stroking the 351
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Senior User
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stroking the 351
has anybody stroked the 351 out to a 427 or other stroking options. what is some drawbacks to stroking the 351. what kind of mileage am i looking at and how many miles can i reasonably get before another teardown
Elder User
Joined: Apr 2009
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Probably depends on the quality of the machine work, parts, and care that was taken putting said engine together. Not to mention intended use, oil change interval, oil type used, and how hard you are on it. Just like with any other engine....
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From: Chicago area
Here's a link to a shop that sells parts, short blocks, & long blocks.
FordStrokers.com 331-347-408-418-427 Custom Built Small Block Ford Engines
You can use stock 351 blocks or aftermarket blocks. The more expensive aftermarket blocks have 4 bolt mains and in some cases 4.125 bores.
FordStrokers.com 331-347-408-418-427 Custom Built Small Block Ford Engines
You can use stock 351 blocks or aftermarket blocks. The more expensive aftermarket blocks have 4 bolt mains and in some cases 4.125 bores.
FTE Legend
Joined: Jun 2006
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From: Ottawa, Ontario
Fuel consumption is tied directly to engine displacement so you can expect a larger motor to drink more go juice.. all else being equal. There's also no reason to expect a stroked motor to have any shorter life than your average stock motor as long as it's assembled correctly.
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this is the cam i plan on running. COMP Cams 35-246-3 - COMP Cams Xtreme Energy Camshafts - Overview - SummitRacing.com has anybody used it before
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this is the cam i plan on running. COMP Cams 35-246-3 - COMP Cams Xtreme Energy Camshafts - Overview - SummitRacing.com has anybody used it before
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isnt their a difference in blocks from roller to non roller like their is in the 302. beacuse the motor i will be getting is 351 ho with 47k miles on it so the rebuild wont be till next year but i plan on that cam gt40p heads not sure on the carb size probaly a 650 and a weiand stealth or air gap
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From: Amherst, WI
i'd go with a cam with less duration if you are worried at all about milage and use as a DD, what is the intended use? I'm going to try the Comp Cam XE264HR-14. Mild duration but with 1.7 rockers lift goes up to .544. No way I'd use them "P" heads on a big stroker. Start at the AFR 185 or the 205's. I've got a set of the WP senior heads here that would work better than the "P"'s. I'm really still in the small block world. A 750 cfm would also be a better choice.
Dave
Dave
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i mean i would use the "P"s before the rebuild then after i was looking at a set of 200cc or 180cc RHS heads. would a 750 be to much for the 351 before the rebuild i was kinda not hoping to have to buy two different carbs
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GT40P heads on a 351w will work nicely. Your HO block is probably not set up for a roller cam, so you will need link bar lifters to use the comp cams XE264HR. Or you can get the complete roller lifter setup from the explorer that you get your gt40 or gt40p heads from. You will then need to drill two holes in the block to secure the spider assembly. You will need a retrofit roller cam, also called a small base circle, such as a comp cams XR264RF-HR. This cam and gt40 or gt40p heads will get you more than 300 hp. Keep in mind you may have problems finding affordable headers for the p heads.
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The gt40p is a better head due to a relocated spark plug. Of course that is the same reason you will have fitment problems with headers. Ford and Mac make a dedicated header for the p head. All other headers may or may not work, you will have to test fit them individually. The Gt40 will accept any header and is still a good head. Keep in mind also that unless your heads were previously on a 351w, the bolt holes will need to be drilled from 7/16" to 1/2".
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