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You might get away with that without staking, but you might not. These =
are clunky castings, variation from head to head is likely. Kas used =
staking to prevent collapse. My heads were more conservative except for =
the one that came on the original engine in Peyote, which didn=E2=80=99t =
hold gaskets reliably.=20
Bill Babcock
Beach Bum
bill@ponostyle.com
https://www.Ponostyle.com
> On Apr 5, 2024, at 5:21 PM, Bob Kramer Gmail via Fot =
<fot@autox.team.net> wrote:
>=20
> on page 43 of the "triumph preparation handbook
> it says "to achieve the 11.7c.r. mill .150" from the stock cylender =
head face,use the 87mm cyl. &=20
> piston kit and a steel shim head gasket"
>=20
>=20
> A lot of us have done just that, successfully.=20
>=20
>=20
> You only get one chance at life, make it a TRIUMPH.
>=20
>> On Apr 5, 2024, at 9:58=E2=80=AFPM, tr4 via Fot <fot@autox.team.net> =
wrote:
>>=20
>> =EF=BB=BF
>> I have never had to go that far. The problem would be not the =
combustion chamber but the flat surface would be way too thin and =
collapse in short order. You would be much better off with popping the =
piston or go with a slight done to get that level of compression.
>>=20
>>=20
>>=20
>> Sent via the Samsung Galaxy S23+ 5G, an AT&T 5G smartphone
>>=20
>>=20
>> -------- Original message --------
>> From: GREGORY THOMPSON via Fot <fot@autox.team.net>
>> Date: 4/5/24 6:36 PM (GMT-06:00)
>> To: FOT Triumph <fot@autox.team.net>
>> Subject: [Fot] TR4 head milling
>>=20
>> Has anyone had an issue with breaking into a water jacket on the TR4A =
head with taking off .150?
>>=20
>> Thank you,
>>=20
>> Greg Thompson=20
>> _______________________________________________
>> fot@autox.team.net
>>=20
>> http://www.fot-racing.com
>>=20
>> Donate: http://www.team.net/donate.html
>> Archive: http://autox.team.net/archive =
http://www.team.net/pipermail/fot
>> Unsubscribe/Manage: =
http://autox.team.net/mailman/options/fot/rkramer56@gmail.com
>>=20
>>=20
> _______________________________________________
> fot@autox.team.net
>=20
> http://www.fot-racing.com
>=20
> Donate: http://www.team.net/donate.html
> Archive: http://autox.team.net/archive =
http://www.team.net/pipermail/fot
> Unsubscribe/Manage: =
http://autox.team.net/mailman/options/fot/bill@ponostyle.com
>=20
>=20
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Content-Transfer-Encoding: quoted-printable
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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;" class=3D"">You =
might get away with that without staking, but you might not. These are =
clunky castings, variation from head to head is likely. Kas used staking =
to prevent collapse. My heads were more conservative except for the one =
that came on the original engine in Peyote, which didn=E2=80=99t hold =
gaskets reliably. <br class=3D""><div class=3D"">
<div><b class=3D"">Bill Babcock</b><br class=3D""><i class=3D"">Beach =
Bum</i><br class=3D""><a href=3D"mailto:bill@ponostyle.com"; =
class=3D"">bill@ponostyle.com</a><br =
class=3D"">https://www.Ponostyle.com<br class=3D""></div>
</div>
<div><br class=3D""><blockquote type=3D"cite" class=3D""><div =
class=3D"">On Apr 5, 2024, at 5:21 PM, Bob Kramer Gmail via Fot <<a =
href=3D"mailto:fot@autox.team.net"; class=3D"">fot@autox.team.net</a>> =
wrote:</div><br class=3D"Apple-interchange-newline"><div class=3D""><meta =
http-equiv=3D"content-type" content=3D"text/html; charset=3Dutf-8" =
class=3D""><div dir=3D"auto" class=3D""><span =
style=3D"-webkit-text-size-adjust: auto; font-family: Verdana, =
Trebuchet, "Trebuchet MS", sans-serif; background-color: =
rgb(255, 255, 255);" class=3D"">on page 43 of the "triumph preparation =
handbook</span><br style=3D"-webkit-text-size-adjust: auto; font-family: =
Verdana, Trebuchet, "Trebuchet MS", sans-serif; =
background-color: rgb(255, 255, 255);" class=3D""><span =
style=3D"-webkit-text-size-adjust: auto; font-family: Verdana, =
Trebuchet, "Trebuchet MS", sans-serif; background-color: =
rgb(255, 255, 255);" class=3D"">it says "to achieve the 11.7c.r. mill =
.150" </span><span style=3D"-webkit-text-size-adjust: auto; =
font-family: Verdana, Trebuchet, "Trebuchet MS", sans-serif; =
background-color: rgb(255, 255, 255);" class=3D"">from the stock =
cylender head face,use the 87mm cyl. & </span><br =
style=3D"-webkit-text-size-adjust: auto; font-family: Verdana, =
Trebuchet, "Trebuchet MS", sans-serif; background-color: =
rgb(255, 255, 255);" class=3D""><span style=3D"-webkit-text-size-adjust: =
auto; font-family: Verdana, Trebuchet, "Trebuchet MS", =
sans-serif; background-color: rgb(255, 255, 255);" class=3D"">piston kit =
and a steel shim head gasket"</span><div class=3D""><font face=3D"Verdana,=
Trebuchet, Trebuchet MS, sans-serif" class=3D""><span =
style=3D"-webkit-text-size-adjust: auto; background-color: rgb(255, 255, =
255);" class=3D""><br class=3D""></span></font></div><div class=3D""><font=
face=3D"Verdana, Trebuchet, Trebuchet MS, sans-serif" class=3D""><span =
style=3D"-webkit-text-size-adjust: auto; background-color: rgb(255, 255, =
255);" class=3D""><br class=3D""></span></font></div><div class=3D""><font=
face=3D"Verdana, Trebuchet, Trebuchet MS, sans-serif" class=3D""><span =
style=3D"-webkit-text-size-adjust: auto; background-color: rgb(255, 255, =
255);" class=3D"">A lot of us have done just that, =
successfully. </span></font></div><div class=3D""><font =
face=3D"Verdana, Trebuchet, Trebuchet MS, sans-serif" class=3D""><span =
style=3D"-webkit-text-size-adjust: auto; background-color: rgb(255, 255, =
255);" class=3D""><br class=3D""></span></font></div><div class=3D""><font=
face=3D"Verdana, Trebuchet, Trebuchet MS, sans-serif" class=3D""><span =
style=3D"-webkit-text-size-adjust: auto; background-color: rgb(255, 255, =
255);" class=3D""><br id=3D"lineBreakAtBeginningOfSignature" =
class=3D""></span></font><div dir=3D"ltr" class=3D"">You only get one =
chance at life, make it a TRIUMPH.</div><div dir=3D"ltr" class=3D""><br =
class=3D""><blockquote type=3D"cite" class=3D"">On Apr 5, 2024, at =
9:58=E2=80=AFPM, tr4 via Fot <<a href=3D"mailto:fot@autox.team.net"; =
class=3D"">fot@autox.team.net</a>> wrote:<br class=3D""><br =
class=3D""></blockquote></div><blockquote type=3D"cite" class=3D""><div =
dir=3D"ltr" class=3D"">=EF=BB=BF<meta http-equiv=3D"Content-Type" =
content=3D"text/html; charset=3DUTF-8" class=3D""><div dir=3D"auto" =
class=3D"">I have never had to go that far. The problem would be =
not the combustion chamber but the flat surface would be way too thin =
and collapse in short order. You would be much better off with =
popping the piston or go with a slight done to get that level of =
compression.</div><div dir=3D"auto" class=3D""><br class=3D""></div><div =
dir=3D"auto" class=3D""><br class=3D""></div><div dir=3D"auto" =
class=3D""><br class=3D""></div><div id=3D"composer_signature" =
dir=3D"auto" class=3D""><div style=3D"font-size:12px;color:#575757" =
dir=3D"auto" class=3D"">Sent via the Samsung Galaxy S23+ 5G, an AT&T =
5G smartphone</div></div><div dir=3D"auto" class=3D""><br =
class=3D""></div><div class=3D""><br class=3D""></div><div align=3D"left" =
dir=3D"auto" style=3D"font-size: 100%;" class=3D""><div =
class=3D"">-------- Original message --------</div><div class=3D"">From: =
GREGORY THOMPSON via Fot <<a href=3D"mailto:fot@autox.team.net"; =
class=3D"">fot@autox.team.net</a>> </div><div class=3D"">Date: 4/5/24 =
6:36 PM (GMT-06:00) </div><div class=3D"">To: FOT Triumph <<a =
href=3D"mailto:fot@autox.team.net"; class=3D"">fot@autox.team.net</a>> =
</div><div class=3D"">Subject: [Fot] TR4 head milling </div><div =
class=3D""><br class=3D""></div></div>Has anyone had an issue with =
breaking into a water jacket on the TR4A head with taking off .150?<div =
class=3D""><br class=3D""></div><div class=3D""><div =
style=3D"font-family:Helvetica Neue, Helvetica, Arial, =
sans-serif;font-size:16px;" class=3D"ydp72b54109yahoo-style-wrap"><div =
class=3D""><div class=3D"">Thank you,</div><div class=3D""><br =
class=3D""></div><div class=3D"ydp72b54109signature">Greg =
Thompson </div></div></div></div><span =
class=3D"">_______________________________________________</span><br =
class=3D""><span class=3D""><a href=3D"mailto:fot@autox.team.net"; =
class=3D"">fot@autox.team.net</a></span><br class=3D""><span =
class=3D""></span><br class=3D""><span class=3D""><a =
href=3D"http://www.fot-racing.com"; =
class=3D"">http://www.fot-racing.com</a></span><br class=3D""><span =
class=3D""></span><br class=3D""><span class=3D"">Donate: <a =
href=3D"http://www.team.net/donate.html"; =
class=3D"">http://www.team.net/donate.html</a></span><br class=3D""><span =
class=3D"">Archive: <a href=3D"http://autox.team.net/archive"; =
class=3D"">http://autox.team.net/archive</a> <a =
href=3D"http://www.team.net/pipermail/fot"; =
class=3D"">http://www.team.net/pipermail/fot</a></span><br =
class=3D""><span class=3D"">Unsubscribe/Manage: <a =
href=3D"http://autox.team.net/mailman/options/fot/rkramer56@gmail.com"; =
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a></span><br class=3D""><span class=3D""></span><br class=3D""><span =
class=3D""></span><br =
class=3D""></div></blockquote></div></div>________________________________=
_______________<br class=3D""><a href=3D"mailto:fot@autox.team.net"; =
class=3D"">fot@autox.team.net</a><br class=3D""><br =
class=3D"">http://www.fot-racing.com<br class=3D""><br class=3D"">Donate: =
http://autox.team.net/archive http://www.team.net/pipermail/fot<br =
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class=3D""></body></html>=
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