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03-25-2009, 08:29 AM
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#1 |
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Registered User
Join Date: Aug 2006
Location: Houston, TX
Posts: 98
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Head debate
I have bought a set of World Merlin cast 320 CC rectangle heads for my BBC and waiting for them to arrive. I have since bought a used 454 engine for believe this $45. The heads on this are the oval port 049's. People have told me I would be happier with the 049's vs the merlins. They have said I will have no low end. The truck will be a street/strip truck with vary little track time. What are yall's thoughts on the pros and cons of each head. I can't see there being any seat of the pants difference bewtween the two. If any I would think the Merlins would help power over the stockers Thanks, Ronnie
Last edited by tubbed55; 03-26-2009 at 08:07 AM. Reason: Add info.. |
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03-25-2009, 10:27 PM
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#2 |
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Registered User
Join Date: Oct 2006
Location: bridgecreek ok.
Posts: 1,214
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Re: Head debate
I have gen 5 rectangle ports with the same runners, and i have lots of low end. The oval ports would probably be better for street, but mine are working fine for street. guess it just depends on who you talk to.
__________________
http://67-72chevytrucks.com/vboard/s...d.php?t=494388 431 big block times, changed to a 6.0 ls with turbo 1.58- 60' 7.18- 1/8th mile@95.18 11.37- 1/4 @115.81 |
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03-26-2009, 09:06 AM
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#3 |
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Registered User
 
Join Date: Jul 2007
Location: Ottawa Ontario Canada
Posts: 1,156
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Re: Head debate
You wil be happier with the Merlins and sell the 049's!
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