X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from QMTA07.emeryville.ca.mail.comcast.net ([76.96.30.64] verified) by logan.com (CommuniGate Pro SMTP 5.2.10) with ESMTP id 3306351 for flyrotary@lancaironline.net; Tue, 18 Nov 2008 15:41:35 -0500 Received-SPF: pass receiver=logan.com; client-ip=76.96.30.64; envelope-from=n3773@comcast.net Received: from OMTA10.emeryville.ca.mail.comcast.net ([76.96.30.28]) by QMTA07.emeryville.ca.mail.comcast.net with comcast id ggwC1a0010cQ2SLA7kgzqh; Tue, 18 Nov 2008 20:41:00 +0000 Received: from rv8 ([76.27.245.14]) by OMTA10.emeryville.ca.mail.comcast.net with comcast id gkgy1a0030KMmlY8WkgyC4; Tue, 18 Nov 2008 20:40:58 +0000 X-Authority-Analysis: v=1.0 c=1 a=rITDv7nW5hcA:10 a=X-qvXo3ZUQUkXEc6xt4A:9 a=X1tD4StmitJZYY7dt8vKR-OfbWYA:4 a=si9q_4b84H0A:10 a=gi0PWCVxevcA:10 a=8lhynigd-CDzHSYCGCQA:9 a=tqIKQeMnPsyjK2laJdIA:7 a=0KN9OYW4MCUPpMK4cd-ofuSP-9QA:4 a=AfD3MYMu9mQA:10 Message-ID: <725160BA962442778AC2BB32207FAE74@rv8> Reply-To: "kevin lane" From: "kevin lane" To: "flyrotary" Subject: bolt depth Date: Tue, 18 Nov 2008 12:40:51 -0800 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_006F_01C9497A.E3AFD940" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5512 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 This is a multi-part message in MIME format. ------=_NextPart_000_006F_01C9497A.E3AFD940 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I am bolting homemade parts to my block and wanted to know any rule of = thumb for how deep a bolt has to be. does an 8mm bolt need 8mm of = thread depth? a certain number of threads? are socket head bolts as = strong as hex, at least for the intake/exhaust manifolds? when do I = use lock washers? I always wondered why Lycoming engine case halves = never had lockwashers and used std (not fine)threads.(at least mine came = that way) kevin n3773@comcast.net ------=_NextPart_000_006F_01C9497A.E3AFD940 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

I am bolting homemade parts to my = block and=20 wanted to know any rule of thumb for how deep a bolt has to be. = does an=20 8mm bolt need 8mm of thread depth? a certain number of=20 threads? are socket head bolts as strong as hex, at least for the=20 intake/exhaust manifolds? when do I use lock = washers? I=20 always wondered why Lycoming engine case halves never had = lockwashers and=20 used std (not fine)threads.(at least mine came that = way) =20 kevin n3773@comcast.net

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