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Tuning the GM Little Block | PART 3

WE NOW GET TO THE MEAT OF TUNING THE LITTLE BLOCK…. PORTING THE CYLINDER HEAD This is one area where the game is won or lost and an ongoing discussion point with tuners who continue down the route of small diameter inlet ports. No tuned OHV looking for real horsepower  (I refer mainly to

Tuning the GM Little Block | PART 2

993 PROJECT – DYNAMOMETER DEBRIEF Whenever I have the opportunity to carry out seemingly random testing, I do so to fill the information bank…because as we move along in doing this work, all info fills in the puzzle just a teeny bit. So… when we fired up the 993 it made

Tuning The GM Little Block | PART 1

INTRODUCTION AND BACKGROUND Hello Little Block folk. I have been intrigued at the interest you have in this little masterpiece and in the type of questions being asked….So…I have decided to put together a very simple guide for tuning the Opel/Vauxhall OHV. Everything is based on the KISS principle (Keep It

The Firenza V8 Can Am Road Test

The Real Story About How A Road Test Mislead Generations Of Petrolheads The Firenza V8 or Can Am as we prefer to call it, is just one of those cars we as petrolheads honour as being something really special from back in the day. It carries with

The Blydenstein Project

The GM “Little Block” and the Magic 1273 Work on the GM's small four of the 60's an 70's continues...but this time on a larger capacity version of the engine. Whilst based on the work done on the magic 1088 I have not simply built a larger capacity version of

The Blydenstein Project | Part 2

“26.15” Careful attention to detail in building the ultimate OHV Little Block has resulted in the sort of performance we could only have dreamed of back in the day. Surprisingly though, everything that has been done is 60’s relevant. In Part 3 at the end of his piece we will cover the most

The Blydenstein Project | Part Three

Finding The Power Before we get into finding the power, we will cover the remaining issues affecting combustion control and engine knock/detonation. Part Two has resulted in some interesting comment from readers who ask the question as to why I have focused so much on this aspect

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