Re: [Chevelle-list] Engine Mount Question

[Clint Hooper]

I kept the 307 mounts in my 68 El Camino when I swapped in the 468 BB. Always thought the 307 mounts allowed the engine to be mounted a smidgen lower because I never had a problem with running a 4" tall air cleaner. Not sure about header clearances but my Hooker Comps worked ok once I installed a pair of Coil Spring Specialties 2" drop coils on the front. Later on,I installed a pair of Sanderson 1 7/8" intermediate headers and those solved all the problems. Clint Hooper H&H Custom,owner 1969 El Camino ProTourer 2001 H-D FLHR custom bagger http://dalesplace.com/misc/friends/clint/clint_hooper.htm ----- Original Message ----- From: Larry Shouse Clint, do you know in my situation, going from 327 mounts to a BB mount will raise or lower my 396?   Thanks, Larry ----- Original Message ----- From: Clint Hooper 327 & 350 mounts are the same. 307 mounts are different. Clint Hooper H&H Custom,owner 1969 El Camino ProTourer 2001 H-D FLHR custom bagger http://dalesplace.com/misc/friends/clint/clint_hooper.htm ----- Original Message ----- From: RJ Winkler You got it. The big block mounts are just that much taller.  The 327 has a special pair of frame mounts while the 350 and up use the same ones, pretty sure that’s how it works out. -RJ   From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Larry Shouse   When I installed my big block, I had to buy a set up upper engine mounts. I bought a big block set, then discovered that the ones I got did not couple correctly with the chassis mounts. The upper mounts were too big. I tool one of the chassis mounts off and took it to a local parts store. We discovered the engine mounts that fit my chassis mount was identified to fit a 327. I guess the previous owner must have installed a small block at one time or another. Remembering a thread on the list where people said both will work, except the engine would sit a bit lower with the small block mounts, I bought a set of small block engine mounts and installed the engine.   I have since discovered  I need the engine to sit 1/2 to 1 inch higher to address my header clearance issues. I'm assuming if you set the SB and BB chassis mounts down side by side, the "hump" where the engine mount couples with the chassis mount would be larger and taller, raising the engine a bit?   I appreciate your comments,   Larry Shouse