I'm not giving up on the 180 degree headers,, they sound awesome. I have even thought about doing a dry sump system, that way I can run the headers under the engine. I'll figure out more as time goes on, I'm still stuck overseas for a while longer and won't be till next year before I can start to even work on it (it's just sitting in a garage right now).
Do you have a link to Dan's build log and/or pics of the engine bay? (I am searching but haven't found it yet) Thanks!
Too much work just to get a sound but to each their own. Just check out this guy:
The whistles go.... whoo whoo! - YouTube
Thanks, josh. I ended up going back to the beginning and found it the other evening. shoulda posted it for everyone. I emailed dan, and he said that he was running 2-3 different cooling mechanisms into the engine bay to keep the porsche transaxle (apparently doesn't like the heat) cool. He also mentioned that he is running a pan under the engine bay which makes me wonder if all would be good if the pan was removed and more airflow reached the engine bay that way???? He also self-fabricated the exhaust tooOh, and that engine isn't an LS. FWIW, the LS engines sit a bit higher in the bay too.
I don't think the x-pipe works. Look at the pic above from dan's build and watch that video you posted again....there is a big support area on the SLC where the exhaust x-pipe was on the other car.
Looking at the picture, it looks like it could fit underneath the cross brace. Above still looks like a possibility. I mean even the GTM guys have it, and made by Kooks to boot. :laugh:
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The stock stainless LS7/LS9 manifolds are hard to beat. They are hydroformed and surrounded in a stainless cover for heat protection. They can be found for as little as $100 a set.