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New Pistons Valve relief machined to edge is this OK? #921671 02/05/11 07:17 PM 02/05/11 07:17 PM
Joined: Jan 2008 Posts: 299 East Brunswick, NJ F finadk OP enthusiast
finadk OP enthusiast F Joined: Jan 2008 Posts: 299 East Brunswick, NJ	I am assembling my 408 Stroker. These are custom made Ross Pistons and the valve relief's on all 8 are machined right to the edge of the piston. On three of them it is so close that it is below the top of the piston. Is this ok? I will call Ross on Monday but figured i would get a response here pretty quick. URL=http://rides.webshots.com/photo/2781308980028738248kQYVTF][/URL] URL=http://rides.webshots.com/photo/2631684570028738248IHvAMP][/URL] 6459001-RossEdge2.JPG (72 downloads) Last edited by finadk; 02/05/11 07:26 PM.

Re: New Pistons Valve relief machined to edge is this OK? [Re: finadk] #921672 02/05/11 07:25 PM 02/05/11 07:25 PM
Joined: Jan 2003 Posts: 6,591 Canton, Ohio S Sport440 master
Sport440 master S Joined: Jan 2003 Posts: 6,591 Canton, Ohio	Yes thats fine, as long as none of the edges get to a paper thin state. KB takes some of thier BB pistons all to to edge. You can rest your thumb in the in the dip and fit the curcature of it. mike

Re: New Pistons Valve relief machined to edge is this OK? [Re: finadk] #921673 02/05/11 08:41 PM 02/05/11 08:41 PM
Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska	I would deburr all the edges and the skirt edges on the bottom on both sides live every 24 hour block of time like it's your last day on earth

Re: New Pistons Valve relief machined to edge is this OK? [Re: RapidRobert] #921674 02/05/11 08:46 PM 02/05/11 08:46 PM
Joined: Oct 2005 Posts: 4,950 WI Dcuda69 master
Dcuda69 master Joined: Oct 2005 Posts: 4,950 WI	Quote: I would deburr all the edges and the skirt edges on the bottom on both sides Think hot spots

Re: New Pistons Valve relief machined to edge is this OK? [Re: Dcuda69] #921675 02/06/11 09:40 AM 02/06/11 09:40 AM
Joined: Dec 2004 Posts: 915 S.W. PA 6 6PACMAC super stock
6PACMAC super stock 6 Joined: Dec 2004 Posts: 915 S.W. PA	Quote: Quote: I would deburr all the edges and the skirt edges on the bottom on both sides Think hot spots

Re: New Pistons Valve relief machined to edge is this OK? [Re: 6PACMAC] #921676 02/06/11 01:43 PM 02/06/11 01:43 PM
Joined: Jan 2008 Posts: 299 East Brunswick, NJ F finadk OP enthusiast
finadk OP enthusiast F Joined: Jan 2008 Posts: 299 East Brunswick, NJ	Thanks Guys. I appreciate the info and can sleep tonight. Scott Scott 1956 Dodge Custom Royal Lancer (408 Stroker, 4 Wheel Disc Brakes, Rack & Pinion, 6 speed) 2002 Dodge Ram 1500 Quad Cab 1976 Corvette

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