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Old 10-14-2011, 09:59 AM   #16
CrankyOldMan
2ZR swap. DO IT! Ask how!
 
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Drives: 09 Meteoric Metallic HB
Join Date: Feb 2011
Location: West Michigan
Posts: 2,333
Ok, found some info on the 1ZZ.

* 87.5 mm cylinder spacing.
* 41 x 413 mm runners

I measured the flange on the manifold and found that the runner spacing is also 87.5 mm, and the ports are 35 x 52 mm elliptical.

Update:

I found some info on the 1NZ cylinder spacing:

cylinder bore: 75mm
cylinder wall thickness (between bores): 8mm
cylinder pitch: 83mm

That should make the header pitch 83mm as well. Now to figure out the opening dimensions and bolt locations...

Last edited by CrankyOldMan; 10-15-2011 at 06:43 PM.
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