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Discussion Starter #1
How much horsepower are ya"ll getting out of stock four bolt main 454 GM block. I'm wanting to build a street motor out of the parts in garage.
 

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4.80's at 3250 lbs with 9.8" passenger car block 2 bolt converted to 4 with eagle main caps and concrete to bottom of water pump holes. Working on third season
 

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there is a red procharged 62 impala on this site that make some big power on one like 1700 but I don't know what all he has done to it. or his screen name. maybe he will chime in.
 

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Discussion Starter #9
Thanks for the reply, I just have several blocks, 2 eagle cranks 2 set of rods with L19 , a turbo cam, some heads and efi intake. They are just around garage.
 

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There was once a thread on here..boosted big blocks where in the 16-1700hp range and nitrous guys where 14/1500hp range with stock BBC block's
 

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Partial fill with studs and a girdle it should live @ 1k for a long time, but if you're doing class racing and you're gonna take every hp it can make, yeah it's not gonna live a long life
 

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4.80's at 3250 lbs with 9.8" passenger car block 2 bolt converted to 4 with eagle main caps and concrete to bottom of water pump holes. Working on third season
Nice deal..anymore details on the combo?
 
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