351W bore size

woody1 · April 18th, 2008, 02:06 PM

No problems at 4.040 bore on any windsor unless you have one with extreme core shift on the cylinder. I build em at .030 and .040 weekly. As for piston choice there is plenty of choices, your choices are narrowed as you will be using something with a 1.235 or 1.280 compression height. Do the math on whatever rotating assembly you buy as the 69 block is 9.480 So a 4 inch crank 6.200 rod and 1.280 piston stack is 9.48.

69fastback · April 20th, 2008, 10:55 PM

Well, I got a block today, so let the madness begin

After I get the block to the machine shop, I'll be ordering my Scat stroker kit, and then it'll be a set of AFR 205s. A few thouand later, and some valvetrain parts, and I'll be running a little stronger.

superteve9219 · April 22nd, 2008, 11:26 PM

weird I would imagine it running cooler with thinner walls, shows how much I know

April 20th, 2008, 10:55 PM	#22
69fastback Enthusiast 1969 Mustang Mach 1 OLDNSLO Join Date: Aug 2006 Location: Oklahoma jackass, get to driving Posts: 638	Well, I got a block today, so let the madness begin After I get the block to the machine shop, I'll be ordering my Scat stroker kit, and then it'll be a set of AFR 205s. A few thouand later, and some valvetrain parts, and I'll be running a little stronger. __________________ New ride http://www.superior-motorsports.com/...aig/craig.html Old ride http://www.superior-motorsports.com/...g/mustang.html old rides engine in new home http://videos.streetfire.net/video/4...285480b970.htm

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April 18th, 2008, 02:06 PM	#21
woody1 Regular Join Date: Nov 2006 Posts: 496	No problems at 4.040 bore on any windsor unless you have one with extreme core shift on the cylinder. I build em at .030 and .040 weekly. As for piston choice there is plenty of choices, your choices are narrowed as you will be using something with a 1.235 or 1.280 compression height. Do the math on whatever rotating assembly you buy as the 69 block is 9.480 So a 4 inch crank 6.200 rod and 1.280 piston stack is 9.48.

April 22nd, 2008, 11:26 PM	#23
superteve9219 Newbie Join Date: Apr 2008 Posts: 11	weird I would imagine it running cooler with thinner walls, shows how much I know

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