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Dave,
You are correct. Essentially, I'm interested in your experience with the TF street heads and if you've had any complaints or issues with them. Are you using any stock components like rockers with them? My criteria for replacing my stock cast iron is primarily for weight. I would go for the 325cc intake volume heads. The only reason I would not go for the P51's is that I'd need to replace my intake manafold... and the TF 290 and 325 are the only aluminum, Non-CobraJet style replacement. Also, I can use my Harland Sharp Rockers. If I go CJ style, I'll need to replace a lot more than just the heads.
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