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12-01-2020, 09:41 PM | #1 |
Drives: 05 echo sedan turbo Join Date: Jun 2018
Location: canada
Posts: 5
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information on elusive late 2003 roller rocker head
there seems to be hints of information that the 1nz had a limited run of a differently designed cylinder heads in late 2003. This head had hydraulic lash adjusters and roller rockers as well as 21* valves as opposed to the 33* in standard 1nz. should be good for some serious HP gains especially for those wanting to stay NA
I would greatly appreciate any information anyone has on this subject here is one websites that I found information of this existing on https://toyota-club.net/files/faq/05...faq_nz_eng.htm |
Tags |
head, valve |
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