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Author
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Topic: how much HP can a 351W block handel?
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fastertoys1
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Member # 5270
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posted
 
 
trying to settle a argument between some buddys
i know their are many different 351W blocks from different years, lets say a yearly 70's 351 block
at what hp range will the block crack? they say a 302 block is a time bomb waiting to happen after 500 hp. also does it matter if the block is stroked to a different displacment(357,393,408)?
thanks
[ November 22, 2008, 08:56 PM: Message edited by: fastertoys1 ]
Posts: 2178 | Registered: Jan 2005
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SmokeyBurnout
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Member # 5745
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posted
There are many people running 700+ rwhp.
Posts: 513 | Registered: May 2005
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fastertoys1
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Member # 5270
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posted
what are the best years to get a block from?
Posts: 2178 | Registered: Jan 2005
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JohnB
Tech Moderator
Member # 969
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posted
Any of the factory roller 351w blocks will work just fine. I'm well over 700hp with my stock block. It will survive as long as the machine work is spot on and the build is more than the basic norm...
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1965 Shelby Cobra
1993 Cobra
2012 F150 Raptor
2020 GT500
Posts: 6523 | From: Orlando FL/Redding CA | Registered: Mar 2002
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Greasy
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Member # 5258
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posted
I have always herd around 800+ is when they start to crack
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'93 Cobra-Coyote Powered
'03 DSG Cobra
'13 Dodge Cummins
'14 Rubicon X
Posts: 3272 | From: North Dallas | Registered: Jan 2005
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fastertoys1
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Member # 5270
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posted
if one were trying to achive a 700-800 hp motor wouldn't it be cheaper to do so with a 351 then a 302 based dart block? And save over 2k on a block?
Posts: 2178 | Registered: Jan 2005
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Mr.Lucky
CAFords OG
Member # 1772
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posted
from what ive heard it depends... u say around 700-800... daily driven? me personally, would much rather have the assurance of that extra $2000 spent knowing i have a race block thats designed to handle what im throwing at it. Jmo -Joe
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95GT: Bolt ons.
Good sellers/buyers: Stangs R Us, 1SicGt, sn4bwc, racsirx, WickedStang, Autumnstang97, cali95gt
Posts: 4197 | From: Manteca | Registered: Sep 2002
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