Air Shock Question

Ed Sewell said
I have a 65 cuda with stock suspension, but a Moser 8 3/4 axle and brand new stock springs/hangers/polyurethane bushings. Recently bought the black Gabriel Air Shocks for it(from summit or jegs), cause I needed more rear end height to ease tire changes. The shop couldn't mount them, because the upper tubes are too wide and hit the gas tank. They even moved the tank back as far as it would go, but the shocks still rub the tank if mounted....so they couldn't mount them. I desperately need to raise the rear of the car at least 2-3 inches....and I don't think airbags are an option, cause not much room between the rear axle shafts and frame to mt a set. Shocks were listed as fitting this yr/make/model car!
Anyone have air shocks on their early a body with stock gas tanks & 8 3/4 rear end? What brand/part # did you use? (picture of them installed would be helpful) Id also consider coil overs to raised the rear, if adjustable, if someone uses them on the same setup? I hav a set of coilovers I bought for my 72 demon, but the bushings are too big for the early a body bolt mounts.

Thanx for all the help/recommendations. Looks like the spacer type upper bolts are what I need, rather than switching out springs to espo or 2inch risers. Hope i can find a pair? Certainly didn't want to do longer shackles....hi-schooler bs would ruin the new springs! I think the larger 8 3/4 axle shafts make a difference, cause itll move the shocks back more, unless you modified the shock mt plate on the suspension. The lip on the tank(new) was already bent up as far as possible, and the tank slid back as far as itd go, but the passenger side upper shock tube still rubbed the bent lip! Purpose here is to get better rear end height at least higher than front by 2-3 inches. This'll provide ease of frequent tire changes from slicks to street(moser axles also have long stubs), provide slightly more ground clearance behind frt wheels where the 3inch s pipes to the sidepipes scrape the garage floor on entry, and accept the rear window install possible more weight in cargo area without further rear end drop. Id actually prefer airbags & their adjustibility...but then more mods would be needed as space between the big moser axle & frame is minimal. So air shocks were the cheapest temporary fix to allow rear height adjustibility. Heres a couple pics to showthe car as is now, but with gas shocks. FYI...she been "modified" a bit....