Re: vortec heads. headers or ram horns?
Stick with the manifolds then. Headers on an off road truck that isn't going to be pulling a sled or mudding or sand drags is overkill. I've got them on my K5 and they are a royal pain in the arse. The collectors leak, the bolts in the heads loosen up and then leak. They make spark plug changing a chore too. I can't wait until I get the 5.3 together and go back to manifolds.
I get reminded of this fact every time we work on my truck over at DirtyLarry's place too. He really hates them.
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Rob Z.
1975 K5 350/465/205/D44/12b 4" lift on 35's- RIP
1991 K5 8.1L/NV4500/241/D44/14b FWC Camper
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