Chevrolet big-block engine
348
Table:
Versions

First Year

Last Year

Model Name

Features

Power (Advertised Gross)

1958
1961
Turbo-Thrust
4 barrel
250 hp (186 kW)

Super Turbo-Thrust
"Tri-Power" 3x2 barrel
280 hp (209 kW)

Special Turbo-Thrust
4 barrel
305 hp (227 kW)

1960
Special Super Turbo-Thrust
"Tri-Power" 3x2 barrel
315 hp (235 kW)

1959
Special Turbo-Thrust
4 barrel
320 hp (239 kW)

1961
Special Super Turbo-Thrust
"Tri-Power" 3x2 barrel
335 hp (250 kW)

1960
Special Turbo-Thrust
4 barrel
340 hp (254 kW)

Special Super Turbo-Thrust
"Tri-Power" 3x2 barrel
350 hp (261 kW)

Looking at the table information on 'Chevrolet big-block engine', section '348', produce a single-sentence summary focused on the highlighted cells and return it as JSON: {"answer": "YOUR ANSWER"}.