Central Valley Corvettes Newsletter - August 2017

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The LS-4’s specs were nothing special: oval-port cast-iron cylinder heads, two-bolt main bearing caps, cast-iron crankshaft, and forged steel connecting rods. The 8.25:1 compression was the same as the ’72 LS-5, as were the 2.06-inch intake and 1.72-inch exhaust valves and even the 270 net hp rating. (The 1970-71 LS-6 was an all-out performance engine, with much higher compression, solid-lifter cam, and larger rectangular ports and larger valves.) Most of the differences had to do with emissions equipment: The LS-4’s cam was slightly milder, and it used the air injection reactor emissions system (AIR) in place of the LS-5’s controlled combustion system (CCS). There was no catalytic converter for 1974. The LS-4’s calling card was torque. Its 380 lb.-ft. at 2,800 rpm was down slightly from the LS- 5’s 390 lb.-ft. at 3,200 rpm. The L-82 350, by comparison, produced 285 lb.- ft. at 4,000 rpm, so it didn’t offer the same instant oomph as the larger engine. Jim Jordan, president of County Corvette, a classic car dealership in West Chester, Pa., laments that the 1973-74 LS-4 was not a true highperformance powerplant like Pontiac’s 1973-74 455 Super Duty. He does, however, understand the ’74 model’s appeal. “The ’74 Corvette is a car for everyone, from a first-time buyer with less than 10K to spend to a worldclass collector looking to finish off a C3 big-block collection with a great example,” Jordan said. “There is a niche group of people that remember and like the trend to painted bumpers, making for a sleek look for the 1974 Corvette, particularly in great colors like red/red.” Car & Driver tested the LS-4 in a pair of 1973 ’Vettes, which were a bit lighter than the ’74s with their new plastic-covered rear bumper assembly. An automatic-equipped LS-4 ran the quarter-mile in 14.7 seconds at 97.2 mph / 3.08 axle ratio vs. 14.6 at 95.7 mph / 3.55 axle ratio for the 4-speed stick car. (In comparison, a heavier, 90-pound LS-5 automatic the magazine tested in 1971—also with a 3:08 rear axle ratio—did the deed in 14.2 at 100.3 mph.) So don’t use the term “malaise” around a 1974 big-block Vette. Just take advantage of the lower price. Article from: HAGERTY
CVC Activities Schedule THANK YOU TO EVERYONE WHO HAS STEPPED UP AND PUT ON A RUN/EVENT SO FAR THIS YEAR. WITH WHAT IS CURRENTLY SCHEDULED THROUGH THE END OF THE YEAR, OUR RUN TOTAL IS 26. WITH “QUEEN HAULS” IN THE FALL AND, HOPEFULLY, A FEW MORE CLUB RUNS, WE SHOULD BE ABLE TO BEAT LAST YEAR’S TOTAL OF 35. PLEASE CONSIDER PUTTING ON A RUN BEFORE THE END OF THE YEAR AND, AS I HAVE PREVIOUSLY STATED, IF YOU NEED HELP, JUST ASK! REMEMBER, THE MORE RUNS WE DO, THE MORE FUN WE WILL HAVE! DICK DANIELSEN Aug 5 Harris Ranch Lunch Run Danielsen’s Sept 12-15 President’s Mystery Run Anderson Sept 30 Badger Lunch Run Johnson’s Oct 21 Potluck / Country Western Music Duke’s Oct 30 Halloween Party Anderson’s Dec 7 CVC Christmas Party Garrison’s Dec 17 Christmas Hayride Renna July 2018 Colorado Rocky Mountain High Hansen’s GENERAL MEETING ALWAYS 3 RD TUESDAY 6:30 PM BOARD MEETING IS THE TUESDAY FOLLOWING THE GENERAL MEETING AT 7:00PM Dominos 2nd & 4th Thursday of the Month
Page 1 and 2: 5 NEW CARS IN 5 MONTHS & ALL GRAND
Page 3 and 4: PRESIDENT Andy Anderson 977-3387 an
Page 5 and 6: Central Valley Corvettes General Me
Page 7 and 8: SUNSHINE & CLOUDS Debbie Garrison J
Page 9 and 10: ‘In the Garage’ by Charlie Fosn
Page 11: ‘In the Garage’ by Jeff Levine
Page 15 and 16: ONLY THE SHADOW KNOWS…………
Page 17 and 18: TIME TO PARTY! WHAT: POTLUCK WHERE:
Page 19 and 20: CVC CHRISTMAS PARTY SAVE THE DATE D
Page 21: COLORADO ROCKY MOUNTAIN HIGH - CVC
Page 25: Photos by Charlotte Renna & Lori Du

Central Valley Corvettes Newsletter - August 2017

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