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01-08-2011, 09:55 AM | #1 |
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Join Date: May 2010
Location: Suffolk, VA & Key West, FL
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523 HP Y-Block!
Check out the Feb 2011 issue of Popular Hot Rodding's engine shoot out. 375 CI Y-block, 523 HP @6500 rpm, 477 ft/lbs @ 4,900 rpm. Uses Mummert alum. heads; when did these come out? Anyone have info or website for these?
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01-08-2011, 11:47 AM | #2 |
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Location: St. Michael, Minnesota
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Re: 523 HP Y-Block!
ford-y-block.com
Also, in that PHR article, copy down the name of the guy who ram rodded the test. Ted Eaton is a guru who will help any dedicated Y blocker with just a phone call. If you are interested in these heads, you need to subscribe to the Y Block Magazine also. A wealth of exciting information. |
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01-10-2011, 10:04 PM | #3 |
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Re: 523 HP Y-Block!
Mummert's website
www.ford-y-block.com You can see the heads and other y-block performance goodies, and besides that he is a super nice guy. Like Ted Eaton, he will help any y-blocker with advice or recommendations. |
01-11-2011, 02:00 AM | #4 | |
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Re: 523 HP Y-Block!
Quote:
http://www.y-blocksforever.com/forums/Forum11-1.aspx
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01-27-2011, 09:39 AM | #5 |
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Re: 523 HP Y-Block!
The last Y I helped build certainly fell short of making that kind of HP, but did manage 383HP @ 6000rpm. I am no guru but cam/head/valve train design are certainly the key to making a Y block run. Here are some of the parts that went on the Y block I worked on.
Let's see, $2150 for the heads and $650 for the roller rockers..$2800..that's coming pretty close to what I paid for the Roush/Yates heads on my 408 stroker which flows 371 on the intake side and 294 on the exhaust. Making over 500HP in any natrually aspirated motor takes cubic $$$$$ and a lot of thought, but in a Y block that is outstanding! |
01-27-2011, 07:14 PM | #6 |
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Re: 523 HP Y-Block!
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01-28-2011, 02:51 PM | #7 | |
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Re: 523 HP Y-Block!
Quote:
thanks, Dan
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01-28-2011, 10:44 PM | #8 |
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Join Date: May 2010
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Re: 523 HP Y-Block!
Yes, it was a Rollermaster. They make some fantastic parts in Australia.
It was a CS-4060 and even looked better in person than the photograph and the quality was far superior to anything made in the USofA! http://www.romac.com.au/ |
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