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Why aftermarket blocks are a good idea if you going to get at it......

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FalconEh
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Why aftermarket blocks are a good idea if you going to get at it...... Empty Why aftermarket blocks are a good idea if you going to get at it......

Post  dfree383 February 2nd 2016, 9:28 pm

http://www.stangtv.com/news/video-blown-big-block-ford-engine-on-dyno-with-a-twist/
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Post  IDT-572 February 2nd 2016, 9:58 pm

As read on here time and time again, the girdel is good for holding all the parts together when they grenade........... Twisted Evil
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Post  FalconEh February 2nd 2016, 10:05 pm

Shocked wtb stud girdle Laughing
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Post  dfree383 February 2nd 2016, 10:58 pm

IDT-572 wrote:As read on here time and time again, the girdel is good for holding all the parts together when they grenade........... Twisted Evil

Kinda like one of the plastic things that holds a 6 pack together!
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Post  dfree383 February 2nd 2016, 10:58 pm

double tap!
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Post  FalconEh February 2nd 2016, 11:49 pm

Did this thread switch to guns Suspect or was it a metaphor Rolling Eyes
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Post  dfree383 February 2nd 2016, 11:58 pm

FalconEh wrote:Did this thread switch to guns Suspect  or was it a metaphor Rolling Eyes

I like guns.....
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Post  FalconEh February 3rd 2016, 12:47 am

dfree383 wrote:
FalconEh wrote:Did this thread switch to guns Suspect  or was it a metaphor Rolling Eyes

I like guns.....
Me too...The question I have is would the stud girdle protect the internals from Mike's BMG Laughing
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Post  dfree383 February 3rd 2016, 1:17 am

FalconEh wrote:
dfree383 wrote:
FalconEh wrote:Did this thread switch to guns Suspect  or was it a metaphor Rolling Eyes

I like guns.....
Me too...The question I have is would the stud girdle protect the internals from Mike's BMG Laughing

I would speculate that the results would be similar to the artical...... It would nearly hold it all together but still be trashed
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Post  Mike R February 3rd 2016, 1:26 am

dfree383 wrote:
FalconEh wrote:Did this thread switch to guns Suspect  or was it a metaphor Rolling Eyes

I like guns.....

I like turtles Laughing Laughing Laughing

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Post  dfree383 February 3rd 2016, 6:35 am

Mike R wrote:
dfree383 wrote:
FalconEh wrote:Did this thread switch to guns Suspect  or was it a metaphor Rolling Eyes

I like guns.....

I like turtles Laughing Laughing Laughing

Oh do tell......
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Post  torino501 February 3rd 2016, 10:19 am

after reading the article and the comments posted. to me it looks like the 8k rpm killed it. why only 12lbs of boost? leave the rpm at or below 7k and just add more boost..? even though it had alum rods im sure that crank has a lot of reciprocating weight at 8k rpm. that's just dumb..

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Post  wickettoby1 February 3rd 2016, 10:39 am

This is just more proof that some people have more $$ than brains!!!

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Post  Paul Kane February 3rd 2016, 12:34 pm

We do 70% nitro on blown Fords with OEM blocks and they live, and we're generating more power than the engine in the article.  Come on out to this year's March Meet at Bakersfield and see for yourself.

What killed the engine in the link above was: completely wrong application/setup of a passenger car block. Generally, the blower tugs the long snout, which see-saws on the #1 main and thereby excessively loads the #2 2-bolt main cap, plus a main girdle with stronger aftermarket studs (<-----BIG mistake there) plus the high rpm. If I were there I could have called out this failure just before the actual pull.

Judging by the pictures, my guess is that the #4 main web let go first, then the rest followed suit.  Had they stuck with OEM main bolts and kept rpm down, the odds of that engine living would have been ten-fold (excepting for the risk of cracking the #2 main cap).  Ideally on a Roots-type blower engine they should have 4-bolted the block while staying with the OEM bolts....especially when they attempted the increased rpm.
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Post  dfree383 February 3rd 2016, 12:51 pm

I'm thinking the small ass 8-71, 21# and 8000 rpm all came into play

Getting greedy withe the wrong parts
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Post  Paul Kane February 3rd 2016, 1:15 pm

dfree383 wrote:I'm thinking the small ass 8-71, 21# and 8000 rpm all came into play

Getting greedy with the wrong parts
Yeah to be fair I should also acknowledge that an aftermarket block would have indeed given them all the wiggle room in the world.

With the OEM stuff in order to have a good chance of success one must have a good understanding of the correct setup and applications when utilizing them.
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Post  torino501 February 3rd 2016, 4:18 pm

hell I totally misread the part about the 21 psi and 7k rpm... then to 8k.

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Post  dfree383 February 3rd 2016, 6:54 pm

torino501 wrote:hell I totally misread the part about the 21 psi and 7k rpm... then to 8k.

And only a 8-71 blower.......
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