Subject: [Healeys] Denis Welch Tappets Again

From: Michael MacLean <[email-masked]>
Date: Wed, 24 May 2023 05:41:51 -0700

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As I get closer to starting my 100 engine I have yet to replace the
modified Denis Welch tappets like a list member suggested I do.  I got
nervous, so I ordered a set of NOS tappets from Ahead4Healeys to swap with
the installed Welch tappets recently.  Now, searching the archives, I  find
someone had problems with NOS lifters after 6000 miles. Ruined a cam and
the lifters.  So, what am I supposed to do now?  Should I just buy
aftermarket tappets?  Are the aftermarket tappets hardened correctly?  Why
wouldn't the NOS tappets be hardened right?  I don't want to replace the
cam after I get this thing running.
Mike MacLean

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<div dir=3D"ltr"><div>As I get closer to starting my 100 engine I have yet =
to replace the modified Denis Welch tappets like a list member suggested I =
do.=C2=A0 I got nervous, so I ordered a set of NOS tappets from Ahead4Heale=
ys to swap with the installed Welch tappets recently.=C2=A0 Now, searching =
the archives, I=C2=A0 find someone had problems with NOS lifters after 6000=
 miles. Ruined a cam and the lifters.=C2=A0 So, what am I supposed to do no=
w?=C2=A0 Should I just buy aftermarket tappets?=C2=A0 Are the aftermarket t=
appets hardened correctly?=C2=A0 Why wouldn&#39;t the NOS tappets be harden=
ed right?=C2=A0 I don&#39;t want to replace the cam after I get this thing =
running.</div><div>Mike MacLean<br></div></div>

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