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Location: Brisbane
Registered: May 2002
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Re: 1jz valve springs
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Thu, 20 January 2005 12:07

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Old-school dinosaur V8's have OHV drivetrains, which have lots of big heavy components bouncing around at high speed (pushrods, rockers, large valves etc). You need big heavy springs to keep all of this under control, especially if you want to rev it. A modern engine like the JZ series on the other hand has a DOHC multivalve setup, ie small light valves, no pushrods, no rockers, cam directly over the valves - thus they can get away with much lighter springs and still rev like there's no tomorrow.
So as you can see, any comparison between a 1JZ valvespring and a Ford V8 valvespring is pretty silly. Apples and oranges!
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| Subject | Poster | Date |
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1jz valve springs
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Chris Davey | Thu, 20 January 2005 08:08 |
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Re: 1jz valve springs
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Stenno | Thu, 20 January 2005 09:26 |
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Re: 1jz valve springs
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mrshin | Thu, 20 January 2005 11:49 |
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Re: 1jz valve springs
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Norbie | Thu, 20 January 2005 12:07 |
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Re: 1jz valve springs
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mrshin | Thu, 20 January 2005 12:10 |
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Re: 1jz valve springs
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Norbie | Thu, 20 January 2005 12:27 |
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Re: 1jz valve springs
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gianttomato | Thu, 20 January 2005 12:35 |
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Re: 1jz valve springs
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Chris Davey | Thu, 20 January 2005 12:58 |
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Re: 1jz valve springs
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allencr | Thu, 20 January 2005 15:11 |
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Re: 1jz valve springs
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Chris Davey | Fri, 21 January 2005 03:41 |
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Re: 1jz valve springs
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allencr | Fri, 21 January 2005 06:11 |