inline 6 to 307 with m465 4spd swap

[scottblue66]

Hi! I am new to the forum. My son and I are trying to swap his 66's inline 6 w/3spd for a 307 and 4spd m465 tranny out of a 71 c20. A few questions I hope someone can help me with. 1. the engine mounts. can the originals be used and do they get moved to the front holes as the engine sits back too far using the rear holes. 2. the rear engine mounts on the bell-housing. can the original cross-member be moved forward or is there another solution? We attempted to install the engine with the front and rear mount positions unchanged....the engine was right up against the firewall and wouldn't line up with the mounts. Thanks, Kevin