[DeTomaso] Pushrod guideplate adjustment?? [Re-trying to get this post.]

wkooiman at earthlink.net wkooiman at earthlink.net
Tue Apr 6 00:43:55 EDT 2010


What about the rocker stud?  Have you verified it isn't bent?

Sorry to be a pain.  I'd just hate for you to spend lots of time getting it back together only to bend something else.


-----Original Message-----
>From: Dave Londry <davel at emspace.com>
>Sent: Apr 5, 2010 7:11 PM
>To: detomaso Forum <detomaso at realbig.com>
>Subject: Re: [DeTomaso] Pushrod guideplate adjustment?? [Re-trying to get this post.]
>
>
>OK I get it. Thanks guys.
>Sounds like a "measure lots - tack once" job.
>
>Will & Jack
>- both #8 rockers, all the valves and all the valve springs have been 
>replaced.
>The pushrods are as straight as my granite flat and I still need move 
>them about 0.110 closer together.
>(but that's quite a bit less than when the bent rocker was still there)
>
>dave
>
>-------------------------------------------------------------------
>Dave,
>
>I think most people actually cut the guideplates in two and retack them back together once they have the correct alignment.
>Julian (Kift)
>
>----------------------------------------------------------------------
>Actually from that picture it looks like something is bent.  It shouldn't be off by that much.
>(Will Kooiman)
>
>--------------------------------------------------------------------
>
>hemipanter at hemipanter.se wrote:
>
>Cut the guidelate in the middle and weld a washer over the connection.
>I did this 100:eds of times.
>Goran
>
>JDeRyke at aol.com wrote:
>> rockers, guide plates and pushrods- are hardened steel and cannot be 
>> straightened if even slightly bent. Matter of fact, if anything IS bent, throw it 
>> away before it breaks in two and takes out the top end or worse. It may only 
>> be a matter of visual perspective, but better to spend a couple of hours 
>> checking than find out the hard expensive way. good luck- J DeRyke
>> _______________________________________________
>>   
>> Check everything. All the parts involved- the valve stems, pivot 
>> studs, the
>-------------------------------------------------------------------------------------------------------------
>> I'm re-assembling #6143's valvetrain now and I don't see how to do
>> guideplate adjustment.
>>
>> http://www.poca.com/index.php/gallery/?g2_itemId=15138
>> The is a pre-teardown pic but it shows my question nicely.
>>
>> The roller-end of both intake and exhaust  need to be moved outward
>> (from the bore centre).
>> That means the pushrods need to be closer together.
>> Do I put more bend  in the guideplate to do that?
>>
>> thanks in advance
>> dave
>> (never did pedestals before)
>>
>> --
>> Dave Londry
>> davel at emspace.com
>>   
>
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