[DeTomaso] Valve Lash Adjusting Tool

Jerry Knotts knottsj at galstar.com
Sun Sep 28 14:24:36 EDT 2014


The other bright spot to the tool is you only have to get one had to it 
to adjust  the allen screw and hold it steady.  the wrench doesn't fall 
off and the snug procedure tells the holding hand if it is still in 
place.  No guess about any residual movement from the final tightening.

jerry knotts


On 9/28/2014 11:55 AM, Mike Drew via DeTomaso wrote:
> Charlie,
>
> I have one of these tools for my 427 Cobra and it works great.
>
> You seem to misunderstand the procedure for setting valve lash. Lash is adjusted using the Allen bolt on the inside. The position of that bolt is retained by tightening the nut on the outside.
>
> In practice, with this tool you set your valve lash, then hold the inner handle stationary to preserve the lash while using the outer handle to tighten the nut which locks it in position. If you allow the inner portion to rotate as you tighten the nut, you change the lash....
>
> Mike
>
> Sent from my iPhone
>
> On Sep 28, 2014, at 5:09, Charles McCall <charlesmccall at gmail.com> wrote:
>
>>    Has anyone used a tool like this to set their valve lash with solid
>>    lifters?
>>    [1]http://www.ebay.com/itm/COMP-CAMS-3-16-Valve-Lash-adjuster-wrench-to
>>    ol-5304-full-bore-/361063973727?pt=Motors_Car_Truck_Parts_Accessories&h
>>    ash=item541117035f&vxp=mtr
>>    A
>>    Can you tighten down the rockers sufficiently using the allen wrench
>>    without tightening the nut that sets lash? Currently, in order to
>>    tigthen the center allen bolt I need to tighten the surrounding nut as
>>    well. Despite having lived with this engine for 14 years now, I've
>>    never gotten the trick of doing this on the first shot and inevitably
>>    have to loosen and tighten several times before I can get the lash to
>>    be where I want it.
>>    A
>>    This tool would allow me to set EXACTLY the desired lash, if just
>>    tightening the allen bolt is sufficient to hold everythingin place...
>>    A
>>    Thanks!
>>
>> References
>>
>>    1. http://www.ebay.com/itm/COMP-CAMS-3-16-Valve-Lash-adjuster-wrench-tool-5304-full-bore-/361063973727?pt=Motors_Car_Truck_Parts_Accessories&hash=item541117035f&vxp=mtr
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