What Is Crank Walk? - BMW Forum - BimmerWerkz.com
3-Series (E21, E30) Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.

 
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#1 (permalink) Old 11-01-2004, 11:37 AM
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What is crank walk? how do u know if u have it?
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#2 (permalink) Old 11-01-2004, 11:54 AM
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Quote:
Originally posted by greenlightracer@Nov 1 2004, 12:37 PM
What is crank walk? how do u know if u have it?
[snapback]222202[/snapback]
While this isn't BMW specific, the concept is universal.

http://www.roadraceengineering.com/w...crankshaft.htm

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#3 (permalink) Old 12-06-2004, 10:09 AM
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Quote:
Originally posted by greenlightracer@Nov 1 2004, 10:37 AM
What is crank walk? how do u know if u have it?
[snapback]222202[/snapback]
"
said the crankshaft was "walking". I didn't know what that meant, so he showed me: he had the crankshaft exposed and he pressed a screwdriver between the rods and pushed the crankshaft back and forth by maybe 10 mm. The crank, apparently, is NOT supposed to move horizontally at all. He showed me a spot where there should have been a journal bearing, and the apparent lack thereof on this engine. The whole crank was being replaced along with all new bearings.

"

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<span style='color:red'> its the ones who cant even drive slow that think i cant drive better fast..</span>
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#4 (permalink) Old 12-06-2004, 10:42 AM
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hey Lando did you have this problem with your car? That really sucks for those other guys.

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#5 (permalink) Old 12-06-2004, 04:47 PM
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Originally posted by kearnyme@Dec 6 2004, 11:42 AM
hey Lando did you have this problem with your car? That really sucks for those other guys.
[snapback]244426[/snapback]
Not yet, and hopefully not ever, and the overall percentage is pretty low. The percentage with "6 bolt" motors (89-92) is probably less than 1%.

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#6 (permalink) Old 12-06-2004, 10:22 PM
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Quote:
Originally posted by LandoAWD+Dec 6 2004, 03:47 PM--><div class='quotetop'>QUOTE(LandoAWD @ Dec 6 2004, 03:47 PM)</div><div class='quotemain'><!--QuoteBegin-kearnyme@Dec 6 2004, 11:42 AM
hey Lando did you have this problem with your car? That really sucks for those other guys.
[snapback]244426[/snapback]
Not yet, and hopefully not ever, and the overall percentage is pretty low. The percentage with "6 bolt" motors (89-92) is probably less than 1%.
[snapback]244688[/snapback]
[/b][/quote]

that relives me, and i would guess its more likely to be mobile 1 oil( notice that at least 2 of those cars had the same oil and was kept up maticulously.

also maybe from the turbos,
the high twist from the sideways engine (i think its sideways, my friend owned a 95 talon (with all wheel drive and turbo) great car, but he had some probs too.

mostly with the turbo, but thats all, there great rides, safe fast and responsive. however when it rained we couldnt get half the clarity i get in my datsun or bmw...or volvos ...

iknow besides the point, i have a habit of runnon off at the fingers , i will be more focused frfom now om... :P

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