[ROVERNET - UK] Clickety Clat

Tue Mar 29 18:31:10 BST 2005

Pierre,
If I remember correctly, these pistons are marked "STD S10".  Do these 
numbers ring a bell?
Steve

----- Original Message ----- 
From: <pjemail at aol.com>
To: <rovernet at lyris.ccdata.com>
Sent: Tuesday, March 29, 2005 12:53 AM
Subject: Re: [ROVERNET - UK] Clickety Clat

> Dear Steve,
>
> From what you say about the pistons they sound like 2200 pistons. These 
> should be OK and should not cause any problems with the valves. Check the 
> number on the rim of the top of the piston. It should be ERC 516, or maybe 
> ERC 522 or ERC 524 of they are oversize ones.
>
> Regards,
>
> Pierre Janusz
>
> -----Original Message-----
> From: Steve Lawrence <admin at nottinghamroad.com>
> To: rovernet at lyris.ccdata.com
> Sent: Mon, 28 Mar 2005 20:05:46 -0800
> Subject: Re: [ROVERNET - UK] Clickety Clat
>
> I will do a thorough check next week some time using all this input. I 
> have done this job many times with no problem. One suspect difference 
> between this motor and all the others is that the pistons do not seem to 
> be Rover pistons. They have combustion chambers in the crowns, but very 
> shallow ones. They are 90mm in dia. (standard Rover pistons are 85mm or 
> so). These pistons do not have the recess at "noon and 6 o'clock" (so to 
> speak). I would imagine if the pistons are even lightly touching the 
> valves, there would be immediate valve stem damage. This engine was in a 
> parts car I purchased. There was a bill for over $4,000.00 for an engine 
> rebuild. The car does have good power, just need to figure out the valve 
> ticking. Ron, I checked the upper tensioner today as I thought of that as 
> well. It was properly released, so I can rule that out! Thank you for all 
> you help.
> Steve Lawrence
> ----- Original Message ----- From: <rogerdm at iprimus.com.au> To: 
> <rovernet at lyris.ccdata.com> Sent: Sunday, March 27, 2005 8:07 PM Subject: 
> RE: [ROVERNET - UK] Clickety Clat
>> Another conundrum. I had a TC with valve clearences more than 2 thou
> and
>> it didn't make any noise. I think you would be doing well to get a >
> combination
>> of shims through the engine at less than 2 thou and I think the
> manual > specifies
>> a tolerance greater than that. I feel you might be doing damage
> driving
>> with an unusual noise as it does sound like a lubrication problem.
> Did you
>> put the buckets back in the same place when you re assembled the
> head?
>> Are they worn? Are the valve guides OK? Did you put new "O" rings in
> the
>> guides? Have you ajusted the cam chain corretly when you re fitted
> the
>> head? Presumably you had the head planed which means that the head
> bolts
>> have to progress further down the threads of the block. If you didn't 
>> remove gunk in the threads with a tap then the bolts may come up to the >
> obstruction
>> and may reach torque without properly tightening the head and in turn
> the
>> cam assembly. It may be fractionally loose which may disturb
> lubrication,
>> clearences and alignment. It may not be noticeable with the engine
> stopped
>> so try runing the engine at idle with the cover removed (briefly) to
> check
>> lubrication and perhaps the origin of the noise. Use a long
> screwdiver
>> like a stethescope by pressing the blade end on various suspect
> places > (like
>> the cam bearings) and the handle against your ear. You might be able
> to
>> locate where the noise is originating from (loudest) Do not change
> ends
>> of the screwdriver as injury may result. Let us know how you went cheers 
>> roger
>>>-- Original Message -- 
>>>From: "Nottingham Road Giftware" <sales at nottinghamroad.com> To: 
>>><rovernet at lyris.ccdata.com> Date: Sun, 27 Mar 2005 02:02:29 -0800 
>>>Subject: [ROVERNET - UK] Clickety Clat Reply-To: 
>>>rovernet at lyris.ccdata.com Hello All. I just replaced the head on my TC --  
>>>Ground valves/new seats etc. and there is too much valve clatter. The 
>>>tappet clearances are very close to
> spec,
>>> with most right-on (within .002 off-spec worst case). Valve springs
> are
>>> good. Oil ways are clear to all cam bearings etc. The car runs great,
> but
>>> the noise is getting on my nerves. I have had valve clearances way
> off
>> in
>>> the past and they did not make much noise. It does not seem like one 
>>> valve, but it is equal amongst all of them. Anybody have the same 
>>> problem? Should I ignore it and keep on motoring? Steve Lawrence 
>>> _______________________________________________ rovernet mailing list 
>>> rovernet at lyris.ccdata.com To unsubscribe, go to this web page, look near 
>>> the bottom and follow instructions: 
>>> http://mailman.nipltd.com/mailman/listinfo/rovernet
>>
>>
>> _______________________________________________ rovernet mailing list 
>> rovernet at lyris.ccdata.com To unsubscribe, go to this web page, look near 
>> the bottom and follow instructions: 
>> http://mailman.nipltd.com/mailman/listinfo/rovernet
>
> ----- Original Message ----- From: "Ron Morey" <morey814 at hotmail.com> To: 
> <rovernet at lyris.ccdata.com> Sent: Monday, March 28, 2005 7:33 PM Subject: 
> RE: [ROVERNET - UK] Clickety Clat
>> Hello again. One thing I neglected to mention previously was the top
> chain > tensioner. It is easy to forget. It has to be retracted to remove 
> the > chain. If this wasn't done then the tensioner head falls out of the 
>  > retainer and could make a lot of noise. The second part to this is that 
> if > the tensioner was properly retracted then it must be released again 
> after > the chain is connected. Not meaning to be insulting, it's one of 
> those > things that is easy to overlook.
>> All the best, Ron.
>>>From: rogerdm at iprimus.com.au Reply-To: rovernet at lyris.ccdata.com To: 
>>>rovernet at lyris.ccdata.com Subject: RE: [ROVERNET - UK] Clickety Clat 
>>>Date: Mon, 28 Mar 2005 14:07:51 +1000 Another conundrum. I had a TC with 
>>>valve clearences more than 2 thou
> and
>>>it didn't make any noise. I think you would be doing well to get a 
>>>combination of shims through the engine at less than 2 thou and I think 
>>>the
> manual >>specifies
>>>a tolerance greater than that. I feel you might be doing damage
> driving
>>>with an unusual noise as it does sound like a lubrication problem.
> Did you
>>>put the buckets back in the same place when you re assembled the
> head?
>>>Are they worn? Are the valve guides OK? Did you put new "O" rings in
> the
>>>guides? Have you ajusted the cam chain corretly when you re fitted
> the
>>>head? Presumably you had the head planed which means that the head
> bolts
>>>have to progress further down the threads of the block. If you didn't 
>>>remove gunk in the threads with a tap then the bolts may come up to the 
>>>obstruction and may reach torque without properly tightening the head and 
>>>in turn
> the
>>>cam assembly. It may be fractionally loose which may disturb
> lubrication,
>>>clearences and alignment. It may not be noticeable with the engine
> stopped
>>>so try runing the engine at idle with the cover removed (briefly) to
> check
>>>lubrication and perhaps the origin of the noise. Use a long
> screwdiver
>>>like a stethescope by pressing the blade end on various suspect
> places >>(like
>>>the cam bearings) and the handle against your ear. You might be able
> to
>>>locate where the noise is originating from (loudest) Do not change
> ends
>>>of the screwdriver as injury may result. Let us know how you went cheers 
>>>roger
>>> >-- Original Message -- 
>>> >From: "Nottingham Road Giftware" <sales at nottinghamroad.com> To: 
>>> ><rovernet at lyris.ccdata.com> Date: Sun, 27 Mar 2005 02:02:29 -0800 
>>> >Subject: [ROVERNET - UK] Clickety Clat Reply-To: 
>>> >rovernet at lyris.ccdata.com Hello All. I just replaced the head on my 
>>> >TC -- Ground valves/new seats etc.
> and
>>>there
>>> > is too much valve clatter. The tappet clearances are very close to 
>>> > spec, with most right-on (within .002 off-spec worst case). Valve 
>>> > springs
> are
>>> > good. Oil ways are clear to all cam bearings etc. The car runs
> great, >> >but
>>> > the noise is getting on my nerves. I have had valve clearances way
> off
>>>in
>>> > the past and they did not make much noise. It does not seem like
> one
>>>valve,
>>> > but it is equal amongst all of them. Anybody have the same problem?
>>>Should
>>> > I ignore it and keep on motoring? Steve Lawrence 
>>> > _______________________________________________ rovernet mailing list 
>>> > rovernet at lyris.ccdata.com To unsubscribe, go to this web page, look 
>>> > near the bottom and
> follow
>>>instructions:
>>> >http://mailman.nipltd.com/mailman/listinfo/rovernet
>>>
>>> _______________________________________________ rovernet mailing list 
>>> rovernet at lyris.ccdata.com To unsubscribe, go to this web page, look near 
>>> the bottom and follow instructions: 
>>> http://mailman.nipltd.com/mailman/listinfo/rovernet
>>
>>
>>
>> _______________________________________________ rovernet mailing list 
>> rovernet at lyris.ccdata.com To unsubscribe, go to this web page, look near 
>> the bottom and follow instructions: 
>> http://mailman.nipltd.com/mailman/listinfo/rovernet
> _______________________________________________ rovernet mailing list 
> rovernet at lyris.ccdata.com To unsubscribe, go to this web page, look near 
> the bottom and follow instructions: 
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>
>
> _______________________________________________
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> rovernet at lyris.ccdata.com
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> 