Big Block fenderwell headers? Proparts?

roccodart440 said

Yes, you can install them with the engine bolted in place. My only complaint was the slip on collectors weren't much fun

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collectors weren't too bad. secret was to leave the tubes loose at the heads (think the driver side ya had to tighten the center two because you couldn't get to them afterwards) then slide the collector on, then tighten the tubes at the heads.