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Stan Weiss
DRR Trophy
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► (4.32 / 2)^2 * 4 * pi * 8 = 469.0372699

Stan
 
Posts: 8 | Location: Philadelphia PA | Registered: January 13, 2025Reply With QuoteReport This Post
Big Steve
DRR S/Pro
Picture of Big Steve
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I said it early in this thread and I will say it again, .070 over with a stock 454 GM block is just asking for cracked cylinder walls
 
Posts: 2654 | Location: Moving back to the door side | Registered: April 30, 2010Reply With QuoteReport This Post
FootbrakeJim
DRR Pro
Picture of FootbrakeJim
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quote:
Originally posted by Stan Weiss:
► (4.32 / 2)^2 * 4 * pi * 8 = 469.0372699

Stan


^^^THIS. Stan for the W.


Dan "Jim" Moore
Much too young to feel this damn old!!
 
Posts: 1139 | Location: Farmersville, TX  | Registered: December 05, 2002Reply With QuoteReport This Post
Mark3x81
DRR Trophy
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I agree with big Steve. Ive had them crack at .060 when the block had 7.4L on it.
 
Posts: 80 | Location: B town | Registered: March 05, 2000Reply With QuoteReport This Post
Busted Knuckles
DRR Sportsman
Picture of Busted Knuckles
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There are a lot of .100 over 505's out there that don't agree with you, Big Steve. I'd bet they're probaby not leaning on them that hard,though


Organized people are just too lazy to look for their $h!t.
 
Posts: 500 | Location: Texas USA | Registered: November 09, 2002Reply With QuoteReport This Post
Wild Wild West 2
DRR Sportsman
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I've got a .070 over 454 in my Vega, but the block is poured to the bottom of the water pump holes.


Tim West
"Wild Wild West" Racing

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www.motorsportsinnovations.com

 
Posts: 322 | Location: Spartanburg,SC | Registered: April 16, 2003Reply With QuoteReport This Post
Big Steve
DRR S/Pro
Picture of Big Steve
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quote:
Originally posted by Wild Wild West 2:
I've got a .070 over 454 in my Vega, but the block is poured to the bottom of the water pump holes.


I cracked 2 blocks that were bored .070 and larger but neither were filled with concrete. I bought a Dart big M block that was originally 4.350 and later 4.600 and still running that same block 13 years later. Not filled either

This message has been edited. Last edited by: Big Steve,
 
Posts: 2654 | Location: Moving back to the door side | Registered: April 30, 2010Reply With QuoteReport This Post



CURTIS REED
DRR S/Pro
Picture of CURTIS REED
posted Hide Post
quote:
Originally posted by Big Steve:
quote:
Originally posted by Wild Wild West 2:
I've got a .070 over 454 in my Vega, but the block is poured to the bottom of the water pump holes.


I cracked 2 blocks that were bored .070 and larger but neither were filled with concrete. I bought a Dart big M block that was originally 4.350 and later 4.600 and still running that same block 13 years later. Not filled either


I bet your machinist loved boring that 1/4” out of that block.



____________________________
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Posts: 3278 | Location: KIEFER, OK. | Registered: August 17, 2007Reply With QuoteReport This Post
sittin duck
DRR Trophy
posted Hide Post
quote:
Originally posted by Big Steve:
I said it early in this thread and I will say it again, .070 over with a stock 454 GM block is just asking for cracked cylinder walls


I ran a old 289 casting stock block at .125" over with a 1/4" stroke crank for about 6 years never cracked a cylinder ended up with cracks in the deck then went to a dart block
 
Posts: 128 | Location: Indiana | Registered: November 13, 2009Reply With QuoteReport This Post
Big Steve
DRR S/Pro
Picture of Big Steve
posted Hide Post
quote:
Originally posted by CURTIS REED:
quote:
Originally posted by Big Steve:
quote:
Originally posted by Wild Wild West 2:
I've got a .070 over 454 in my Vega, but the block is poured to the bottom of the water pump holes.


I cracked 2 blocks that were bored .070 and larger but neither were filled with concrete. I bought a Dart big M block that was originally 4.350 and later 4.600 and still running that same block 13 years later. Not filled either


I bet your machinist loved boring that 1/4” out of that block.


Block did weigh a whole lot less when he was done
 
Posts: 2654 | Location: Moving back to the door side | Registered: April 30, 2010Reply With QuoteReport This Post
1800gb
DRR Trophy
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Been running a .100 over block well over 10yrs that started as a 477,now currently a 505.....not poured..no problems.....
 
Posts: 270 | Location: Fayetteville | Registered: May 05, 2003Reply With QuoteReport This Post
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