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#16
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Do the 602's have the governor also? My tach is not working yet so I intentionally keep the rpms down just from listening to sound levels. I have once (or twice ) let it rev out to max rpm while shifting from 2 to 3 and wondered just what that shift point RPM was. Does anyone know? I probably baby it too much and am doing more harm than good.
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1993 W124 300D 2.5L Turbo, OM602.962 2000 Chevrolet Cavalier, 2.4L DOHC 2002 Ford Explorer, 4.0L SOHC 2005 Toyota Prius, 1.5L http://www.fuelly.com/sig-us/40601.png |
#17
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Quote:
If true, the M/B stated hp peak is lower than actual. I'm not believing it without some ET's under both scenarios (4400 rpm shifts and 5000 rpm shifts). If it still has decent torque at 5000 rpm's the horsepower is significantly greater than the stated 125 hp. |
#18
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Yes. ALL diesel engines in automotive use have come with governors since the 30's. In fact, I'm not aware of any diesel engine that does not have a governor incorporated into the fuel system.
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Whoever said there's nothing more expensive than a cheap Mercedes never had a cheap Jaguar. 83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 400,xxx miles 08 Suzuki GSX-R600 M4 Slip-on 22,xxx miles 88 Jaguar XJS V12 94,xxx miles. Work in progress. |
#19
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Quote:
Wow, its a rare day when mine see's anything about 3,000-3,500......
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1982 300GD Carmine Red (DB3535) Cabriolet Parting Out 1990 300SEL Smoke Silver (Parting out) 1991 350SDL Blackberry Metallic (481) "The thing is Bob, its not that I'm lazy...its that I just don't care." |
#20
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Thank you people! I just love this forum...
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[/SIGPIC]~cirrusman 1983 Mercedes Benz 300SD - Wife calls him "Chitty Chitty Bang Bang" [SIGPIC] 1983 Toyota Tercel (Tommy, The little Toyota that could) 1965 Ford F100 (Grandma Ford) 2005 Toyota Sienna (Elsa, Wife's ride) Gone: 1988 Toyota Pickup 2004 Subaru Outback 1987 Cadillac Fleetwood Brougham 1986 Volvo 740 GL Station Wagon - Piece of junk. 1981 Volvo 242 DL 2 Door - Hated to see it go. R.I.P. 1987 Pontiac Fiero GT |
#21
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As stated earlier. It's the mass and of course stroke. Diesels typically have much greater mass in the piston. Trying to get that piston to stop at the top of a stroke and get sent the other way creats a huge force.
Bearing speed on the crank is also an issue since the throws are so large but modern oil and bearings have pretty much solved that problem. It's easy to over fuel and over rev a diesel so they are governed. Gas engines are so restricked in the intake its hard to over fuel them so no govener. In the day a small block chevy would rev much higher and stay together than the big block and it was all about crank journal size. Not sure about today. anyway thats my 2 cents. Thanks
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83 300D 227,xxx miles, sold 86 300 SDL 130,000 miles, sold |
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