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Original Message
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| new intake cam and carb |
| By mustang67 - 10/25/2005 9:42:22 AM; IP 134.241.5.113 |
I want to upgrade the intake cam and carb on my 390 . The performer looks better on paper (with the stock heads and carb) for me then the performer rpm. I drive around 1,500rpm (3,000 on the highway) and shift between 3,000 and 3,500 RPM, the highest it has seen is 4,500. I have heard that the performer rpm is much better so I think I will go with that one. Now I also heard that the Edelbrock recommended cam is too aggressive for low end, is that true? If so what cam would you recommend and should I change the valve springs too? Finally I was thinking of the Edelbrock 650cfm carb. Is this a good cfm? I don’t want to be constantly adjusting the carb, however if there is carb that will make a noticeable power increase I will learn how. Right now I have an autolite 4300 and I don’t like it. BTW does anyone know the cfm rating for that carb?
Thank you
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