On my 69 I put above the rearend housing mounted to the trunk side behind the rearend but I had a problem the other day the rearend came up and chopped a line in 1/2 was not a pretty smell or sight about 20 miles from the house with no tools. If you put it where I did make sure you put it high enough in there for rearend won't smack it.
I mounted mine on the cross member in front of and above the fuel tank (el camino). Because as Joe454 said they like to be near the tank. Then, someone told me that above the tank level is not good because the fuel drains back to the tank. So...
I moved it to the frame rail under the passenger seat. Been driving it a few days and the whine is annoying. Unless it is quieter after I install the carpet, its gonna get a trial back on the fuel tank crossmember.
72 El Camino
TEAM CHEVELLE #00038
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