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351W CID capacity??

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Old Nov 10, 2003 | 05:28 PM
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Question 351W CID capacity??

Whats the most that a 351 can be bored and stroked?? The largest kits Ive seen so far is 427. If thats the most, thats good, but I want the most power I can get it.
 
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Old Nov 10, 2003 | 07:04 PM
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Have you considered a larger engine? Or do you want to stick with the 351? There are many kits available, Have you tried looking thru Summit or Jegs?

If you have unlimited funds anything possible!
 

Last edited by TheWiz427; Nov 10, 2003 at 07:08 PM.
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Old Nov 10, 2003 | 07:45 PM
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Of course Ive thought about a 460 under the hood, but to be reasonable as a street car I think it would be best to stick with the small block. Less weight, more clearance room, and less modification. Im just going to expand the small block to suit my power addiction. I just dont know the limit to which I can expand a 351. Like I said, 427 is the largest Ive seen.
 
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Old Nov 10, 2003 | 08:16 PM
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The largest i've seen is a 392. The 427 however is interesting, were did you see this kit?

Seeing that you are messing around with a Mustang and not a truck might i suggest checking this site out http://www.fordmuscle.com/ They also have forums and most of those guys love stroker motors.
 
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Old Nov 10, 2003 | 11:56 PM
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I've seen a 432 Cubic Inch Windsor build up
4.060" Bore
4.170" Stroke
6.20" Rods
590 HP - 536 TQ
 
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Old Nov 11, 2003 | 07:14 AM
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Originally posted by jrocco
I've seen a 432 Cubic Inch Windsor build up
4.060" Bore
4.170" Stroke
6.20" Rods
590 HP - 536 TQ
I could live with that one!
 
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Old Nov 11, 2003 | 09:02 AM
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They have done 454 cube builds with the aftermarket blocks.
 
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Old Nov 11, 2003 | 10:21 AM
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I built a 408 this spring for my Mustang. It runs 6.70's in the 1/8th and I can drive it on the street. Needs good fuel but it does not overheat. The kit I used only requires a .030 overbore.
 
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Old Nov 11, 2003 | 12:43 PM
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A 454 build! Wow i did'nt think you could go that far. Hmmm me thinks i should scrap the 302 plans and start looking for a 351.
 
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Old Nov 11, 2003 | 12:48 PM
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When I did my buildup, my machinist said that the later 351 blocks could not be bored out more than .040.

He said the older blocks (pre 79 I think he said) could go to .060.
 
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Old Nov 11, 2003 | 01:17 PM
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Originally posted by TheWiz427
A 454 build! Wow i did'nt think you could go that far. Hmmm me thinks i should scrap the 302 plans and start looking for a 351.
They use an SVO block bored to 4.125 and a 4.25" crank. The rods are 6.2" That is a 1.45 rod/stroke ratio and scares the living b'jesus out of me. I wouldn't do it period.
 
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Old Nov 11, 2003 | 01:37 PM
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On second thought maybe i won't go that far! I have been toying with the idea of building a stroker for my truck but funds are a big hinderance right now.
 
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Old Nov 11, 2003 | 05:37 PM
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A 432 would definitly be nice, but I would think .060 over would stress out the walls a lot if running full throttle. Maybe have it iron sleeved?? 427 would satisfy me for now. I would eventually like a Ford Racing aluminum 351 block with a possible 454 CID. I dont know. Such aspirations. I think Im going to check with a race shop here in town about the CID of my model block. They specialize in new production BOSS 429 engines, but I believe they have a full engine shop as well.
 
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Old Nov 11, 2003 | 11:58 PM
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A Dart iron ford small block has the capability of 467 cubic inches while maintaining .25" between cylinders. The aluminum version is up to 463 cubes. Expect to shell out big dough. I'm dreaming of a 383 Windsor with all the good stuff to keep a smile on my face for many many miles. Down with the mods. Long live pushrods.
 
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