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Author Topic: lucky or what  (Read 3374 times)

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The Red Baron

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lucky or what
« on: 23 December 2009, 15:28:20 »
further to my post in help section about rattling v6.
the cam timing was way out, drivers side(outer) cam 5 teeth out, well i thought i was doomed. however, fitted a new belt kit & tensioners & fired her up. Well it ran :o no missfire, rattled for a bit until the lifters got happy again but all seems ok apart from the egr gasket has blown.think i will be blanking that off now anyway. so im happy again now. :y
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TheBoy

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Re: lucky or what
« Reply #1 on: 23 December 2009, 15:29:39 »
'kin 'ell
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Entwood

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Re: lucky or what
« Reply #2 on: 23 December 2009, 15:30:53 »
Who's a very lucky lad then ... :)

5 teeth out and nothing bent ?? .. must be a record .. :)

Good to hear the motor is running again  :y :y :y
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Elite Pete

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Re: lucky or what
« Reply #3 on: 23 December 2009, 15:32:06 »
Jammy sod, I had one a while ago (you supplied the head)that had gone 2 teeth and the valves were bent
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The Red Baron

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Re: lucky or what
« Reply #4 on: 23 December 2009, 15:37:56 »
Quote
Jammy sod, I had one a while ago (you supplied the head)that had gone 2 teeth and the valves were bent
i turned it off very quickly, was only on tickover at the time in my yard, but yes, still very lucky. ;D
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Lazydocker

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Re: lucky or what
« Reply #5 on: 23 December 2009, 21:24:25 »
Quote
Quote
Jammy sod, I had one a while ago (you supplied the head)that had gone 2 teeth and the valves were bent
i turned it off very quickly, was only on tickover at the time in my yard, but yes, still very lucky. ;D

Always makes me laugh that statement.... It's still spinning at 600 RPM ::) ::) ;D ;D
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The Red Baron

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Re: lucky or what
« Reply #6 on: 23 December 2009, 21:47:52 »
Quote
Quote
Quote
Jammy sod, I had one a while ago (you supplied the head)that had gone 2 teeth and the valves were bent
i turned it off very quickly, was only on tickover at the time in my yard, but yes, still very lucky. ;D

Always makes me laugh that statement.... It's still spinning at 600 RPM ::) ::) ;D ;D
600 is nowt though really is it tbh.
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Entwood

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Re: lucky or what
« Reply #7 on: 23 December 2009, 22:00:44 »
As the cams go at 1/2 engine speed thats 300 rpm for that cam ...  thats 5 revs /second, if you ran it for 12 seconds ... long enough to hear the problem, register it, switch off,  thats 60 cycles.

I believe you said just one cam out, so that's 6 valves per cam ... so if the valve and piston met each valve gets hit 60 times .....   :(   thats 360 "strikes" ....... 

More than enough impacts to do some serious damage I'd have thought .......

So .. you was very lucky IMHO  ....  :)
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Lazydocker

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Re: lucky or what
« Reply #8 on: 23 December 2009, 22:16:06 »
Quote
As the cams go at 1/2 engine speed thats 300 rpm for that cam ...  thats 5 revs /second, if you ran it for 12 seconds ... long enough to hear the problem, register it, switch off,  thats 60 cycles.

I believe you said just one cam out, so that's 6 valves per cam ... so if the valve and piston met each valve gets hit 60 times .....   :(   thats 360 "strikes" ....... 

More than enough impacts to do some serious damage I'd have thought .......

So .. you was very lucky IMHO  ....  :)

Exactly... It only takes 1 hit to bend a valve ;) ;)
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The Red Baron

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Re: lucky or what
« Reply #9 on: 23 December 2009, 22:30:05 »
Quote
As the cams go at 1/2 engine speed thats 300 rpm for that cam ...  thats 5 revs /second, if you ran it for 12 seconds ... long enough to hear the problem, register it, switch off,  thats 60 cycles.

I believe you said just one cam out, so that's 6 valves per cam ... so if the valve and piston met each valve gets hit 60 times .....   :(   thats 360 "strikes" ....... 

More than enough impacts to do some serious damage I'd have thought .......

So .. you was very lucky IMHO  ....  :)
not ran it for around 3 weeks, fired up no probs, after a minute or so it all went tits up, swithed off immediatly.
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hotel21

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Re: lucky or what
« Reply #10 on: 23 December 2009, 22:46:46 »
Quote
Quote
Quote
Quote
Jammy sod, I had one a while ago (you supplied the head)that had gone 2 teeth and the valves were bent
i turned it off very quickly, was only on tickover at the time in my yard, but yes, still very lucky. ;D

Always makes me laugh that statement.... It's still spinning at 600 RPM ::) ::) ;D ;D
600 is nowt though really is it tbh.

Still 5 times a second, given camshaft/crankshaft speeds........   ;D


edit as others beat me to it!!    ;D   ;D   ;D   8-)
« Last Edit: 23 December 2009, 22:48:20 by hotel21 »
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Entwood

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Re: lucky or what
« Reply #11 on: 23 December 2009, 22:48:21 »
Quote
Quote
As the cams go at 1/2 engine speed thats 300 rpm for that cam ...  thats 5 revs /second, if you ran it for 12 seconds ... long enough to hear the problem, register it, switch off,  thats 60 cycles.

I believe you said just one cam out, so that's 6 valves per cam ... so if the valve and piston met each valve gets hit 60 times .....   :(   thats 360 "strikes" ....... 

More than enough impacts to do some serious damage I'd have thought .......

So .. you was very lucky IMHO  ....  :)
not ran it for around 3 weeks, fired up no probs, after a minute or so it all went tits up, swithed off immediatly.

Appreciate that, which is what the 12 seconds was based on .. ok . perhaps it only took you 6 seconds to register the noise and switch off .. thats still 180 hits in total, 60 per cylinder !!!
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sparkyw666.

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Re: lucky or what
« Reply #12 on: 24 December 2009, 00:34:58 »
very lucky mate glad it still a runner :-) :-)
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p j morgan

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Re: lucky or what
« Reply #13 on: 24 December 2009, 01:25:16 »
you are a lucky man jonboy .does that mean you will be driving round in her now mate? :y
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The Red Baron

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Re: lucky or what
« Reply #14 on: 24 December 2009, 09:26:57 »
Quote
you are a lucky man jonboy .does that mean you will be driving round in her now mate? :y
all being well, yes pete. use the mv6 a little less now. :y
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