GENERAL SPECIFICATIONS: 1970-1974

<< 1966-1969 - SPECIFICATIONS - 1975-1979 >>

YEAR

CID

TYPE

CARB

HP @ RPM

TQ @ RPM

C.R.

BORE/STROKE

1970

307

 

350

 

 

 

 

400

C/T

T

C

T

C

C

C/V

C

2 BBL

2 BBL

2 BBL

4 BBL

4 BBL

4 BBL

4 BBL

2 BBL

200@ 4600

215 @ 4400

250 @ 4800

255 @ 4600

300 @ 4800

350 @ 5600

370 @ 6000

265 @ 4400

300 @ 2400

320 @ 2400

345 @ 2800

355 @ 3000

380 @ 3200

380 @ 3600

380 @ 4000

400 @ 2400

9.0

8.0

9.0

9.0

10.25

11.0

11.0

9.0

3.875 x 3.250

 

4.001 x 3.480

 

 

 

 

4.126 x 3.750

1971

307

 

350

 

 

 

 

 

400

C/T

T

T

C/T

T

T

C/T

C

C

2 BBL

2 BBL

2 BBL

2 BBL

4 BBL

4 BBL

4 BBL

4 BBL

2 BBL

200 @ 4600

215 @ 4800

215 @ 4000

245 @ 4800

250 @ 4600

255 @ 4600

270 @ 4800

330 @ 5000

255 @ 4400

300 @ 2400

305 @ 2800

335 @ 2800

350 @ 2800

350 @ 3000

355 @ 3000

360 @ 3200

360 @ 4000

390 @ 2400

8.5

8.5

8.0

8.5

8.5

9.0

8.5

9.0

8.5

3.875 x 3.250

 

4.001 x 3.480

 

 

 

 

 

4.126 x 3.750

1972

307

 

350

 

 

 

 

 

400

C/P

T

T

C/T

T

T

C

C

C

2 BBL

2 BBL

2 BBL

2 BBL

4 BBL

4 BBL

4 BBL

4 BBL

2 BBL

130 @ 4000

135 @ 4000

155 @ 4000

165 @ 4000

175 @ 4000

175 @ 4000

200 @ 4400

255 @ 5600

170 @ 3400

230 @ 2400

230 @ 2400

265 @ 2400

280 @ 2400

280 @ 2400

290 @ 2400

300 @ 2800

280 @ 4000

325 @ 2000

8.5

8.5

8.0

8.5

8.5

8.5

8.5

9.0

8.5

3.875 x 3.250

 

4.001 x 3.480

 

 

 

 

 

4.126 x 3.750

1973

307

 

 

350

 

 

 

 

 

400

T

C

T

C/T

T

C

C/T

C

C

C

2 BBL

2 BBL

2 BBL

2 BBL

4 BBL

4 BBL

4 BBL

4 BBL

4 BBL

2 BBL

115 @ 3600

115 @ 4000

130 @ 4000

145 @ 4000

155 @ 4000

165 @ 4000

175 @ 4000

190 @ 4400

250 @ 5200

150 @ 3200

205 @ 2000

230 @ 2400

220 @ 2200

255 @ 2400

255 @ 2400

280 @ 2400

260 @ 2800

270 @ 2800

285 @ 4000

295 @ 2000

8.5

8.5

8.5

8.5

8.5

8.5

8.5

8.5

9.0

8.5

3.875 x 3.250

 

 

4.001 x 3.480

 

 

 

 

 

4.126 x 3.750

1974

350

 

 

 

 

 

400

C&T

C&T

C

C

C

C

C

C

2 BBL

4 BBL

4 BBL

4 BBL

4 BBL

4 BBL

2 BBL

4 BBL

145 @ 3600

160 @ 3800

185 @ 4000

195 @ 4400

245 @ 5400

250 @ 5200

150 @ 3200

180 @ 3800

250 @ 2200

245 @ 2400

270 @ 2600

275 @ 2800

280 @ 4000

285 @ 4000

295 @ 2000

290 @ 2400

8.5

8.5

8.5

8.5

9.0

9.0

8.5

8.5

4.001 x 3.480

 

 

 

 

 

4.126 X 3.750

<< 1966-1969 - SPECIFICATIONS - 1975-1979 >>

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NOTES:

C - Chevrolet

V - Corvette

P - Pontiac

2 BBL - Two-Barrel Carburetor

T - Pick-Up and Truck

4 BBL - Four-Barrel Carburetor