I found a set of rebuilt 390 heads for $300 that I am thinking of buying as opposed to having mine rebuilt. Getting mine rebuilt with hardened seats and 3 angle valves will run about $450 a pair. Here's the difference, the ones I currently have are from a 67 LTD and numbered C7AE-A. The ones that I can buy for $300 are numbered C4AE-6090G. The guy selling them said something like they are a "poor mans cobra jet head"(?) He said they have bigger exhaust ports and thus will give better performance at higher RPM ranges when flow is at its maximum. Anyway, I found this link that has some info;
I'm not car savvy enough do figure it out - can anyone enlighten me as to whether one is all that much better than the other and if they should work OK?
Thanks, Dave J
I'm not car savvy enough do figure it out - can anyone enlighten me as to whether one is all that much better than the other and if they should work OK?
Thanks, Dave J
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