they're prices are absurd.
I assume you're going to have a manifold and DP custom fabricated... I can't imagine you'd be lucky enough that is has standard T3 flanges. I'm sure you got it fairly cheap... but that thing looks like a huge pain in the ***. If you don't mind saying, why did you buy it and what do you hope to get out of it?
I just did a quick search, and the wastegate can be anywhere from 10-16psi depending on what year 300SD you got it off of. That's what a couple Merc forums I searched listed for the OEM boost levels. I've seen some eBay ads for SpooledMotorsports used turbo's and they're prices are absurd.
I assume you're going to have a manifold and DP custom fabricated... I can't imagine you'd be lucky enough that is has standard T3 flanges. I'm sure you got it fairly cheap... but that thing looks like a huge pain in the ***. If you don't mind saying, why did you buy it and what do you hope to get out of it?
#18
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Good luck getting that thing to work on a Miata. I don't see how you run an oil feed line or how you're going to clock it.
I just did a quick search, and the wastegate can be anywhere from 10-16psi depending on what year 300SD you got it off of. That's what a couple Merc forums I searched listed for the OEM boost levels. I've seen some eBay ads for SpooledMotorsports used turbo's and they're prices are absurd.
I assume you're going to have a manifold and DP custom fabricated... I can't imagine you'd be lucky enough that is has standard T3 flanges. I'm sure you got it fairly cheap... but that thing looks like a huge pain in the ***. If you don't mind saying, why did you buy it and what do you hope to get out of it?
I just did a quick search, and the wastegate can be anywhere from 10-16psi depending on what year 300SD you got it off of. That's what a couple Merc forums I searched listed for the OEM boost levels. I've seen some eBay ads for SpooledMotorsports used turbo's and they're prices are absurd.
I assume you're going to have a manifold and DP custom fabricated... I can't imagine you'd be lucky enough that is has standard T3 flanges. I'm sure you got it fairly cheap... but that thing looks like a huge pain in the ***. If you don't mind saying, why did you buy it and what do you hope to get out of it?
acually... It has a standard t3 flange for the manifold, standard t3 flanges for the oil feed/drain, and a 2.5 inch v band for the exhaust. So, all I need to do is fab up a downpipe (already have a begi manifold) and get this wastegate thing sorted out.
PLUS, I just rebuilt the turbo using one of the ebay full garrett t3 turbo rebuild kits (oh it spins soo nice now). It is a standared t3 turbo, just that it has a odd WG and its own BOV (which is acually kinda cool)
I guess I could wait awhile.. get larger injectors and a intercooler setup.. and just run at the 10 to 16 psi it is set at. I dont know..
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