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Re: [Fot] abradable coatings

To: tr4racing@googlemail.com
Subject: Re: [Fot] abradable coatings
From: Bob Kramer via Fot <fot@autox.team.net>
Date: Wed, 6 Oct 2021 16:10:04 -0500
Cc: Fot <fot@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: fot@autox.team.net
References: <CABFvdWuXt4=jaCpDBH9YNWiBGCVyV3CDbTT=eN=FhufHHiqKXA@mail.gmail.com> <003401d7baed$b485ebd0$1d91c370$@gmail.com>
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Chris

I weighed the Wisecos and compared them to some Malhe cast pistons I had.
I'm doing this off memot but I think I weighed them with wrist pins but
without rings.  The Wisecos were about a US pound and the cast Mahles 1.3
pounds. The wrist pins on the cast ones are heavier than the ones that came
with the Wiseco's.  How much lighter are the custom Malhe's?

Bob Kramer


On Wed, Oct 6, 2021 at 3:06 PM <tr4racing@googlemail.com> wrote:

> See the photos of the Wiseco pistons with coating to overcome the
> shrinking.
>
>
>
> And the difference between Wiseco and Mahle.
>
>
>
> Cheers
>
> Chris
>
>
>
>
>
>
>
>
>
> *Von:* tr4racing@gmail.com <tr4racing@gmail.com>
> *Gesendet:* Mittwoch, 6. Oktober 2021 21:54
> *An:* 'Bob Kramer' <rkramer56@gmail.com>
> *Cc:* 'fot@autox.team.net' <fot@autox.team.net>
> *Betreff:* AW: [Fot] abradable coatings
>
>
>
> I did this once with also a set of Wiseco pistons.
>
> I had cross scuffing on all 4 pistons, because the pistons expanded to
> much to the wrong direction.
>
> I did use the coated pistons and replaced them with Mahle custom made
> pistons, which are lighter and never scuffed .
>
> I use the Mahle set since 10 years now.
>
>
>
> Cheers
>
> Chris
>
>
>
>
>
> *Von:* Fot <fot-bounces@autox.team.net> *Im Auftrag von *Bob Kramer via
> Fot
> *Gesendet:* Mittwoch, 6. Oktober 2021 17:27
> *An:* Fot <fot@autox.team.net>
> *Betreff:* [Fot] abradable coatings
>
>
>
> Has anyone used this company on a wet liner engine like a TR4? I have a
> set of scuffed Wieseco pistons that could be rescued with a skirt coating
> and the company says it will work.
>
>
>
> The coatings can be applied very thick and sometimes provide an
> interference fit when a device is assembled. During initial operation, th=
e
> coating breaks in to form a perfect fit between mating parts. Controlled
> abrasion even accounts for thermal and torque related distortions in
> components as the coating wears in. Once the optimum fit is achieved,
> stresses on the coating are reduced and the break-in process stops.
> Durable, low friction, anti-scuff properties of the coating maintain
> tighter operating clearances and higher efficiency for the life of the
> device.
>
>
>
>
>
> https://www.line2linecoatings.com/
>
>
> Armor Clearance Control=E2=84=A2 (Armor CC=E2=84=A2)
> For building diametric thickness 0.002" to 0.020" - our hardest skirt
> coating.
>
>
>
> [image: Das Bild wurde vom Absender entfernt.] [image: Das Bild wurde vom
> Absender entfernt.]
>
>
>
> Extreme wear resistance provides lasting enlargement of piston skirt
> dimensions. Recommended for restoring clearances where they have opened u=
p
> from skirt collapse, wear, clean-up honing or other.
>
> Race proven durability in NHRA PRO-MOD. Coating can be topped with Slick
> CC=E2=84=A2 for the ultimate fit and lubricity.
>
> *Recommended for 2 strokes and 4 strokes.*
> ADVANTAGES:
>
>    - *Restores and Holds Clearances*
>
>
> Bob Kramer
>

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<div dir=3D"ltr">Chris<div><br></div><div>I weighed the Wisecos and compare=
d them to some Malhe cast pistons I had. I&#39;m doing this off memot but I=
 think I weighed them with wrist=C2=A0pins but without rings.=C2=A0 The Wis=
ecos were about a US pound and the cast Mahles 1.3 pounds. The wrist pins o=
n the cast ones are heavier than the ones that came with the Wiseco&#39;s.=
=C2=A0 How much lighter are the custom Malhe&#39;s?</div><div><br></div><di=
v>Bob Kramer<br><br></div></div><br><div class=3D"gmail_quote"><div dir=3D"=
ltr" class=3D"gmail_attr">On Wed, Oct 6, 2021 at 3:06 PM &lt;<a href=3D"mai=
lto:tr4racing@googlemail.com">tr4racing@googlemail.com</a>&gt; wrote:<br></=
div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;bor=
der-left:1px solid rgb(204,204,204);padding-left:1ex"><div lang=3D"EN-US" s=
tyle=3D"overflow-wrap: break-word;"><div class=3D"gmail-m_84949126561924157=
20WordSection1"><p class=3D"MsoNormal">See the photos of the Wiseco pistons=
 with coating to overcome the shrinking.<u></u><u></u></p><p class=3D"MsoNo=
rmal"><u></u>=C2=A0<u></u></p><p class=3D"MsoNormal">And the difference bet=
ween Wiseco and Mahle.<u></u><u></u></p><p class=3D"MsoNormal"><u></u>=C2=
=A0<u></u></p><p class=3D"MsoNormal">Cheers<u></u><u></u></p><p class=3D"Ms=
oNormal">Chris<u></u><u></u></p><p class=3D"MsoNormal"><u></u>=C2=A0<u></u>=
</p><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p><p class=3D"MsoNormal"><=
u></u>=C2=A0<u></u></p><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p><div>=
<div style=3D"border-right:none;border-bottom:none;border-left:none;border-=
top:1pt solid rgb(225,225,225);padding:3pt 0cm 0cm"><p class=3D"MsoNormal">=
<b><span lang=3D"DE">Von:</span></b><span lang=3D"DE"> <a href=3D"mailto:tr=
4racing@gmail.com" target=3D"_blank">tr4racing@gmail.com</a> &lt;<a href=3D=
"mailto:tr4racing@gmail.com"; target=3D"_blank">tr4racing@gmail.com</a>&gt; =
<br><b>Gesendet:</b> Mittwoch, 6. Oktober 2021 21:54<br><b>An:</b> &#39;Bob=
 Kramer&#39; &lt;<a href=3D"mailto:rkramer56@gmail.com"; target=3D"_blank">r=
kramer56@gmail.com</a>&gt;<br><b>Cc:</b> &#39;<a href=3D"mailto:fot@autox.t=
eam.net" target=3D"_blank">fot@autox.team.net</a>&#39; &lt;<a href=3D"mailt=
o:fot@autox.team.net" target=3D"_blank">fot@autox.team.net</a>&gt;<br><b>Be=
treff:</b> AW: [Fot] abradable coatings<u></u><u></u></span></p></div></div=
><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p><p class=3D"MsoNormal">I di=
d this once with also a set of Wiseco pistons.<u></u><u></u></p><p class=3D=
"MsoNormal">I had cross scuffing on all 4 pistons, because the pistons expa=
nded to much to the wrong direction.<u></u><u></u></p><p class=3D"MsoNormal=
">I did use the coated pistons and replaced them with Mahle custom made pis=
tons, which are lighter and never scuffed .<u></u><u></u></p><p class=3D"Ms=
oNormal">I use the Mahle set since 10 years now.<u></u><u></u></p><p class=
=3D"MsoNormal"><u></u>=C2=A0<u></u></p><p class=3D"MsoNormal">Cheers<u></u>=
<u></u></p><p class=3D"MsoNormal">Chris<u></u><u></u></p><p class=3D"MsoNor=
mal"><u></u>=C2=A0<u></u></p><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p=
><div style=3D"border-right:none;border-bottom:none;border-left:none;border=
-top:1pt solid rgb(225,225,225);padding:3pt 0cm 0cm"><p class=3D"MsoNormal"=
><b><span lang=3D"DE">Von:</span></b><span lang=3D"DE"> Fot &lt;<a href=3D"=
mailto:fot-bounces@autox.team.net"; target=3D"_blank">fot-bounces@autox.team=
.net</a>&gt; <b>Im Auftrag von </b>Bob Kramer via Fot<br><b>Gesendet:</b> M=
ittwoch, 6. Oktober 2021 17:27<br><b>An:</b> Fot &lt;<a href=3D"mailto:fot@=
autox.team.net" target=3D"_blank">fot@autox.team.net</a>&gt;<br><b>Betreff:=
</b> [Fot] abradable coatings<u></u><u></u></span></p></div><p class=3D"Mso=
Normal"><u></u>=C2=A0<u></u></p><div><div><p class=3D"MsoNormal">Has anyone=
 used this company on a wet liner engine like a TR4? I have a set of scuffe=
d Wieseco=C2=A0pistons that could be rescued with a skirt coating and the c=
ompany says it will work.=C2=A0<u></u><u></u></p></div><div><p class=3D"Mso=
Normal"><u></u>=C2=A0<u></u></p></div><div><p class=3D"MsoNormal"><span sty=
le=3D"font-size:10.5pt;font-family:Helvetica,sans-serif;color:rgb(85,85,85)=
;background:rgb(250,250,250)">The coatings can be applied very thick and so=
metimes provide an interference fit when a device is assembled. During init=
ial operation, the coating breaks in to form a perfect fit between mating p=
arts. Controlled abrasion even accounts for thermal and torque related dist=
ortions in components as the coating wears in. Once the optimum fit is achi=
eved, stresses on the coating are reduced and the break-in process stops. D=
urable, low friction, anti-scuff properties of the coating maintain tighter=
 operating clearances and higher efficiency for the life of the device.</sp=
an><u></u><u></u></p></div><div><p class=3D"MsoNormal"><u></u>=C2=A0<u></u>=
</p></div><div><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p></div><div><p=
 class=3D"MsoNormal"><a href=3D"https://www.line2linecoatings.com/"; target=
=3D"_blank">https://www.line2linecoatings.com/</a><u></u><u></u></p></div><=
div><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p></div><div><h2 style=3D"=
margin-right:0cm;margin-bottom:7.5pt;margin-left:0cm;line-height:30pt"><spa=
n style=3D"font-size:16.5pt;font-family:&quot;Droid Sans&quot;,serif;color:=
rgb(64,64,64)">Armor Clearance Control=E2=84=A2 (Armor CC=E2=84=A2)<u></u><=
u></u></span></h2><div style=3D"border:1pt solid white;padding:14pt;margin-=
top:15pt;margin-bottom:15pt;min-height:20px;border-radius:0px;outline:rgb(2=
04,204,204) solid 1px"><h3 align=3D"center" style=3D"margin-right:0cm;margi=
n-bottom:7.5pt;margin-left:0cm;text-align:center;line-height:30pt;backgroun=
d:rgb(255,255,242)"><span style=3D"font-family:&quot;Droid Sans&quot;,serif=
;color:rgb(64,64,64)">For building diametric thickness 0.002&quot; to 0.020=
&quot; - our hardest skirt coating.<u></u><u></u></span></h3><p class=3D"Ms=
oNormal" style=3D"background:rgb(255,255,242)"><span style=3D"color:black">=
=C2=A0</span><u></u><u></u></p><p class=3D"MsoNormal" align=3D"center" styl=
e=3D"text-align:center;background:rgb(255,255,242)"><span style=3D"color:bl=
ack;border:1pt solid windowtext;padding:0cm"><img border=3D"0" width=3D"100=
" height=3D"100" style=3D"width: 1.0416in; height: 1.0416in;" id=3D"gmail-m=
_8494912656192415720Bild_x0020_1" src=3D"cid:17c576c3f8b4ce8e91" alt=3D"Das=
 Bild wurde vom Absender entfernt."></span><span style=3D"color:black">=C2=
=A0<span style=3D"border:1pt solid windowtext;padding:0cm"><img border=3D"0=
" width=3D"100" height=3D"100" style=3D"width: 1.0416in; height: 1.0416in;"=
 id=3D"gmail-m_8494912656192415720Bild_x0020_2" src=3D"cid:17c576c3f8b4ce8e=
91" alt=3D"Das Bild wurde vom Absender entfernt."></span></span><u></u><u><=
/u></p><p class=3D"MsoNormal" style=3D"background:rgb(255,255,242)"><span s=
tyle=3D"color:black">=C2=A0</span><u></u><u></u></p><p style=3D"margin-righ=
t:0cm;margin-bottom:7.5pt;margin-left:0cm;line-height:18pt;background:rgb(2=
55,255,242)"><span style=3D"font-size:9pt;font-family:Helvetica,sans-serif;=
color:rgb(85,85,85)">Extreme wear resistance provides lasting enlargement o=
f piston skirt dimensions. Recommended for restoring clearances where they =
have opened up from skirt collapse, wear, clean-up honing or other.<u></u><=
u></u></span></p><p style=3D"margin-right:0cm;margin-bottom:7.5pt;margin-le=
ft:0cm;line-height:18pt;background:rgb(255,255,242)"><span style=3D"font-si=
ze:9pt;font-family:Helvetica,sans-serif;color:rgb(85,85,85)">Race proven du=
rability in NHRA PRO-MOD. Coating can be topped with Slick CC=E2=84=A2 for =
the ultimate fit and lubricity.<u></u><u></u></span></p><p style=3D"margin-=
right:0cm;margin-bottom:7.5pt;margin-left:0cm;line-height:18pt;background:r=
gb(255,255,242)"><em><span style=3D"font-size:9pt;font-family:Helvetica,san=
s-serif;color:rgb(85,85,85)">Recommended for 2 strokes and 4 strokes.</span=
></em><span style=3D"font-size:9pt;font-family:Helvetica,sans-serif;color:r=
gb(85,85,85)"><u></u><u></u></span></p><h2 style=3D"margin-right:0cm;margin=
-bottom:7.5pt;margin-left:0cm;line-height:30pt;background:rgb(255,255,242)"=
><span style=3D"font-size:16.5pt;font-family:&quot;Droid Sans&quot;,serif;c=
olor:rgb(64,64,64)">ADVANTAGES:<u></u><u></u></span></h2><ul style=3D"margi=
n-top:0cm" type=3D"disc"><li class=3D"MsoNormal" style=3D"color:rgb(85,85,8=
5);margin-top:4.5pt;margin-bottom:4.5pt;line-height:15pt;background:rgb(255=
,255,242)"><strong><span style=3D"font-size:9pt;font-family:Helvetica,sans-=
serif">Restores and Holds Clearances</span></strong><span style=3D"font-siz=
e:9pt;font-family:Helvetica,sans-serif"><u></u><u></u></span></li></ul></di=
v></div><p class=3D"MsoNormal"><br clear=3D"all"><u></u><u></u></p><div><di=
v><div><p class=3D"MsoNormal">Bob Kramer<u></u><u></u></p></div></div></div=
></div></div></div></blockquote></div>

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