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Maybe a bucket of BarsLeaks =F0=9F=A4=A3=F0=9F=A4=A3=F0=9F=A4=A3
On Mon., Jan. 25, 2021, 9:28 a.m. Michael Oritt, <michael.oritt@gmail.com>
wrote:
> Probably blown gasket at the 3-4 bridge. My original head suffered from
> erosion of the metal at the 1-2 bridge, allowing the gasket to blow. I h=
ad
> it built up enough to work for a while but eventually replaced the head
> with a DWR AL model.
>
> Best--Michael Oritt
>
> On Mon, Jan 25, 2021 at 4:55 AM Alan Seigrist <healey.nut@gmail.com>
> wrote:
>
>> All -
>>
>> My A90 just started running weird. So I took a compression tester and
>> I'm getting (note the A90 is lower compression than the 100):
>>
>> 1 - 135 psi
>> 2 - 135 psi
>> 3 - 60 psi
>> 4 - 60 psi
>>
>> When I put the compression tester on number 3, I get blow back through #=
4
>> spark plug port. Then when I put it on #4 I get blow back through the #=
3
>> spark plug port.
>>
>> Seems to me it's just a blown head gasket.... am I correct? as far as
>> I'm aware, these heads usually crack between 2 & 3, correct?
>>
>> TIA
>>
>> Alan
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<div dir=3D"auto">Maybe a bucket of BarsLeaks =F0=9F=A4=A3=F0=9F=A4=A3=F0=
=9F=A4=A3</div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gma=
il_attr">On Mon., Jan. 25, 2021, 9:28 a.m. Michael Oritt, <<a href=3D"ma=
ilto:michael.oritt@gmail.com">michael.oritt@gmail.com</a>> wrote:<br></d=
iv><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left=
:1px #ccc solid;padding-left:1ex"><div dir=3D"ltr"><div class=3D"gmail_defa=
ult" style=3D"color:#3333ff">Probably blown gasket at the 3-4 bridge.=C2=A0=
My original head suffered from erosion of the metal at the 1-2 bridge, all=
owing the gasket to blow.=C2=A0 I had it built up enough to work for a whil=
e=C2=A0but eventually replaced the head with a DWR AL model.=C2=A0=C2=A0</d=
iv><div class=3D"gmail_default" style=3D"color:#3333ff"><br></div><div clas=
s=3D"gmail_default" style=3D"color:#3333ff">Best--Michael Oritt</div></div>=
<br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Mon=
, Jan 25, 2021 at 4:55 AM Alan Seigrist <<a href=3D"mailto:healey.nut@gm=
ail.com" target=3D"_blank" rel=3D"noreferrer">healey.nut@gmail.com</a>> =
wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0=
px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir=
=3D"ltr">All -<div><br></div><div>My A90 just started running weird.=C2=A0 =
So I took a compression tester and I'm getting (note the A90 is lower c=
ompression than the 100):<br><br>1 - 135 psi<br>2 - 135 psi</div><div>3 - 6=
0 psi</div><div>4 - 60 psi</div><div><br></div><div>When I put the compress=
ion tester on number 3, I get blow back through #4 spark plug port.=C2=A0 T=
hen when I put it on #4 I get blow back through the #3 spark plug port.<br>=
<br>Seems to me it's just a blown head gasket.... am I correct?=C2=A0 a=
s far as I'm aware, these heads usually crack between 2 & 3, correc=
t?</div><div><br></div><div>TIA<br><br>Alan</div></div>
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