Not sure of all your specifics but I run exactly what your doing . I have my original '74 318 pan on a later year 360 block . I needed my pan to clear the steering arms and couldn't use the 360 truck pan . I had no issues
Twin Superchargers !!!!
I want to try this soo bad
[URL=http://s36.photobucket.com/user/soshaggy/media/Mobile%20Uploads/SBM_twin_cut_zpsqnf93tgx.png.html]
[/URLhttp://www.torqstorm.com/kits_twin_small-block-mopar.html