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Norbie
Forums Junkie


Location:
Brisbane
Registered:
May 2002
Re: 1jz valve springs Thu, 20 January 2005 12:07 Go to previous messageGo to previous message
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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SubjectPosterDate
Read Message   1jz valve springs Chris DaveyThu, 20 January 2005 08:08
Read Message   Re: 1jz valve springs StennoThu, 20 January 2005 09:26
Read Message   Re: 1jz valve springs mrshinThu, 20 January 2005 11:49
Read Message   Re: 1jz valve springs  NorbieThu, 20 January 2005 12:07
Read Message   Re: 1jz valve springs mrshinThu, 20 January 2005 12:10
Read Message   Re: 1jz valve springs NorbieThu, 20 January 2005 12:27
Read Message   Re: 1jz valve springs gianttomatoThu, 20 January 2005 12:35
Read Message   Re: 1jz valve springs Chris DaveyThu, 20 January 2005 12:58
Read Message   Re: 1jz valve springs allencrThu, 20 January 2005 15:11
Read Message   Re: 1jz valve springs Chris DaveyFri, 21 January 2005 03:41
Read Message   Re: 1jz valve springs allencrFri, 21 January 2005 06:11
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