1970 Oldsmobile 442 1970 saw the introduction of the Olds 455 V8 as the standard 442 engine. Output was 365 hp and 500 ft·lbf, with a 370 hp W30 option available. The 365 and 370 hp (272 and 276 kW) power ratings were conservatively underrated at a lower rpm. Both engines are believed by some to produce 410 to 420 hp (306-313 kW). It was the pace car at the Indianapolis 500 race in 1970, along with the Cutlass Supreme.
In addition to the standard 442 offerings, W-30's received a W-25 fiberglass OAI (Outside Air Induction) hood to replace the bumper scoops that were on the 68 and 69 W-30's, an aluminum intake manifold, special camshaft, cylinder heads, distributor, and carburetor.
Production:
2D Sport Coupe: 1,688
Holiday Hardtop Coupe: 14,709
Convertible: 2,933
Engines:
(Rallye 350) 350 V8 310 bhp @ 4200rpm, 490 lb-ft @ 2400 rpm.
455 V8 365 bhp @ 5000 rpm, 500 lb-ft @ 3200 rpm.
(W-30) 455 V8 370 bhp @ 5200 rpm, 500 lb-ft @ 3600 rpm.
Performance:
(W-30) 455/370: 0-60 in 5.7 sec, 1/4 mile in 14.2 sec @ 100mph.
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