X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imo-d22.mx.aol.com ([205.188.144.208] verified) by logan.com (CommuniGate Pro SMTP 5.2.0) with ESMTP id 2795698 for flyrotary@lancaironline.net; Mon, 17 Mar 2008 16:04:32 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.188.144.208; envelope-from=Lehanover@aol.com Received: from Lehanover@aol.com by imo-d22.mx.aol.com (mail_out_v38_r9.3.) id q.c57.2b06d8c4 (42808) for ; Mon, 17 Mar 2008 16:03:46 -0400 (EDT) From: Lehanover@aol.com Message-ID: Date: Mon, 17 Mar 2008 16:03:46 EDT Subject: Re: [FlyRotary] Re: Port timing To: flyrotary@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1205784226" X-Mailer: Unknown sub 36 X-Spam-Flag: NO -------------------------------1205784226 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: quoted-printable The 6 port secondaries will be closing at 70 degrees (stock porting). The =20 Racing Beat "J" bridge port closes at 72 degrees (mine close at 80) and the=20= =20 Pport closes at 75 degrees. So the 6 port is quite hairy with no mods at all= . So =20 in the street car they were closed until the engine got above 4,000 RPM. The= =20 closing point of the primary (the one you ported already) will go unnoticed=20 by this engine. But the top end should be impressive. =20 Lynn E. Hanover =20 =20 =20 =20 In a message dated 3/17/2008 3:39:08 P.M. Eastern Daylight Time, =20 echristley@nc.rr.com writes: I didn't move the closing point at all on the side housings. I would=20 say that they are still at 40=B0 ABDC. I did move the closing in the =20 intermediate housing up, but I think they are almost exactly even with =20 the side housings. I'll check. 6,000RPM is my target for cruising, so the stock is probably about optimum= . **************It's Tax Time! Get tips, forms, and advice on AOL Money &=20 Finance. (http://money.aol.com/tax?NCID=3Daolprf00030000000001) -------------------------------1205784226 Content-Type: text/html; charset="ISO-8859-1" Content-Transfer-Encoding: quoted-printable
The 6 port secondaries will be closing at 70 degrees (stock porting). T= he=20 Racing Beat "J" bridge port closes at 72 degrees (mine close at 80) and the=20 Pport closes at 75 degrees. So the 6 port is quite hairy with no mods at all= . So=20 in the street car they were closed until the engine got above 4,000 RPM. The= =20 closing point of the primary (the one you ported already) will go unnoticed=20= by=20 this engine. But the top end should be impressive.
 
Lynn E. Hanover
 
 
 
In a message dated 3/17/2008 3:39:08 P.M. Eastern Daylight Time,=20 echristley@nc.rr.com writes:
<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000 size= =3D2>I didn't=20 move the closing point at all on the side housings.  I would
say=20= that=20 they are still at 40=B0 ABDC.  I did move the closing in the=20
intermediate housing up, but I think they are almost exactly even with= =20
the side housings.  I'll check.

6,000RPM is my target for=20 cruising, so the stock is probably about=20 optimum.



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