The 1984 model year was the second highest production year in Corvette history. Also there is a casting date code on the back of the block, it will be a letter followed by two to four numbers. It started life as a major upgrade from the 348/409 W motor. GM Turbo 400 TH400 Transmission 3 Speed Transmission. Give your crew the space they need to work with a spacious cabin as well as 83. 1966-71 L6 (Chevrolet) engine codes are found on the right side of the engine block just to the rear of the distributor. All blocks have a date code of manufacture at the foot of the distributor. Vehicles manufactured in 1970-1971: First digit: Division of GM. Every car manufacturer is obliged to mark all its vehicles in this special format. To further identify the year and application, move to the top and. At one time, a clearance figure of between 0. Along with the engine code you will find the engine block VIN. For example, If you find a number that is C. Cast iron case and extension housing with 4-bolt side cover. 1964-67 V8 models engine code is stamped on the right. It starts out with "1" for each type of block (330, ,350, 400, 425, 455) and increments upward over time. In 1973, Chevy also began offering the C30 one-ton dually with a crew cab. These resources are meant to help identify vehicles and their options, aid in restorations and help educate new enthusiasts about their vehicles. Chevy LT1 Engine Specs (2014-present) GM has made 3 engines known as the LT1: 1970-72 - Gen. K = 4x4 S = Six Cylinder Gas 2 = 3/4 Ton. Whatever kind of Chevrolet you drive, as a Member of an Eckler's Classics Club, you’ll have free access to the most experienced technicians in the industry. At the right rear of the case is the modulator. Those from 1955-68 may have electric overdrive. The 4L80 nomenclature denotes that the transmission is a 4-Speed, Longitudinally mounted, and for 8000 lbs. L71 Engine with Aluminum Heads & 4-Speed. V8 engine codes are stamped on a pad forward of the cylinder head on the passenger side of the block. 3 & 4 Body style: 3 & 7 = Two door coupe. Information is provided for General Motors 3 speed, 4 speed, 5 speed and 6 speeds manual transmissions. The 1964 serial numbers are found on the bottom of the carrier. Together with the casting code and casting date you can determine where what the engine is. This code will tell you the year it was to be used. , 4BC, dual 4BC) (Chevy Parts Books) Big Block Chevy Cylinder Heads Open vs. Some years it can be found on the bell housing section near the GM uses RPO codes, or Regular Production Option, to identify its engines Chevy 350 engine codes are stamped near the cylinder head on the passenger side, where the alternator may hide it. The 1983 model year was skipped because the new C4 wasn't ready for production due to quality and build issues. IVE ONLY WORKED ON A FEW, KEEP IN MIND THE lt1 COMPRESSION RATIO is far higher than IDEAL at over 10:1 ,for a supercharger, in stock form, youll need an INTERCOOLER to maximize the boost, as superchargers tend to add a good deal of heat to the compressed charge entering the engine, if you want to do it properly youll need to swap to lower cpr forged pistons and that will require a ballance job, the stock rods are far from ideal, and Id strongly suggest swapping too aftermarker 7/16" rod bolt rods, they add a good deal more strength,since the stock crank is CAST IRON upgrading to a FORGED STROKER CRANK is a good idea.Chevy 350 date code location. KITS from most manufacturers come fairly complete but are expensive (in the $3500-$6000 range,depending on whats inclueded.
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