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] |
--===============4248087783995675295== boundary="_49fcbd12-e594-460a-858d-696e2e39d720_" --_49fcbd12-e594-460a-858d-696e2e39d720_ Content-Transfer-Encoding: quoted-printable 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_ Content-Transfer-Encoding: quoted-printable <html> <head> <style><!-- .hmmessage P { margin:0px=3B padding:0px } body.hmmessage { font-size: 12pt=3B font-family:Calibri } --></style></head> <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= .ExternalClass .ecxhmmessage P {=0A= padding:0px=3B=0A= }=0A= =0A= .ExternalClass body.ecxhmmessage {=0A= font-size:12pt=3B=0A= font-family:Calibri=3B=0A= }=0A= =0A= --></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= .ExternalClass .ecxhmmessage P {=0A= padding:0px=3B=0A= }=0A= =0A= .ExternalClass body.ecxhmmessage {=0A= 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>= --_49fcbd12-e594-460a-858d-696e2e39d720_-- --===============4248087783995675295== Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Archive: http://www.team.net/archive Healeys@autox.team.net http://autox.team.net/mailman/listinfo/healeys --===============4248087783995675295==-- |
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