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MOTORSPORTS Motokhanas, circuit, drag, drift & rally - if its a Mercedes classic and it's competitive we want to know about it!

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  #1  
Old 8th February 2015, 09:25 PM
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Default 6.9 Buggy

Oh the horror of where these engines end up!!!

http://www.pirate4x4.com/forum/gener...5-agrippa.html

And video:

https://www.youtube.com/watch?v=aq9vyyWL8Ig
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Old 9th February 2015, 05:44 AM
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Default Re: 6.9 Buggy

Better than ending at the tip
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  #3  
Old 9th February 2015, 03:13 PM
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Default Re: 6.9 Buggy

Wrong engine for a buggy. Cast iron, and too heavy.
Needs to be an alloy 2 litre twin cam turbo four cylinder for THAT application.

Last edited by SEL_69L; 9th February 2015 at 03:18 PM.
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Old 9th February 2015, 09:25 PM
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Default Re: 6.9 Buggy

I'd have thought they'd be like a monster truck where torque is king....
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01 Ford AU 5L (Deep Blue)
88 420L Euro#-P
88 420L#-P
88 420L#2477-P
87 560L#2020 (Dora 2)
87 560L #9987
87 420L#4309-P
87 420L#-P
86 560L#5896-P
79 6.9#5541 (Red Bull)
78 6.9#4248 (Skye)
79 6.9#3686 (Moby Dick)
78 6.9#1776 (Dora 1)
77 450L#7010-P
75 450L#8414 (Gold Nugget)-P
57 Buick 73A (Titanic)
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  #5  
Old 9th February 2015, 09:25 PM
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Default Re: 6.9 Buggy

Quote:
Originally Posted by Michel View Post
Better than ending at the tip
True dat!
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01 Ford AU 5L (Deep Blue)
88 420L Euro#-P
88 420L#-P
88 420L#2477-P
87 560L#2020 (Dora 2)
87 560L #9987
87 420L#4309-P
87 420L#-P
86 560L#5896-P
79 6.9#5541 (Red Bull)
78 6.9#4248 (Skye)
79 6.9#3686 (Moby Dick)
78 6.9#1776 (Dora 1)
77 450L#7010-P
75 450L#8414 (Gold Nugget)-P
57 Buick 73A (Titanic)
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Old 9th February 2015, 10:25 PM
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Default Re: 6.9 Buggy

I wouldn't use a 6.9 engine in a monster truck.
Such an engine would have a very hard life, and so a good engine for that application would be a supercharged 454, that could be rebuilt often and relatively cheaply.
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Old 12th February 2015, 04:56 PM
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Default Re: 6.9 Buggy

Anyone speak French to translate all this??

http://pirate4x4.fr/showthread.php/9...rippa-by-fab21
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01 Ford AU 5L (Deep Blue)
88 420L Euro#-P
88 420L#-P
88 420L#2477-P
87 560L#2020 (Dora 2)
87 560L #9987
87 420L#4309-P
87 420L#-P
86 560L#5896-P
79 6.9#5541 (Red Bull)
78 6.9#4248 (Skye)
79 6.9#3686 (Moby Dick)
78 6.9#1776 (Dora 1)
77 450L#7010-P
75 450L#8414 (Gold Nugget)-P
57 Buick 73A (Titanic)
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  #8  
Old 12th February 2015, 05:18 PM
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Default Re: 6.9 Buggy

Something went wrong, but WOW!

https://www.youtube.com/watch?v=VKa9nY1Frm8
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01 Ford AU 5L (Deep Blue)
88 420L Euro#-P
88 420L#-P
88 420L#2477-P
87 560L#2020 (Dora 2)
87 560L #9987
87 420L#4309-P
87 420L#-P
86 560L#5896-P
79 6.9#5541 (Red Bull)
78 6.9#4248 (Skye)
79 6.9#3686 (Moby Dick)
78 6.9#1776 (Dora 1)
77 450L#7010-P
75 450L#8414 (Gold Nugget)-P
57 Buick 73A (Titanic)
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Old 13th February 2015, 06:05 PM
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Default Re: 6.9 Buggy

The "WOW" video is interesting. I take it that the buggy is fitted with the 6.9 engine, and whilst I don't know the reason for the engine "expiring", I am not really surprised. Having a good look at the pictures of the finished engine with its various modifications, I couldn't help but be impressed with the extent of modifications carried out.

Where I started to get a bit shaky, was when I listened to the running of the engine. I realize that the motor was running in a confined space, but there was just something that didn't sound right when it was running.It sounded like a hydraulic lifter problem, but it also "hammered" as if there was a camshaft or follower problem. Have another listen. It just does not sound 'nice'. Only my opinion - any others in agreement ? Regards Styria

Last edited by Styria; 13th February 2015 at 06:19 PM.
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Old 13th February 2015, 07:25 PM
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Default Re: 6.9 Buggy

Yes I agree! Someone else suggested it was an exhaust leak but I'm not so sure... And the extractor config isn't correct on the LHS so that won't help power. Considering the builder's amazing skills with the rest of the car the exhaust lets it down.

I have someone who's been able to translate the whole thread, so I might be able to find some answers soon!!
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01 Ford AU 5L (Deep Blue)
88 420L Euro#-P
88 420L#-P
88 420L#2477-P
87 560L#2020 (Dora 2)
87 560L #9987
87 420L#4309-P
87 420L#-P
86 560L#5896-P
79 6.9#5541 (Red Bull)
78 6.9#4248 (Skye)
79 6.9#3686 (Moby Dick)
78 6.9#1776 (Dora 1)
77 450L#7010-P
75 450L#8414 (Gold Nugget)-P
57 Buick 73A (Titanic)
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  #11  
Old 13th February 2015, 07:39 PM
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Default Re: 6.9 Buggy

The motor came from wrecked car so maybe it was on way out when he fitted it.
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