Okay guys, I have the top end of my 'Bird apart (312 c.i.), and I am wondering about my 553 manifold.
- I have heard that the "late" 553 manifolds have larger runners. How do I tell the difference? My 553 manifold has the same (or at least really close!) port dimension with respect to my intake gaskets, as well as the intake ports on my ECZ-G heads. The manifold shows no signs of being port-matched. How do I tell the difference between the "early" and "late" 553 manifolds?
- What is the REAL advantage of a 573 manifold? Are the runners that much larger to achieve a real power gain? I'm not racing, just curious if the 553 is going to choke out the 312? Is it worth picking up a 573?
Can any of you fellas help? Hopefully Ted or Tim can chime in on this, or maybe even Mummert?
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Oh, I am running 3-94's and tube headers (REALLY old Hedmans:cool
Thanks for the help...the thing that really sucks is I sold a NOS Edelbrock 573 about 5 years ago rather than lettiing it sit on a shelf...
Todd
Todd in Central California...about half way between Fresno and Sacramento
1956 Thunderbird - 1960 F-100 - 1961 Starliner - 1961 Imperial