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#1
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617 Fuel Injectors
I recently acquired a set of Bosch 617 turbo injectors (may or may not be original) from a '84 300SD. I intended to rebuild them (with Monark nozles) and install them in my '82 300D. Although both sets look the same externally, the '84 version has a much longer spring and other internal differences. I am sure either will work, but I am wondering if one version is better than the other.
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#2
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Quote:
It is not just that the spring that is longer. You cannot swap any of the Parts from one Injector Type to another. However, as long as the Opening/Pop Pressure is correct you can use any combination of the assembled types of Injectors you want in your Engine. Take a closer look at the external appearance:
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84 300D, 82 Volvo 244Gl Diesel |
#3
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There are no material differences externally.
I am curious to know if the more recent version is an improvement over the earlier model. Usually, engineering changes are made for good reason. It would not be hard to imagine a longer spring providing more consistent performance, for example. |
#4
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those are not from the same engine type. left is whats on my vw.
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#5
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Now that the cat is out, the left injector is a 2-stage design from a Canadian VW Golf with the 1.9L AAZ engine. The two injectors you pictured (which was my picture) are totally different inside and do not have interchangeable parts.
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#6
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That is funny as I thought I was a pic of two Injectors I got out of my Garage.
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84 300D, 82 Volvo 244Gl Diesel |
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