http://www.theregister.co.uk/2006/08/22/jcb_goes_speed_record/
http://www.channel4.com/4car/news/news-story.jsp?news_id=15088

and here I am put-putting at 90mph in the 300SD

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Bill

'82 300SD 195K
'84 300SD 199K

yea..95mph just isnt cutting it anymore

Fast but why use "two five litre digger engines to produce 750 brake horse power"? The audi r10 uses a 5.5litre, bi turbo I guess, to achieve 650hp. And that's an engine that finished first in 24hrs Le Mans. I'm sure the audi engineers could squize more than 800hp, as the engine is need to last only some km.

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1992 Mercedes 190D 2.5 turbo 5sp manual. EGT+boost gauges. Boost controller set to ~14.5 psi. 1 1/4 turns on full load adjustment. LPG injection. Next in the list is water injection.

I think these guys wanted to show the world what
their engines could do.
They are backhoe engines and not race engines like
in the Audi's.

Louis.

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Not always the smartest but certainly not dumb?

There is a big difference between the two engine designs. While they are only 100hp apart, the torque is about 800ft/lbs for the Audi and probably more than 2500ft/lbs for the digger engines.

It was unclear as the engines put out 750hp each or 1500hp together?

JCB and Audi are in different markets I doubt JCB is going to start producing cars and similarly I doubt you'll see auto union rings on a backhoe anytime soon. That might not look so cool parked in the valet lot next to the S8.

The Dodge Ram that they raced at Bonneville some years ago that clipped 141 with nearly stock ride height had 890 lbft of torque as I recall and that was from 5.9 liters. They must be squeezing everything those 5 liters have out of them.

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1974 240D 3.0L 4(M) - 250K -OM617.910 + 300D FW + Rajay turbo power!
1977 6.9 3(A) - 84k

Here is a new article on the JCB DIESELMAX setting the new world speed record for a diesel-engine car.

http://autos.msn.com/advice/article.aspx?contentid=4024418

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CJ

1983 300D 12X,XXX

Still 750 HP, 1100 Lb/Ft of torque out of five liters. Not all that impressive. I expect something more outrageous, especially considering what can be done with a 5.9L Cummins 6BT.

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1978 Ford F-150 351M
2002 Kia Spectra 1.8l 5-sp
1985 Volkswagen Scirocco 8V 1.8l 5sp
1985 MB 300D Turbo California

"Die Natur verabscheut Vakuum"

I wonder what rpm those engines are turning at