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Is this right?
This is on piston heads advertised at 1000hp. Is this a grenade engine?
http://www.pistonheads.com/sales/3511513.htm Bob |
A well built engine of that era should last a few thousand miles.
Even the old Ford cosworth used to run 540BHP in RS500 Race Spec and over 630 in qualifying spec and that was a crappy design! The old M12 1.5L BMW engine was good for 1500BHP in the right trim ;) ;) A small capacity High output engine is always going to be more stressed compared to a similar design large capacity engine. But modern tolerances, stronger build means that higher power can be achived with better reliability.. But 1000BHP from a 4Pot is not going to give you 10's of thousands of trouble free miles though. But it's not what it's for! TT |
1000 hp from a 2.3l 4-pot? Bollocks!
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http://fastestcosworth.com/
Look under "engine". That's on what is effectivly an old pinto with a 16V head. TT |
Last time I read about a super test on four or five chipped cossie sierra`s they were all pushing 500+ hp and four of them had terminal engine damage before the test was over. I know things have moved on but 1000hp??????
Bob |
The engine in the 1st link is not a sierra engine.
But I am saying that you can get serious power out of a well built engine, even one with an old design. The Sierra I have linked to is very well know, it even made a Fool of Tiff Nedell and a Twin Turbo Lotus Esprit ;) Look at a volvo B5xxx or B4xxx series engine and it has a bottom half of the block incorporating all the main bearings so the whole bottom end is one piece and the caps can's shift.. That's a serious improvement to longevity and power handling. Most "untimely" failures on a well built turbo performance engine are down to external failures, someone tweaking the boost or soaring IAT's. TT |
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