Stayer. Lightweight crankshaft pulley 4G69.
#1
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Stayer. Lightweight crankshaft pulley 4G69.
In this topic I want to talk about making the lightweight crankshaft pulley.
Originally I wanted to just buy on ebey. But unfortunately, found nothing suitable for a 4g69. There are a few pieces for the EVO. But with a caveat.
Firstly, they're all reduced size. This is not good. The power steering, pump, alternator and air conditioning will not work properly.
Secondly you have to choose the size of the other belt.
Third, they mainly made in China. Now I will tell you in more detail.
I didn't have to buy a pulley. My friend bought one a year ago this pulley. He gave me a sample.
On the pictures it looked not bad. But in fact it was much worse. Nick on the working edges. Low purity of processing. The absence of the protective layer. Small size (125mm)
Also on sale is colored (red, blue, etc.) However, the layer thickness of 5-7 microns. It serves only a decorative layer instead of a protective layer. It did not suit me. I decided to do the pulley.
Originally I wanted to just buy on ebey. But unfortunately, found nothing suitable for a 4g69. There are a few pieces for the EVO. But with a caveat.
Firstly, they're all reduced size. This is not good. The power steering, pump, alternator and air conditioning will not work properly.
Secondly you have to choose the size of the other belt.
Third, they mainly made in China. Now I will tell you in more detail.
I didn't have to buy a pulley. My friend bought one a year ago this pulley. He gave me a sample.
On the pictures it looked not bad. But in fact it was much worse. Nick on the working edges. Low purity of processing. The absence of the protective layer. Small size (125mm)
Also on sale is colored (red, blue, etc.) However, the layer thickness of 5-7 microns. It serves only a decorative layer instead of a protective layer. It did not suit me. I decided to do the pulley.
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orlando gomez (Dec 16, 2021)
#2
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#4
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Next you need to choose the material. I don't know why the pulleys are made of alloy 6061. For the part which works on friction it's not quite right. More properly applied to the 2024 alloy and with heat treatment. In Russia, this has an analogue alloy (Д16T). If you take grade alloys, we will see all the advantages of 2024 alloy over the 6061 alloy. Although it is somewhat more expensive.
Purchased material for fabrication of parts.
Purchased material for fabrication of parts.
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#10
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the pulley rotates units - power steering, water pump, alternator, air conditioning pump. If you reduce the size (lower transmission), all units rotate at a slower speed. Thus, your power steering develops less force. Worse the water pump is pumping coolant. The generator produces lower voltage. Pump worse conditioning is pumping freon.
Besides, it is necessary to buy the reduced belt length.
My pulley has a fully stock size. It is completely Bolt on. You just have to remove the old pulley and put new one.
Besides, it is necessary to buy the reduced belt length.
My pulley has a fully stock size. It is completely Bolt on. You just have to remove the old pulley and put new one.
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stayer (Jun 28, 2016)
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stayer (Jun 28, 2016)
#14
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The report is in the 4G club.
#15
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