Internal Details

Basic Details

Since we know that the engine blocks between all of the series 2 and series 3 3800's are largely identical we can forget about that and focus on the internal components where a lot of the differences lie.

Camshafts and Cam Timing

Rockers

https://www.3800pro.com/threads/l67-vs-l36-connecting-rod-differences.26632/

L36 vs L67 vs L32 vs L26

The L67 and L32 have stronger connecting rods than the the L36 and L26 engines.

Below is an image of the L67 and L36 connecting rods:

The L67 rod is on the left and the L36 rod is on the right.

Below is an image of the L36 and L26 connecting rods.

The L26 rod is powdered metal, however it is slightly smaller than the L36 connecting rod.

Here is a side profile of the two:

The L26 rod is on the right, the L36 is on the left.

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Journals

journal sizes
https://www.3800pro.com/threads/l36-and-l67-journal-size.48314/

Stroking/Boring options