The Pass Pub: The High-End Off Topic Thread

Is the bottom end of that rod oval as well as the top?....Careful that the crank is not oval as well...happened a car I had and the bearing shells slipped one behind the other and seized the engine.

WINTER:




I get this poem every winter & every winter I love re-reading it, especially this year.
It's a beautiful poem and very well written.

A poem by Abigail Elizabeth McIntyre:


F**K!

ITS COLD

The End.
 
Bottom ends was ok, bearings also actually. Its a little tricky to change those but the Honda engineers had some aces up their sleeves (unlike english usually😉, every rod has a designation and so does the crank. Then there is lookup tables for for finding the right bearing for every combination.

But... Ive decided to use original rods this time. This build is only 836 cc oversize, and the original rods very rarely brake unless one is going for 915 or bigger.

Next task is to do the modeling clay trick to find how much clearence I have between valves and piston when piston is turning on top. If there is good space I might take some material away from the head for some extra compression ratio.

Nice poem
 
Seems you have it all under control. s;

it is at least 40 years since I last stripped and rebuilt an engine (289 Shelby Cobra in a UK built fibreglass special by Trisent...it was the factory prototype and now, fully restored, lives in Switzerland. I did the Morgan 4/4 when aged 19/20! That was almost 55 years ago....and a few bikes before that. The second pic is of the very same car! It lives in luxury in Germany...it had a lot of pre 1939 competition history. The bearings I had to have re-metalled three times; lots of 'blue' and scrapping)

[It is strange how the memory work, and yet it all comes back like a photograph, along with the memory of sound, smell(Castrol R), feel etc,etc.]

EDIT: The inset was a pic of the MGA 1600 stage 5 Twin Cam we put in it - along with a ZF 5 speed straight-cut box. The car was exceptionally fast and dangerous - just look at the size of those tyres!]
 

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The first pic features me when about 34! Get the 70s flares!!That car had one bank of cylinders with a blown head-gasket between 1&2 + 3&4 so I had to carry a LOT of top-up water. Got it skimmed and going again only the timing chain broke at about 3,000 rpm! Lots of bent valves but rods etc were ok. That car was very very fast at tearing up its roots.