[T2] valve adjustment so it is 1.5 or 2 turns ??

[T2] valve adjustment so it is 1.5 or 2 turns ??

doktortim at rockisland.com doktortim at rockisland.com
Mon Nov 25 17:35:14 MST 2013


1 turn will do, if your lifers are in good order. Allways sink them in oil
and pump them up before install as standard procedure. Then run them 50
miles and recheck/set them. Then recheck/set them every 50k.

> 2 turns.
>
> Jon Stiles
>
>
> On Mon, Nov 25, 2013 at 12:14 PM, John Anderson
> <wvukidsdoc at yahoo.com>wrote:
>
>> I'll tend to agree that I haven't noted any sound differences with them,
>> if they aren't old and leaking down, they are quiet, and even the old
>> ones
>> quiet out, eventually.  But in the world of many aftermarket parts of
>> many
>> manufacturers, I will say, odd things happen to compression when
>> adjusted a
>> full 2 turns, with SOME lifters.  Since you can run em all the way
>> extended
>> for a short time to pump them up to adjust (an old, old technique, which
>> works but has dubious benefit) I figure I'll err to a little less
>> contact
>> now days, and not risk them holding things open.
>>
>> I don't understand the mechanism by which that happens BTW.  Some brands
>> had a much smaller bleeder/pressure hole in the side, perhaps those are
>> the
>> ones where it happens, but I do know cranking compression can suffer
>> when
>> too far adjusted, even still within what should easily be bounds of the
>> lifter adjustement, and should still be riding on the cushion of oil.
>> Don't know how, don't know why, I don't even figure it is possible, but
>> it
>> happens.
>>
>> YMMV.
>> John
>>
>>
>> ________________________________
>>  From: DurocShark <durocshark at gmail.com>
>> To: Joe St.Croix <spotop at gmail.com>
>> Cc: John Anderson <wvukidsdoc at yahoo.com>; type2 List <type2 at type2.com>
>> Sent: Sunday, November 24, 2013 11:28 AM
>> Subject: Re: [T2] valve adjustment so it is 1.5 or 2 turns ??
>>
>>
>>
>> I find this odd. Hydraulics should be dead silent no matter what. If
>> they
>> aren't, either they aren't fully pumped up with oil, or they're fully
>> extended which is very bad.
>>
>>
>>
>>
>>
>>
>> On Sun, Nov 24, 2013 at 11:03 AM, Joe St.Croix <spotop at gmail.com> wrote:
>>
>> when I had a 78 with hyds, I tested the variables and I learned that,
>> 1.5
>> >turns is louder and runs cooler, 2 turns is way quiet but runs a little
>> >hotter, being in Massachusetts, I went with the 2 turns. If I were in
>> the
>> >southwest Id go with the 1.5, my 2 cents
>> >
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