For these test fittings, I used a 1994 3.4 DOHC BLOCK, a 1994 3.4 DOHC REAR head, a 1999 3100 SFI BLOCK, and a 1996 3100 SFI head.
This article is broken into 3 sections.
- The first section is BASIC COMPARISONS where I compare the BLOCK of the 1994 3.4 DOHC, and the 1999 3100 SFI.
- The second section is a 1994 3.4 DOHC head on a 1999 3100 SFI block.
- The third section is a 1996 3100 SFI head on a 1994 3.4 DOHC block.