| To: | Bob Spidell <bspidell@comcast.net>, Larry Varley <varley@cosmos.net.au> |
|---|---|
| Subject: | Re: [Healeys] FW: Oil again |
| From: | WILLIAM B LAWRENCE <ynotink@msn.com> |
| Date: | Tue, 30 Jun 2015 23:47:58 +0000 |
| Cc: | "healeys@autox.team.net" <healeys@autox.team.net> |
| Delivered-to: | mharc@autox.team.net |
| Delivered-to: | healeys@autox.team.net |
| Importance: | Normal |
| References: | <COL127-W45587A0F059E179148542BA4BB0@phx.gbl> <SNT149-W308B50BDDD344EF8541F02A5A30@phx.gbl> <CACPMnYq70KN1xBvLpy=AkUb+n7G_-3c2QJbn_KnE-DfuGv5ckQ@mail.gmail.com> <SNT149-W5512D6F8BE13BC328B8D62A5AF0@phx.gbl> <000001d0ae35$d1cff170$756fd450$@cosmos.net.au> <SNT149-W3632149F2DC0C17E3610B0A5AD0@phx.gbl> <558CFB58.5000607@cosmos.net.au> <SNT149-W8988C64BD609CADAD9D02CA5AC0@phx.gbl>, <1425696359.2919315.1435383226543.JavaMail.zimbra@comcast.net> FILETIME=[31C1BCE0:01D0B38F] |
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Not as I have read. The pistons come with semi-floating gudgeon pins for th=
e standard clamped rods. You can order fully floating pins for the upgraded=
rods as an option.
Bill Lawrence
Date: Sat=2C 27 Jun 2015 05:33:46 +0000
From: bspidell@comcast.net
To: ynotink@msn.com=3B varley@cosmos.net.au
CC: healeys@autox.team.net
Subject: Re: [Healeys] FW: Oil again
Read in the DW catalog years ago you have to use their con rods with their =
Pistons ... That not the case any more?
Sent from Xfinity Connect Mobile App
------ Original Message ------
From: WILLIAM B LAWRENCE
To: Larry Varley
Cc: healeys@autox.team.net
Sent: June 26=2C 2015 at 6:36 PM
Subject: Re: [Healeys] FW: Oil again=0A=
=0A=
=0A=
Larry=2C I don't think they mess with the journals so there should be no pr=
oblem there. I've seen a website for Vandervell=2C but they are probably ow=
ned by someone else now. If they maintained their old quality and if they s=
till make the right bearings they would be the go to source. As it is it's =
a crapshoot. I am going to contact them and see what they claim.
My block has been over-bored and after 13 years of service wouldn't quite c=
lean up at 88 mm. I'll be ordering the 88.5 mm pistons. I like the DW route=
because it allows them to use lighter pistons and more modern metric rings=
they say will cut down on blow-by. CR shouldn't change unless I do cut the=
pistons and then it won't increase much. I'm waiting to hear what needs to=
be done to the head. If it needs to be decked too a lot of things might ch=
ange.I haven't micced the old head gasket=2C but i'll need to compare it to=
the new one at some point. Even though I don't think I'll be driving it at=
high revs very much I'm still going to change out to the narrow drive belt=
just because I can incorporate a vibration damper.
Date: Fri=2C 26 Jun 2015 17:12:24 +1000
From: varley@cosmos.net.au
To: ynotink@msn.com
CC: healeys@autox.team.net
Subject: Re: [Healeys] FW: Oil again
=0A=
=0A=
=0A=
=0A=
=0A=
Hi Bill=2C don't let them grind the cam journals=2C it seems undersize=
=0A=
cam bearings are not obtainable. King bearings had a problem many=0A=
years ago but I believe there are no problems with them now.=0A=
Vandervell did make bearings for the 100 years ago but they would=0A=
be hard to find these days. The 100 block is very soft iron=2C my car=
=0A=
had a massive ring groove even though the engine had only done 8000=0A=
miles from new. I had it bored to 3 5/8 and sleeved it back to 3 1/2=0A=
using good quality iron liners from LA Sleeve. I used semi dished=0A=
plus 0.060 pistons from JP pistons here in Australia. They give a=0A=
final compression ratio of about 9.5 to 1. I would see no problem=0A=
with machining the top of the pistons back flush as it would only be=0A=
a very small amount. My head gasket is 0.040 thick composite=0A=
material with steel rings around the bores. As long as the pistons=0A=
are no more than flush with the top of the bore you should have no=0A=
problem.
=0A=
Hope it all works out
=0A=
Regards
=0A=
Larry Varley
=0A=
=20
=0A=
=20
=0A=
On 26/06/2015 2:33 PM=2C WILLIAM B=0A=
LAWRENCE wrote:
=0A=
=0A=
=0A=
=0A=
Thanks for the advise Larry=2C=0A=
=20
=0A=
=0A=
Yeah=2C I was wondering about the piston clearance since I=0A=
don't really know what the stock deck height is supposed to be=0A=
or how much it has been cut before. I'm planning on using=0A=
Denis Welch's 100M pistons and their MLS head gasket. I=0A=
suppose I could use a shim to clear the pistons if they are=0A=
too close=2C but that would defeat the purpose of the MLS=0A=
gasket. Instead of that I've been thinking of having the top=0A=
of the piston (ring around the pocket) cut back enough to=0A=
clear the head if necessary. The metal seems to be plenty=0A=
thick there.=0A=
=20
=0A=
=0A=
I'm planning to do several fit ups with an old gasket=0A=
(assuming the new gasket will crush to the near the same=0A=
dimension) and check for interference and clearances with some=0A=
modeling clay. I've heard there is an optimal piston to head=0A=
dimension to reduce the squish area while still allowing=0A=
clearance for rod thermal expansion. If you have any=0A=
information on that or on any other tricks or rules of thumb I=0A=
could use the info.=0A=
=20
=0A=
=0A=
I'm sending my camshaft back to Iskendarian to have it=0A=
freshened up. I really liked their grind so don't feel the=0A=
need to change.=0A=
=20
=0A=
=0A=
Checking over the engine while I was disassembling it=2C a=0A=
lot of the grime I thought was coming from gasketed joints was=0A=
actually from the copious amounts of oil running out of the=0A=
head joint. Most of my joints seemed to be successfully sealed=0A=
although I may have had a problem with the rear lip seal. I=0A=
think I overextended the garter spring while I was assembling=0A=
it. Not a lot of room for my big clumsy fingers to manipulate=0A=
the spring. I think I'll assemble it on the crank before I lay=0A=
it in the block this time. I'm always amazed when I think=0A=
about the rear cam journal being sealed by a gasket on the end=0A=
plate. It's a miracle it doesn't leak=2C but I guess most don't.=
=0A=
Extra support there would be a good thing.=0A=
=20
=0A=
=0A=
Right now I'm working on sourcing parts and I'm running=0A=
into a blank wall when I look for good quality engine=0A=
bearings. Moss has some trimetal rod bearings by King=2C but I=0A=
don't know anything about them and I would want the same for=0A=
the mains too. I'd like to find some Vandervells or similar=0A=
quality bearings=2C but all their parts lists I've seen don't=0A=
include the A90 engine.=0A=
=20
=0A=
=0A=
Again=2C thanks for your input. I'm going to need all the=0A=
help I can get.=0A=
=20
=0A=
=0A=
Oh=2C and while the engine is down I'm going to be working on=0A=
the body and interior too. A Healey has an image to uphold and=0A=
so far mine is falling short.=0A=
=20
=0A=
=0A=
Bill Lawrence=0A=
BN1 #554=0A=
=20
=0A=
=0A=
=20
=0A=
=0A=
=0A=
=20
=0A=
_______________________________________________=0A=
Archive: http://www.team.net/archive=0A=
=0A=
Healeys@autox.team.net=0A=
http://autox.team.net/mailman/listinfo/healeys=0A=
=0A=
comcast.net=0A=
=0A=
=
--_49fcbd12-e594-460a-858d-696e2e39d720_
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<body class=3D'hmmessage'><div dir=3D'ltr'>Not as I have read. The pistons =
come with semi-floating gudgeon pins for the standard clamped rods. You can=
order fully floating pins for the upgraded rods as an option.<div><br></di=
v><div>Bill Lawrence<br><br><div><hr id=3D"stopSpelling">Date: Sat=2C 27 Ju=
n 2015 05:33:46 +0000<br>From: bspidell@comcast.net<br>To: ynotink@msn.com=
=3B varley@cosmos.net.au<br>CC: healeys@autox.team.net<br>Subject: Re: [Hea=
leys] FW: Oil again<br><br><font face=3D"Helvetica">Read in the DW catalog =
years ago you have to use their con rods with their Pistons ... That not th=
e case any more?<br><br>Sent from Xfinity Connect Mobile App</font><blockqu=
ote><br>------ Original Message ------<br><br><b>From: </b>WILLIAM B LAWREN=
CE<br><b>To: </b>Larry Varley<br><b>Cc: </b>healeys@autox.team.net<br><b>Se=
nt: </b>June 26=2C 2015 at 6:36 PM<br><b>Subject: </b>Re: [Healeys] FW: Oil=
again</blockquote><blockquote>=0A=
=0A=
<style><!--=0A=
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--></style>=0A=
<div dir=3D"ltr">Larry=2C I don't think they mess with the journals so ther=
e should be no problem there. I've seen a website for Vandervell=2C but the=
y are probably owned by someone else now. If they maintained their old qual=
ity and if they still make the right bearings they would be the go to sourc=
e. As it is it's a crapshoot. I am going to contact them and see what they =
claim.<div><br></div><div>My block has been over-bored and after 13 years o=
f service wouldn't quite clean up at 88 mm. I'll be ordering the 88.5 mm pi=
stons. I like the DW route because it allows them to use lighter pistons an=
d more modern metric rings they say will cut down on blow-by. CR shouldn't =
change unless I do cut the pistons and then it won't increase much. I'm wai=
ting to hear what needs to be done to the head. If it needs to be decked to=
o a lot of things might change.I haven't micced the old head gasket=2C but =
i'll need to compare it to the new one at some point.<span style=3D"font-si=
ze:12pt=3B"> =3BEven though I don't think I'll be driving it at high re=
vs very much I'm still going to change out to the narrow drive belt just be=
cause I can incorporate a vibration damper.</span><div><div><br></div><div>=
<br><br><div><hr id=3D"ecxstopSpelling">Date: Fri=2C 26 Jun 2015 17:12:24 +=
1000<br>From: varley@cosmos.net.au<br>To: ynotink@msn.com<br>CC: healeys@au=
tox.team.net<br>Subject: Re: [Healeys] FW: Oil again<br><br>=0A=
=0A=
=0A=
=0A=
=0A=
Hi Bill=2C don't let them grind the cam journals=2C it seems undersize=
=0A=
cam bearings are not obtainable. King bearings had a problem many=0A=
years ago but I believe there are no problems with them now.=0A=
Vandervell =3B did make bearings for the 100 years ago but they wou=
ld=0A=
be hard to find these days. The 100 block is very soft iron=2C my car=
=0A=
had a massive ring groove even though the engine had only done 8000=0A=
miles from new. I had it bored to 3 5/8 and sleeved it back to 3 1/2=0A=
using good quality iron liners from LA Sleeve. I used semi dished=0A=
plus 0.060 pistons from JP pistons here in Australia. They give a=0A=
final compression ratio of about 9.5 to 1. I would see no problem=0A=
with machining the top of the pistons back flush as it would only be=0A=
a very small amount. My head gasket is 0.040 thick composite=0A=
material with steel rings around the bores. As long as the pistons=0A=
are no more than flush with the top of the bore you should have no=0A=
problem.<br>=0A=
Hope it all works out<br>=0A=
Regards<br>=0A=
Larry Varley<br>=0A=
<br>=0A=
<br>=0A=
<div class=3D"ecxmoz-cite-prefix">On 26/06/2015 2:33 PM=2C WILLIAM B=0A=
LAWRENCE wrote:<br>=0A=
</div>=0A=
<blockquote cite=3D"mid:SNT149-W3632149F2DC0C17E3610B0A5AD0@phx.gbl">=
=0A=
<style><!--=0A=
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padding:0px=3B=0A=
}=0A=
=0A=
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font-size:12pt=3B=0A=
font-family:Calibri=3B=0A=
}=0A=
=0A=
=0A=
--></style>=0A=
<div dir=3D"ltr">Thanks for the advise Larry=2C=0A=
<div><br>=0A=
</div>=0A=
<div>Yeah=2C I was wondering about the piston clearance since I=0A=
don't really know what the stock deck height is supposed to be=0A=
or how much it has been cut before. I'm planning on using=0A=
Denis Welch's 100M pistons and their MLS head gasket. I=0A=
suppose I could use a shim to clear the pistons if they are=0A=
too close=2C but that would defeat the purpose of the MLS=0A=
gasket. Instead of that I've been thinking of having the top=0A=
of the piston (ring around the pocket) cut back enough to=0A=
clear the head if necessary. The metal seems to be plenty=0A=
thick there.</div>=0A=
<div><br>=0A=
</div>=0A=
<div>I'm planning to do several fit ups with an old gasket=0A=
(assuming the new gasket will crush to the near the same=0A=
dimension) and check for interference and clearances with some=0A=
modeling clay. I've heard there is an optimal piston to head=0A=
dimension to reduce the squish area while still allowing=0A=
clearance for rod thermal expansion. If you have any=0A=
information on that or on any other tricks or rules of thumb I=0A=
could use the info.</div>=0A=
<div><br>=0A=
</div>=0A=
<div>I'm sending my camshaft back to Iskendarian to have it=0A=
freshened up. I really liked their grind so don't feel the=0A=
need to change.</div>=0A=
<div><br>=0A=
</div>=0A=
<div>Checking over the engine while I was disassembling it=2C a=0A=
lot of the grime I thought was coming from gasketed joints was=0A=
actually from the copious amounts of oil running out of the=0A=
head joint. Most of my joints seemed to be successfully sealed=0A=
although I may have had a problem with the rear lip seal. I=0A=
think I overextended the garter spring while I was assembling=0A=
it. Not a lot of room for my big clumsy fingers to manipulate=0A=
the spring. I think I'll assemble it on the crank before I lay=0A=
it in the block this time. I'm always amazed when I think=0A=
about the rear cam journal being sealed by a gasket on the end=0A=
plate. It's a miracle it doesn't leak=2C but I guess most don't.=
=0A=
Extra support there would be a good thing.</div>=0A=
<div><br>=0A=
</div>=0A=
<div>Right now I'm working on sourcing parts and I'm running=0A=
into a blank wall when I look for good quality engine=0A=
bearings. Moss has some trimetal rod bearings by King=2C but I=0A=
don't know anything about them and I would want the same for=0A=
the mains too. I'd like to find some Vandervells or similar=0A=
quality bearings=2C but all their parts lists I've seen don't=0A=
include the A90 engine.</div>=0A=
<div><br>=0A=
</div>=0A=
<div>Again=2C thanks for your input. I'm going to need all the=0A=
help I can get.</div>=0A=
<div><br>=0A=
</div>=0A=
<div>Oh=2C and while the engine is down I'm going to be working on=
=0A=
the body and interior too. A Healey has an image to uphold and=0A=
so far mine is falling short.</div>=0A=
<div><br>=0A=
</div>=0A=
<div>Bill Lawrence</div>=0A=
<div>BN1 #554</div>=0A=
<div><br>=0A=
</div>=0A=
<br>=0A=
</div>=0A=
</blockquote>=0A=
<br></div></div></div></div>
</div>=0A=
_______________________________________________=0A=
Archive: http://www.team.net/archive=0A=
=0A=
Healeys@autox.team.net=0A=
http://autox.team.net/mailman/listinfo/healeys=0A=
=0A=
comcast.net=0A=
=0A=
<br><br></blockquote></div></div>
</div></body>
</html>=
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Archive: http://www.team.net/archive
Healeys@autox.team.net
http://autox.team.net/mailman/listinfo/healeys
--===============4248087783995675295==--
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