It will accept a 454 crankshaft if I'm not mistaken progress: and: I don't know much about these in the pictures other than if you ask about them, you don't get an answer, according to posts at 348-409. Rusted, pitted and dented original, or pay a lot for a nice one. Part Two Finishing up the engine build including cylinder heads, valvetrain, and the sweet dual-quad induction system. Technology advancements, and advancements in metallurgy have certainly made these products desirable for those who choose to take that path. The iconic W-Series big block engines from General Motors could always be spotted by the uniquely shaped heads and rocker covers for a distinctive appearance.
Look for a release date later in the year for the newest addition to World Products' diverse lineup! Technology advancements, and advancements in metallurgy have certainly made these products desirable for those who choose to take that path. It is important they be completely cleaned out and have good working threads for the plugs that will be installed upon rebuilding. That is not the case in most instances. The block must be cleaned numerous times during the machining and assem- bly process to remove machining chips, grind- ings, oil, and other debris that causes damage if left inside the block during final assembly. Typically, boring out too much yields overheating to catastrophic block damage.
With stock exhaust manifolds and operation in the 6,800 rpm range, it was generally accepted that the engine was capable of producing in excess of 500 hp 373 kW gross with free-flowing open long tube headers. That will go in my to-be-designed replica of the infamous 1963 Grand Sport Corvette. Paint the block if the sight of cast aluminum bothers you. I applaud all those who take the risk in putting out a new product. Those looking to match the factory can get a reproduction 409 oil pan at Show Cars.
Thanks to all who take the time, energy, and money to make things like an aluminum 409 available to those who wish to have one. The cylinders look really close. It produced 375 bhp 280 kW in mid-size cars, 425 bhp 317 kW in. Read on to find out what it takes to reanimate your own W-series mill. As metal is taken off both the block and the main caps, both align honing and align boring should be done only when main-bearing saddles must be trued.
The port wall thickness on the Edelbrock heads is substantial, allowing engine builders room to port and polish the runners to tune air flow. Someone tell me how that's a bad thing? So it's made out of aluminum. Superior recently bored one to 4. I welcome the new block, looks great. Use a telescoping micrometer to measure the bores of all eight cylinders, and measure each bore at the top, middle, and bottom to determine the overall condition of the bore.
Developed by Lamar Walden, the block is based on the Chevy big- block World Merlin X block. I wonder how these same guys feel about the French flat heads, Donovan hemi blocks or Bob Walker's aluminum hemi heads. A general rule is not to be under. I have five available, but haven't received even a single offer. While the aluminum blocks are poured from 356 T6 aluminum, both blocks are modernized versions of the 409 block with reinforced webbing in the lifter valley, bellhousing mounting, and the main web areas. Other than Lamar, his son Rob, and possibly Bill Mitchell, I probably know more about these blocks than anyone in the country.
I don't want to go faster, I want to go back in time to the 60s when things seemed less complex that's all relative, as we know, but with our revisionist history we like to think this was a great time. That's not really a problem for me unless you're working with an original, numbers matching vehicle. This original W block has been cleaned and is ready for assembly. Upon final block inspection, the bores of the freeze plugs should be thoroughly inspected. Not a lot of info on the block yet but a note attached said that Bill Mitchell had 409 guru Lamar Walden do the engineering design and the hope is it is the lightest 409 block ever made. Cast 961 date C-19-6 cln. I bet he put lots of tricks in there to improve the original design.
Needless to say, I just had to laugh at the fellow. No, we didn't discuss price. Visually, the heads, valve covers and water pump are what really sets it apart. The of the W-series engine was in the upper part of the , not the head, the head having only tiny recesses for the valves. He revealed how to make his homemade version of the famous, 427-inch, Z-11 short block.
The spacers proved to be worth about 20 hp compared with the no-spacer configuration. Inspection Process Cleaning the block is essential to any engine work, and it starts prior to seeing just what condition the block is in. Original 348 and 409 engines used this tube for a breather. We do know, however, that production of the 348 was not shut down when the 409 began. Development began with a 409 cu in 6. Typically, boring is done to just less than the final size, usually. How many do they want? The engine block had 4.