Tag: CAMSHAFT

408 LS PART 4: COMPLETED AND DYNO

408 LS PART 4: COMPLETED AND DYNO

      Build, text and photos by Mike Mavrigian   This final article installment covers the completion of the 408 LS build, along with the engine dyno results. Our radical-looking baby pulled a respectable 670.5 HP at 6500 rpm and 581/7 lb-ft of torque at 4900 rpm.  

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PROJECT 408 LS PART 2

PROJECT 408 LS PART 2

  Build, text and photos by Mike Mavrigian   BLOCK PLUGS Using all new GM plugs, I installed the four threaded water jacket and oil plugs on the outside of the block (three steel 16mm plugs and one brass 30mm plug). These plugs feature straight metric threads. No NPT threads exist on the OE block. [...]

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PROJECT 408 LS, PART 1

PROJECT 408 LS, PART 1

  Build, photos and text by Mike Mavrigian   This build features a GM LS platform, bored and stroked to 408 CID, with a 4.0305” bore and 4.000” stroke. A few of the notable elements include adapting Gen 1 smallblock Chevy valve covers to LS heads and a conversion to carburetion, this time using a [...]

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PONTIAC 455, PART 4

PONTIAC 455, PART 4

  Build, text and photos by Mike Mavrigian   Note: This engine, as well as all of our engine projects, is designed, test-fit and assembled by Mike Mavrigian’s Birchwood Automotive facility in Creston, OH. Now that the block, oil pan, valley cover plate and timing cover have been painted, we can begin final assembly.   [...]

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LS RETRO BUILD, PART 3

LS RETRO BUILD, PART 3

WE COMPLETE THE SHORT BLOCK   Build, text and photos by Mike Mavrigian   In this build installment, I’ll cover camshaft, timing, oil pump, windage tray, oil pickup, front and rear engine covers, oil pan installation and more. Due to the length of this article, I’ll save cylinder head details and installation in the next part of this build [...]

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AMSOIL INTROS NEW BREAK-IN OIL

AMSOIL INTROS NEW BREAK-IN OIL

New AMSOIL SAE 30 Break‐In Oil allows quick and efficient piston ring seating and protection for new and rebuilt engines. Cam lobes, lifters and rockers are protected by anti‐wear additives during the critical break‐in period when wear rates are the highest. In addition, increased film strength protects rod and main bearings from damage.

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PROJECT PONTIAC 455, PART 1

PROJECT PONTIAC 455, PART 1

WE BEGIN THE BUILD OF A BORED STROKED PONTIAC 455 TO OBTAIN 501 CID AND ABOUT 600 PONIES. THE GOAL:TO CREATE AN IDEAL “INDIAN” POWERPLANT FOR STREET, STRIP AND STREET RODDER APPLICATIONS Prior to block machining, the block exterior was smoothed and detailed. Not only will this ressurected Pontiac provide some ground-pounding thump, but it’ll [...]

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RETRO LS BUILD, PART 1

RETRO LS BUILD, PART 1

WE BUILD AN LS ENGINE ON A BUDGET AND TRANSFORM THE MODERN ENGINE INTO A RETRO MOTOR THAT HARKS BACK TO THE GOOD OLD DAYS IN THE PROCESS. BASICALLY, WE’RE BUILDING A CARBURETED 327 CID LS ENGINE, WITH CUSTOM TOUCHES THAT REMIND US OF AN EARLY 1960′S SMALLBLOCK CHEVY       We started with an [...]

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E-STREET TOP END KITS

E-STREET TOP END KITS

With their all-in-one-box convenience and “no guesswork” performance appeal, Edelbrock Power Package Top End Kits are in high demand. Now Edelbrock is proud to introduce the new line of E-Street Power Package Top End kits for small-block Chevy, big-block Chevy and small-block Ford.

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TREND OFFERS NEW TOOL STEEL SOLID LIFTERS

TREND OFFERS NEW TOOL STEEL SOLID LIFTERS

  Trend has announced a new, premium tool steel solid flat tappet. Intended for use on cast iron camshafts, they suit Chevrolet, Ford, Chrysler, and Toyota V8s. Ideal for engines turning in excess of 7,000rpm with higher valve spring pressures these new tool steel tappets are designed for short track oval racing, Bracket racing, and [...]

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