Olds engineers used a similar 14mm design but with a smaller 5/8-inch hex. We'll send you the most interesting Street Muscle articles, news, car features, and videos every week. 4.155 bore 455 N crank Stock rods TRW L2323. Basically just need to know whats worth buying for the build and what is better purchased new or elsewhere. In the original camshaft position within the engine is smooth shaft whose role is to drive the distributor as well as the two overhead cams. Then the engineers took things even further, This ain't your father's Oldsmobile - OW43 with Webers! Recommendations for 500 HP Olds 455 | Bob Is The Oil Guy This is our basic procedure on engine blocks. How to Pump Gas Properly: 5 Steps for Success. Horsepower The kit delivers improved performance in street applications from 1,500 to 6,500 rpm range. Check out ourEngine Masters Challengeresults from 03', We can do these engine using any of the rotating assembly combinations from our assembly list. If you want to order custom parts, 600-plus cubic inches is an attainable goal. The bore was kept the same and the stroke was extended. 4 0 obj Design work began in February 1969 and running engines were provide to Andy Granatellis STP race team less than 90 days later. 500hp 455" - realoldspower.com These were heavy, slow-revving motors designed for buses, concrete mixers, and garbage truck applications. Size increased from 5/16- to 3/8-inches. Image: Special-Interest Autos magazine. Image: Car Craft magazine. Every other part was available through the aftermarket.. While more pressure tends to help the lubrication of your engine it is important to point out that too much pressure requires more engine power to create. Eddies uses File Fit Plasma-moly rings are used to reduce friction and drag on the cylinder walls which produce the best horsepower and reliability. Perhaps the best muscle car street engine of the era was the Ford Boss 429. When all machining is finished, the block is pressure washed, then Clevite cam bearings and brass freeze plugs installed. ; Sealant must be used on intake bolt threads if the threads extend into lifter valley or coolant passage. Oldsmobile's version was part of the Rocket series of V-8 engines that powered its cars. By 1976, its final year, power had fallen to 190 hp. with March Serpentine System modified for use with an electric water pump and a crankcase evac pump, 2786 Hwy 43 North Two wheels or four, I'm all in. The other solution was to reduce the angle of the pushrods. We installed it in a customers 69 firebird, 455cid. The initial head was aluminum with a layout calling for 1.750-in intake valves made of SAE 8640 steel and inclined at 22 degrees, and 1.375-in exhaust valves made of 214N austenitic stainless steel, and inclined at 15 degrees. From experimental designs to beefed-up takes on existing motors, this group will surely make you wish some of these engines actually evolved into a real production engine, as each is more impressive than the last! At that point, no development had been done to optimize cam specifications to match the breathing of the heads. Stock Oldsmobile 455 Specs: standard bore is 4.125, stock stroke is 4.250, stock rod length is 6.735, stock wrist pin size is .9805. O ring and Cooper or MLS head gaskets if the boost isn't extreme. Minor modifications were made for better oil supply for the valve gear, the bottom end was beefed up, and four-bolt caps were added to the main bearing journals. For the best experience on our site, be sure to turn on Javascript in your browser. While it's important that other parts play a major role in producing power the heads are key.
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