Chevrolet chevelle ss 454 ls6. The story is oft told regular production option rpo ls6 was a 450 gross hp 454 ci engine equipped chevelle ss offered in the pinnacle year of 1970. Ss 454 buyers had been left with a peak output of 365 horses and a maximum compression ratio lowered to 91 due to the requirement of low leaded fuels with no explanation for the absence of the ls6. Production numbers vary but the two figures that float up most often are 4475 or 4439 copies assembled both volumes within spitting distance of each other.
The convertible is the rarest and subsequently most valuable of the pack. The past is gone. A 1970 chevelle ss 454 with the tire melting 450 hp ls6 represents for many chevrolet faithful the pinnacle of the brands pre 21st century performance.
This was the take no prisoners 454 with a 800 cfm holley four barrel on an aluminum manifold 11251 compression solid lifters four bolt mains forged steel crank and connecting rods forged aluminum pistons and deep groove accessory pullies. With its wider track and big polyglas tires the ss454 could handle almost as well as it could accelerate. 1970 chevrolet chevelle ss 454 ls6 85204 mesa maricopa county az we know why you stopped to look here.
The future may never see a car like this. Then there was the ls6. Documented as one of the greatest chevelles ever produced the 1970 chevelle ss 454 ls6 model was the highest powered chevelle manufactured in the models lifetime which ran from 1964 through 1977 and was the only gm car at the time to have ever topped the horsepower rating of the corvette.
When youre selling a decent example of the ultimate muscle car the 1970 chevelle ss 454 ls6 and its an original four speed car to boot not even the nom non original motor can temper the bidding. Everyone wants to know if a 1970 chevrolet chevelle has the 454 ls6 under the hood. It is equipped with the matching numbers 454450 hp engine and m 21 four speed muncie transmission.
No production engine ever had a higher factory horsepower rating. Limited production the baddest engine available and enduring styling. The new ss 454 package cost 503 and included a 360 bhp hydraulic lifter 454 called the ls5.
The 1970 ls6 ss454 chevelle rode on a 112 inch wheelbase.