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Originally Posted by just501
Thanks, but the 350 is in the car, and I have no intention of pulling it to rebuild the bottom end. That being said, I have read a lot about his 383, and I am quite impressed by his results. Will keep that in mind if I do another 350. I plan to use his 4" stroker and rotating assembly on my 400 when I build it.
Will, thanks for the suggestions. I have a set of repro long branch manifolds that will be put on in the near future. Not really wanting to go with headers, although I know that would really wake it up.
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The repro long branches are a good design and will really help, especially if you put a good, free flowing system behind them. 2.5" minimum diameter, mandrel bent, with an X-crossover and free flowing mufflers. No, they're not as good as a 4-tube header but in your combination the headers might be worth an additional 15 horses or so. You can make that power up elsewhere.
Oh, have to agree on the carb comments above. The E-brock carbs, in my opinion, are garbage. Get a well-tuned Q-jet or a Holley on there. If an 800 cfm Holley isn't too big for a healthy 400 then a 750 should be fine for a 350. I wouldn't go smaller than a 650 in any case. The Holley "universal" 600 cfm carbs aren't bad units, but aren't enough carb for a healthy 350 either. I'd rather have a 650 DP or a 700 vacuum secondaries on there.
Oh, and another thought on cams - give the Crower 60241 some serious consideration. That should be a very powerful cam in your combo.
Good luck!