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Re: At what horsepower do big blocks need a main girdle?
[Re: Joey Johnson]
#1993787
01/18/16 11:34 PM
01/18/16 11:34 PM
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Joined: Jan 2003
Posts: 19,602
Las Vegas
Al_Alguire
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 19,602
Las Vegas
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I'd say just before this  Might have stayed more together
"I am not ashamed to confess I am ignorant of what I do not know."
"It's never wrong to do the right thing"
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Re: At what horsepower do big blocks need a main girdle?
[Re: Al_Alguire]
#1993795
01/18/16 11:42 PM
01/18/16 11:42 PM
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Joined: Jan 2004
Posts: 13,247
Mt. Vernon, Ohio
dartman366
I Live Here
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I Live Here
Joined: Jan 2004
Posts: 13,247
Mt. Vernon, Ohio
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Ouch!! look's like it turned the oil pan into a garbage can,,,RB block too
Light travels faster than the speed of sound,,,this is why some people seem bright untill you hear them speak.
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Re: At what horsepower do big blocks need a main girdle?
[Re: dartman366]
#1993803
01/18/16 11:48 PM
01/18/16 11:48 PM
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Joined: Feb 2005
Posts: 20,279
PA.
pittsburghracer
"Little"John
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"Little"John
Joined: Feb 2005
Posts: 20,279
PA.
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B1 heads on a 1977 (440) block would not be something I would do on anything I planned on racing often.
1970 Duster
Edelbrock headed 408
5.984@112.52
422 Indy headed small block
5.982@112.56 mph
9.38@138.67
Livin and lovin life one day at a time
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Re: At what horsepower do big blocks need a main girdle?
[Re: Joey Johnson]
#1994021
01/19/16 11:57 AM
01/19/16 11:57 AM
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Joined: Jan 2004
Posts: 8,818
fredericksburg,va
cudaman1969
Itch Nutz
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Itch Nutz
Joined: Jan 2004
Posts: 8,818
fredericksburg,va
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Hope there was a diaper, for both, you and the engine!
Looked at it again and it looks like a mechanical monster vomiting.
Last edited by cudaman1969; 01/19/16 12:02 PM.
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Re: At what horsepower do big blocks need a main girdle?
[Re: sgcuda]
#1994024
01/19/16 12:02 PM
01/19/16 12:02 PM
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Joined: Jan 2003
Posts: 13,535
Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,535
Marion, South Carolina [><]
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I'm going to test the limits soon of a stock block 440 w/ a stock crank and caps, ARP bolts. The motor is in the 680-700 hp range. Once I get it dialed in N/A, I'll turn on the plate. Hey Chip Stock crank and main caps on a 700 hp piece? Plus nitrous? You, yourself, magged my crank at the 600 hp level and said it looked like cracked crystal. And you have to know that the main caps won't live at that power level with spray. Don't you think a set of aluminum caps should be added? We've all seen pics of those #4 caps. Yep, it will be tough on it I'm sure, but it's gonna happen. Some people have luck with them living...guess we'll see how this one does.
CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 4 speed, Dana 60
'71 Demon 340, no drivetrain, on blocks behind the barn
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
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Re: At what horsepower do big blocks need a main girdle?
[Re: TRENDZ]
#1994054
01/19/16 12:53 PM
01/19/16 12:53 PM
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Joined: Jul 2004
Posts: 19,318
State of confusion
Thumperdart
I Live Here
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I Live Here
Joined: Jul 2004
Posts: 19,318
State of confusion
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At what horsepower do big blocks need a main girdle?
Answer: They wont hurt at any level.
The question should be, how much power can a bb make without a girdle?
Mine made around 1100hp with modified factory caps and a modified factory crank. No girdle. That engine was a 400 based 470 with turbos. There was a challenger with a procharged 383 making about 1200 with a factory block running around back then also. I can't speak for his internals, cause I simply don't know.
If I weren't so cheap, I would have put a girdle on mine. Here's what it takes to hold up to that power.... (yeah it's ghetto) I like this idea and was wondering if it could work on an 8 3/4 dr. side kinda like a billet cap............ 
72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
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Re: At what horsepower do big blocks need a main girdle?
[Re: Al_Alguire]
#1994062
01/19/16 01:06 PM
01/19/16 01:06 PM
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Joined: Jul 2004
Posts: 19,318
State of confusion
Thumperdart
I Live Here
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I Live Here
Joined: Jul 2004
Posts: 19,318
State of confusion
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If you aint making enough power to destroy a stock block you are doing it wrong  Obviously I`m not.............Based on some opinions here, I`m probably in the 550 hp range so we`re good for a while.......... 
Last edited by Thumperdart; 01/19/16 02:04 PM.
72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
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Re: At what horsepower do big blocks need a main girdle?
[Re: Al_Alguire]
#1994499
01/19/16 10:43 PM
01/19/16 10:43 PM
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Joined: Jan 2005
Posts: 2,540
Milwaukee WI
TRENDZ
master
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master
Joined: Jan 2005
Posts: 2,540
Milwaukee WI
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If you aint making enough power to destroy a stock block you are doing it wrong I think its more like... You're doing something wrong if you're breaking stock blocks at that power level. I don't deny that given the choice, I would use a "race built block". But then you're using all good internals. Beyond reach for many. The more serious guys on here traveling cross country, with a lot invested in the entire race "infrastructure" would be foolish to use old factory stuff. I totally agree, buuuttttt.... there is a lot to be said for the nobody that can rip off somewhat serious ETs with absolute junk under the hood. We all play with what we can afford. The so called "bandaids" (don't we all buy and use bandaids? When did they become a bad thing?)help the low budget guys with some ingenuity hang with those better funded. To me, that is satisfying.
"use it 'till it breaks, replace as needed"
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Re: At what horsepower do big blocks need a main girdle?
[Re: Joey Johnson]
#1994554
01/19/16 11:34 PM
01/19/16 11:34 PM
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Joined: Jan 2005
Posts: 2,540
Milwaukee WI
TRENDZ
master
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master
Joined: Jan 2005
Posts: 2,540
Milwaukee WI
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Al, that picture would have been more honest with the last description attached!
I also would suggest that there are better ways to remove the transmission.
"use it 'till it breaks, replace as needed"
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Re: At what horsepower do big blocks need a main girdle?
[Re: racerx]
#2576550
11/09/18 08:25 PM
11/09/18 08:25 PM
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Joined: May 2015
Posts: 1,134
Lost in Time
Iowan
super stock
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super stock
Joined: May 2015
Posts: 1,134
Lost in Time
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I know a guy that blew up a B motor like that, there was just enough left of the block to support the heads and intake. Even broke the cam out of the block!
Have a great day
Iowan
"obsolete is neat"
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.....that hurts to just look at that.
