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| The Turbo 3500 F23 swap (Page 10/80) |
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ericjon262
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SEP 26, 11:29 PM
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. [This message has been edited by ericjon262 (edited 09-11-2022).]
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ericjon262
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SEP 28, 12:42 AM
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. [This message has been edited by ericjon262 (edited 09-11-2022).]
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carbon
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SEP 28, 08:31 AM
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What's in the groove... is it staying?
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ericjon262
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SEP 28, 04:02 PM
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. [This message has been edited by ericjon262 (edited 09-11-2022).]
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ericjon262
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SEP 28, 07:42 PM
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. [This message has been edited by ericjon262 (edited 09-11-2022).]
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Joseph Upson
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SEP 29, 07:02 PM
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| quote | Originally posted by ericjon262:
well guys, I keep looking at the manifolds I have, and thinking about how they are a really poor match for my engines potential, and I've made the decision to continue onto making a custom set of headers. 1.5" 16ga mild steel, 3/8" flanges, and 3-1 collectors(1.5" in, 2.25 out) I'll probably reduce the 2.25 to 2.00 out of the collector for better velocity going into the turbo, but we'll see once I get come pipe in my hands. |
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Speaking from experience, keep it simple, a nice blended log design like fingers merging into a pipe is still good. if you're going to build headers with mild steel you better do 14 Ga and shield it as opposed to heat wrapping, I can promise you the mild steel will not hold up well to the heat if you wrap it. It'll last for a while but unless relief points are built in they will warp and flake under the wrap. Leaks are hard to find with the wrap and will result in intermittent poor, or sluggish performance intermittently making the problem hard to resolve. It's very discouraging to have very good performance one day and noticeably less the next with no idea as to why.
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ericjon262
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SEP 29, 07:56 PM
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. [This message has been edited by ericjon262 (edited 09-11-2022).]
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Joseph Upson
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SEP 29, 08:07 PM
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| quote | Originally posted by ericjon262:
they will be built right, I'm going to design them/tack them together, and then have them professionally welded.
on a side note, do you know where I can get 14 ga mandrel bent tubing? 1.5" or 1.625"
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http://www.stans-headers.com/parts.htm
You will not likely have a problem with the welds, it's just mild steel and it will see higher temps for a longer duration with a turbo and that will take its toll regardless of who welds it up. Cast iron can absorb more heat because of the increased wall thickness and as long as it is not wrapped you are less likely to have a problem with it. One source for turbo manifold building is weld elbows. Try McMaster Carr for those.
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ericjon262
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SEP 29, 08:11 PM
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. [This message has been edited by ericjon262 (edited 09-11-2022).]
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ericjon262
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SEP 29, 11:27 PM
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. [This message has been edited by ericjon262 (edited 09-11-2022).]
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