Engine Components Maximum Potential..

[RailBoy]

Just wondering what operating range some of the insides of an engine are getting over there life span with a VW Stroker Engine. And yes this is all hypothetical, and like to hear from the experienced in what they have seen and ran.

Point is like a Crank for example. Does it operate at a 85% range before failure?

Hope y'all are having a good day. RB
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[quote="smitty24"]"HELP, I ported my own heads and now have fire coming out my ass" .[/quote]

[k@rlos]

My 2110 stroker had done 30,000 and was perfect inside when it was stripped down. Only pulled it apart to fit a hotter cam and heads

[jpaull]

[RailBoy]

Jpaull, are you looking at the longevity of the life span or stress upon compression firing? But yea, brands sure... Seen this topic in other
endeavors.. RB
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[quote="smitty24"]"HELP, I ported my own heads and now have fire coming out my ass" .[/quote]

[jpaull]

[FreeBug]

Most everything in a good bottom end (full-flow) and P/C will outlast the cam-valve train related stuff.

[Emeraldlion]

What is being defined as "lifespan?" Someone who is building a mileage daily may pick parts and build mild compression, full flow, filter external cooler never spin above 4500 put easy miles balance entire assembly dynamically, religiously adjust and maintain and make 100k. The alternative high cr, cheap full flow, not maintain as well, poor balance drive it hard spin to 7k and only get 10 on same parts

[bugguy1967]

This question will be too hard for anyone to give a definite answer. If I tell you a Chinese crank lasts 50 passes at 5,000-8,000, the question then would be, "What pistons was I using? What compression? What was the weight of my reciprocating assembly? How well were my parts balanced? What bearings was I using? How accurate was my line bore? Was it a crankcase rigidity problem or a crankshaft quality issue?

When anyone other than the manufacture gives you a lifespan time, take it with a grain of salt. There are too many possible reasons for failure, but people often look at the broken part as the culprit.
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"A petrol engine can start readily, run smoothly and give every appearance of being in good order, without necessarily being in good tune." - Colin Campbell, "The Sportscar Engine"