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Re: [TR] Head Gasket Combustion Leak test kit recommendations

To: Jerry Van Vlack <jerryvvtr4a@gmail.com>
Subject: Re: [TR] Head Gasket Combustion Leak test kit recommendations
From: Sujit Roy <triumphstag@gmail.com>
Date: Sat, 3 Jan 2026 21:26:32 -0800
Cc: Triumphs <triumphs@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: triumphs@autox.team.net
References: <CANLCLaHAOBQgRF-y3fRyTgaf79NBiihxqkkK0bkpejv2jFrCHw@mail.gmail.com> <MN2PR02MB5805D9F85F2D979FF1819AB6F6BBA@MN2PR02MB5805.namprd02.prod.outlook.com>
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Thanks, I'll check them out.

On Fri, Jan 2, 2026 at 5:53=E2=80=AFAM Jerry Van Vlack <jerryvvtr4a@gmail.c=
om>
wrote:

> Hi Sujit,
>
> I have experience with these type kits and they all work basically the
> same by pulling gases up thru testing fluid and looking for a color chang=
e.
> The multiple test claims relate to the amount of fluid in the kit. You
> don't need to use much fluid for each test.
>
> Having said this you can also look for a blown head gasket by running the
> car at idle with the radiator cap off until the thermostat opens. If when
> it opens you only observe coolant flowing you're good. If coolant gets
> blown out of the radiator instead of flowing that's a good indication of =
a
> head gasket issue.
>
> I personally like the kits with the tube and rubber bulb like this one
> Amazon.com: Block Tester BT-500 Head Gasket Combustion Leak Test Kit -
> Made in USA : Automotive
> <https://www.amazon.com/Block-Tester-BT-500-Combustion-Leak/dp/B06VVBSFTF=
/ref=3Dsr_1_3?crid=3DB5BELSHHE2V2&dib=3DeyJ2IjoiMSJ9.1SS7r-3wwU3Nafy7CtM28I=
yi1UFhNYzuKm6VozhuZB6JmphoiObY7ydUAVFRDJojItaOxcsoWSJOvF8VBksGnRIxMIY8JVoJ9=
2Yz3lzAb3CxD4OwrAmEZEhMSthI5Fm5zY-HNM03FtUtQ3dlNeZniiIaxbMX-RhJaMXo76JKRKe0=
AW4xxTjRscAG_XLxI3CAFfugOzofA4g-QoKmlQ79-sAGUEaRvYde6fnFW1zmzhM.by9KSQykThD=
Uhsy3KNVjbccVNlPYLqEa5Qd-tQDGSlo&dib_tag=3Dse&keywords=3Dcombustion+gas+tes=
ter+for+coolant&qid=3D1767361665&sprefix=3DCombustion+gas+%2Caps%2C3537&sr=
=3D8-3>
>
> You might be able to purchase a similar kit from your local auto parts
> store.
>
> Hope this helps
>
> JVV
> ------------------------------
> *From:* Triumphs <triumphs-bounces@autox.team.net> on behalf of Sujit Roy
> <triumphstag@gmail.com>
> *Sent:* Thursday, January 1, 2026 7:10 PM
> *To:* Triumphs <triumphs@autox.team.net>
> *Subject:* [TR] Head Gasket Combustion Leak test kit recommendations
>
> I see kits on Amazon priced anywhere from 20$ up. I dont plan to test my
> engine 50-100 times. What is a good inexpensive kit folks like to use.
>
> Sujit
>
> --
> Sujit Roy
> Cupertino, California
>
> https://triumphstagblog.wordpress.com/
>
>

--=20
Sujit Roy
Cupertino, California

https://triumphstagblog.wordpress.com/

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<div dir=3D"ltr">Thanks, I&#39;ll check them out.=C2=A0</div><br><div class=
=3D"gmail_quote gmail_quote_container"><div dir=3D"ltr" class=3D"gmail_attr=
">On Fri, Jan 2, 2026 at 5:53=E2=80=AFAM Jerry Van Vlack &lt;<a href=3D"mai=
lto:jerryvvtr4a@gmail.com">jerryvvtr4a@gmail.com</a>&gt; wrote:<br></div><b=
lockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-le=
ft:1px solid rgb(204,204,204);padding-left:1ex"><div class=3D"msg-316860303=
3195037217">




<div dir=3D"ltr">
<div style=3D"font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Cali=
bri,Helvetica,sans-serif;font-size:11pt;color:rgb(0,0,0)">
Hi Sujit,</div>
<div style=3D"font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Cali=
bri,Helvetica,sans-serif;font-size:11pt;color:rgb(0,0,0)">
<br>
</div>
<div style=3D"font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Cali=
bri,Helvetica,sans-serif;font-size:11pt;color:rgb(0,0,0)">
I have experience with these type kits and they all work basically the same=
 by pulling gases up thru testing fluid and looking for a color change. The=
 multiple test claims relate to the amount of fluid in the kit. You don&#39=
;t need to use much fluid for each test.</div>
<div style=3D"font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Cali=
bri,Helvetica,sans-serif;font-size:11pt;color:rgb(0,0,0)">
<br>
</div>
<div style=3D"font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Cali=
bri,Helvetica,sans-serif;font-size:11pt;color:rgb(0,0,0)">
Having said this you can also look for a blown head gasket by running the c=
ar at idle with the radiator cap off until the thermostat opens. If when it=
 opens you only observe coolant flowing you&#39;re good. If coolant gets bl=
own out of the radiator instead of flowing
 that&#39;s a good indication of a head gasket issue.</div>
<div style=3D"font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Cali=
bri,Helvetica,sans-serif;font-size:11pt;color:rgb(0,0,0)">
<br>
</div>
<div style=3D"font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Cali=
bri,Helvetica,sans-serif;font-size:11pt;color:rgb(0,0,0)">
I personally like the kits with the tube and rubber bulb like this one</div=
>
<div style=3D"font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Cali=
bri,Helvetica,sans-serif;font-size:11pt;color:rgb(0,0,0)">
<a id=3D"m_-3168603033195037217OWAbe913c96-9619-26b6-9cfa-ea5cb47b9938" hre=
f=3D"https://www.amazon.com/Block-Tester-BT-500-Combustion-Leak/dp/B06VVBSF=
TF/ref=3Dsr_1_3?crid=3DB5BELSHHE2V2&amp;dib=3DeyJ2IjoiMSJ9.1SS7r-3wwU3Nafy7=
CtM28Iyi1UFhNYzuKm6VozhuZB6JmphoiObY7ydUAVFRDJojItaOxcsoWSJOvF8VBksGnRIxMIY=
8JVoJ92Yz3lzAb3CxD4OwrAmEZEhMSthI5Fm5zY-HNM03FtUtQ3dlNeZniiIaxbMX-RhJaMXo76=
JKRKe0AW4xxTjRscAG_XLxI3CAFfugOzofA4g-QoKmlQ79-sAGUEaRvYde6fnFW1zmzhM.by9KS=
QykThDUhsy3KNVjbccVNlPYLqEa5Qd-tQDGSlo&amp;dib_tag=3Dse&amp;keywords=3Dcomb=
ustion+gas+tester+for+coolant&amp;qid=3D1767361665&amp;sprefix=3DCombustion=
+gas+%2Caps%2C3537&amp;sr=3D8-3" target=3D"_blank">Amazon.com:
 Block Tester BT-500 Head Gasket Combustion Leak Test Kit - Made in USA : A=
utomotive</a></div>
<div style=3D"font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Cali=
bri,Helvetica,sans-serif;font-size:11pt;color:rgb(0,0,0)">
<br>
</div>
<div style=3D"font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Cali=
bri,Helvetica,sans-serif;font-size:11pt;color:rgb(0,0,0)">
You might be able to purchase a similar kit from your local auto parts stor=
e.</div>
<div style=3D"font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Cali=
bri,Helvetica,sans-serif;font-size:11pt;color:rgb(0,0,0)">
<br>
</div>
<div style=3D"font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Cali=
bri,Helvetica,sans-serif;font-size:11pt;color:rgb(0,0,0)">
Hope this helps</div>
<div style=3D"font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Cali=
bri,Helvetica,sans-serif;font-size:11pt;color:rgb(0,0,0)">
<br>
</div>
<div style=3D"font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Cali=
bri,Helvetica,sans-serif;font-size:11pt;color:rgb(0,0,0)">
JVV</div>
<div id=3D"m_-3168603033195037217appendonsend"></div>
<hr style=3D"display:inline-block;width:98%">
<div id=3D"m_-3168603033195037217divRplyFwdMsg" dir=3D"ltr"><font face=3D"C=
alibri, sans-serif" style=3D"font-size:11pt" color=3D"#000000"><b>From:</b>=
 Triumphs &lt;<a href=3D"mailto:triumphs-bounces@autox.team.net"; target=3D"=
_blank">triumphs-bounces@autox.team.net</a>&gt; on behalf of Sujit Roy &lt;=
<a href=3D"mailto:triumphstag@gmail.com"; target=3D"_blank">triumphstag@gmai=
l.com</a>&gt;<br>
<b>Sent:</b> Thursday, January 1, 2026 7:10 PM<br>
<b>To:</b> Triumphs &lt;<a href=3D"mailto:triumphs@autox.team.net"; target=
=3D"_blank">triumphs@autox.team.net</a>&gt;<br>
<b>Subject:</b> [TR] Head Gasket Combustion Leak test kit recommendations</=
font>
<div>=C2=A0</div>
</div>
<div>
<div dir=3D"ltr">
<div>I see kits on Amazon priced anywhere from 20$ up. I dont=C2=A0plan to =
test my engine 50-100 times. What is a good inexpensive=C2=A0kit folks=C2=
=A0like to use.</div>
<div><br>
</div>
<div>Sujit</div>
<div><br>
</div>
<span>-- </span><br>
<div dir=3D"ltr">
<div dir=3D"ltr">
<div>Sujit Roy<br>
Cupertino, California</div>
<div><br>
<a href=3D"https://triumphstagblog.wordpress.com/"; target=3D"_blank">https:=
//triumphstagblog.wordpress.com/</a><br>
<br>
</div>
</div>
</div>
</div>
</div>
</div>

</div></blockquote></div><div><br clear=3D"all"></div><div><br></div><span =
class=3D"gmail_signature_prefix">-- </span><br><div dir=3D"ltr" class=3D"gm=
ail_signature"><div dir=3D"ltr"><div>Sujit Roy<br>Cupertino, California</di=
v><div><br><a href=3D"https://triumphstagblog.wordpress.com/"; target=3D"_bl=
ank">https://triumphstagblog.wordpress.com/</a><br><br></div></div></div>

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