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<span style=3D"font-family: helvetica; font-size: 10pt;">Hello guys!</sp=
an>
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tica, arial, sans-serif; color: #000000;">
<span style=3D"font-family: helvetica; font-size: 10pt;">First let me sa=
y that I am not a Healey guy, but don't count me out altogether!</span>
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tica, arial, sans-serif; color: #000000;">
<span style=3D"font-family: helvetica; font-size: 10pt;">All my cars hav=
e Flat Tappet / Bucket engines, a Alfa Romeo Montreal, a Ferrari 308 and al=
so a Jaguar XK120. The first 2 have V8 engines, and the Jaguar has a straig=
ht 6. But all of them share one thing in common. All have Lifters with Flat=
Tops.</span>
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tica, arial, sans-serif; color: #000000;">
<span style=3D"font-family: helvetica; font-size: 10pt;">I have been usi=
ng Valvoline VR1 with Zinc in it and even using a Zinc Additive (ZDDP). Thi=
s is one ingredient missing from a lot of oils available today and an absol=
ute must for Flat Tappet engines.</span>
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tica, arial, sans-serif; color: #000000;">
<span style=3D"font-family: helvetica; font-size: 10pt;">Sorry to come i=
n here late to the party, but I'm just throwing it out there to consider if=
you haven't already done so. Good luck!</span>
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tica, arial, sans-serif; color: #000000;">
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tica, arial, sans-serif; color: #000000;">
<span style=3D"font-family: helvetica; font-size: 10pt;">Karl Robertson<=
/span>
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tica, arial, sans-serif; color: #000000;">
<span style=3D"font-family: helvetica; font-size: 10pt;">Michigan, USA.<=
/span>
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On 10/09/2025 12:44 PM EDT Stephen Hutchings <<a href=3D"mailto:s.hu=
tchings@rogers.com">s.hutchings@rogers.com</a>> wrote:
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When I had my cam ground during the restoration, the machine shop recom=
mended that I have the original lifters resurfaced and hardened, rather tha=
n buy replacements.
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This is going back a few years and there are now more options available=
. Some of those lifters pitted after 5, or 6 thousand miles, and some looke=
d fine.
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I decided that the ones that pitted were not hardened properly=E2=80=A6=
an assumption I know!
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I corresponded with Mike Salter who was having lifter problems of his o=
wn, and in the end I replaced the whole set with the modified ones from AH =
spares because I no longer trusted the re-hardened set- and also removed th=
e inner valve springs.
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After a few hundred miles the new lifters looked OK, but I=E2=80=99m ab=
out to check them again, this time after a couple of thousand miles.
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I=E2=80=99ve been doing a lot of reading about bucket lifters, tubular =
push rods, etc. and it seems that some people are saying the current replac=
ement lifters are wearing prematurely because they are not domed properly a=
nd aren=E2=80=99t rotating.
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Just to add to the confusion, when I removed the set that were pitting,=
I could see by the pattern on the wear surface that indeed some didn=E2=80=
=99t seem to be rotating, but had no visible wear, whereas the worn ones se=
emed to be rotating.
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What I=E2=80=99m throwing out to the list is - I wonder if anyone has e=
xperience with the tubular pushrod/ bucket lifter combination=E2=80=A6or an=
y other alternatives.
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I don=E2=80=99t know what I=E2=80=99m going to find after a couple of t=
housand mikes, but I=E2=80=99d like to be ready with a strategy if there=E2=
=80=99s a problem.
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And Mike, if you=E2=80=99re monitoring the list, what kind of lifters d=
id you use in the end?
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Thanks,
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Stephen, BJ8
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