Impala SS Registry - 1961
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You would need some kind of original paperwork showing the RPO 240 option and only the sport coupe or convertible received the option. Only 142 of the 360hp 409 cid engines were sold in 1961, the remainder were one of the following: 305hp 348 cid engine 340hp 348 cid engine, or 350hp 348 cid engine. The Super Sport option mandated either the 348 or 409 engine along with heavier springs, heavy duty shocks, power steering, power brakes with sintered metallic brake linings, and 8.00 x 14 whitewall tires on steel black painter 14 x 5 wheels. All had what is commonly referred to as a Sun "3-piece" tachometer (tachometer, chrome cup, and sending unit) on the steering column with remote sending unit mounted on the driver side fender in the engine compartment.
The 1961 SS option also included SS emblems on the trunk and quarter panel, 3-bar spinner wheel covers, padded dash and a passenger side grab bar. If you suspect a fake, check the mounting holes for the grab bar. The factory mounting holes are oval, not round. Also the wheel covers did not have a mounting hole for the standard plastic emblem.
Mandatory Options | |
RPO | Description |
200 | Shock Absorber, front and rear |
253 | Heavy Duty front springs |
313 or 685 |
Powerglide transmission Four Speed Transmission |
324 | Hydraulic steering |
331 | Tachometer (redline at 5000-5500 for 305hp V8 or 6000-6500 for 340hp, 350hp, 360hp V8) |
412 | Vacuum power brakes |
427 | Instrument panel pad |
572 or 573B or 580 or 590 |
348 cid V8 305hp 348 cid V8 350hp 409 cid V8 360hp 348 cid V8 340hp |
593 | Heavy Duty rear coil springs |
686 | Metallic Brakes |
691 | 8.00x14x4 ply thin line rayon whitewall tires |