Tag: TUFF STUFF

PONTIAC 501 DYNO RUN

PONTIAC 501 DYNO RUN

  By Mike Mavrigian     We finally had a chance to run the Pontiac 501 on dyno. Following are the results. We ran the engine at Ross Racing Engine’s new Superflow SF-902 engine dynamometer in late May, 2012 (Ross is located in Niles, OH, about 62 miles east of my facility).

Read more...

RETRO LS, PART 5

RETRO LS, PART 5

  THE FINAL ASSEMBLY   by Mike Mavrigian Our intent with this build is to illustrate how you can take advantage of current LS (mechanical) technology, and still create a somewhat old school traditional appearance, grabbing in the range of 450 HP, all without breaking the bank. In terms of exterior finish, we intentionally “relaxed” [...]

Read more...

PONTIAC 455, PART 5

PONTIAC 455, PART 5

Build, text and photos by Mike Mavrigian The Pontiac 455, bored/stroked to 501 CID, is finally completed. This article covers all remaining aspects of the assembly. Next is the dyno run, which I’ll cover in an upcoming article.

Read more...

PROJECT ENGINES TO BE DISPLAYED AT HOT ROD & RESTORATION SHOW

PROJECT ENGINES TO BE DISPLAYED AT HOT ROD & RESTORATION SHOW

The Pontiac is being completed today, getting ready for display. . Both current project engines, including the “Retro” LS engine and the Pontiac 455 will be on display at the upcoming Hot Rod & Restoration show in Indianapolis. This year’s show is held at the Lucas Stadium complex, adjacent to the Indianapolis Convention Center, March [...]

Read more...

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.   [...]

Read more...

PONTIAC 455, PART 3

PONTIAC 455, PART 3

 Ross Racing Engines’ Tony Lombardi cut the valve reliefs using an end mill and his adjustable piston vise.   Build, text and photos by Mike Mavrigian     The Pontiac bigblock build (starting with a 455 block and boring/stroking to 501 CID) is progressing. I apologize for the time delay, but this build has been [...]

Read more...

LS RETRO BUILD, PART 4

LS RETRO BUILD, PART 4

This installment in our LS 5.3L “retro build” covers installation of our hydraulic roller lifters, cylinder heads, pushrods and rocker arms, completing the valvetrain. . Build, text and photos by Mike Mavrigian . CYLINDER HEADS While there’s nothing to complain about with the original casting number 862 aluminum heads (GM P/N 12559862), making them flow [...]

Read more...

PROJECT PONTIAC 455, PART 2

PROJECT PONTIAC 455, PART 2

  Build, text and photos by Mike Mavrigian   .     I realize it’s been a while since my last posting of this project’s Part 1 article, but I’ve been tied up with multiple projects at the same time. Since the Part 1 article, I’ve obtained the crankshaft, had the heads finish-machined and assembled [...]

Read more...

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 [...]

Read more...

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 [...]

Read more...