OEM conrods values

[belell]

Hallo Guys,

I'm David from Italy, Its my firt post on NSX prime, and I'm glad to be here.

I'm gonna tune up my 3.0 L by 93mm special short skirt 2 rings hi comp pistons.

By the way even the rods gonna be custom made in order to get suitable short pistons, so I'll need help to get these OEM rod values for a 3D drawing

> center to center
> B.E bore
> B.E width
> P.E width
> Pin diam


Your help would be very appreciate.

Thanks lot

David

 

[greenberet]

Measuring the NA1 connecting rod on my desk, I come up with the following specifications:

Center to center: 152 mm
Big end bore: 54.85 mm (just the rod without bearings)
Big end width: 21.40 mm (not subtracting the width of the chamfer)
Piston end width: 22.25 mm (not subtracting the width of the chamfer)
Piston pin diameter: 21.85 mm

If you have a look at the FAQ section of NSX Prime (http://www.nsxprime.com/wiki/Changes_by_Year), it states that the piston pin diameter went up from 22 mm to 23 mm when the NA2 was introduced. Hope that helps!

 

[belell]

Hi Greenberret,

Thank so much for your very very useful information.

I keep you informed about the project.

Thaks lot !!!