230's and a stock converter will give you a crappy running car. I've also provided cams to 6.0/6.2 guys in the low 230's and are pushing close to 500hp at the wheels - of course those are running excellent heads, headers, low restriction exhaust, and WELL tuned.
Most of the LS cams I've designed/proved to people have had at least a 30 degree int/exh duration split, usually a smaller intake than what people expect, and they make killer midrange. I provided a 227/259 on a 113 for a mild LS2 Corvette recently, and the guy tells me how much he loves it every time we talk.
For what you've said, especially the stock converter, I'd back of a bit from that design. I've never designed one that mild, or else I'd share specs with you :-)
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'73 T/A (clone). Low budget stock headed 8.3:1 455, 222/242 116lsa .443/.435 cam. FAST Sportsman EFI, 315rwhp/385rwtq on 87 octane. 13.12 @103.2, 1.91 60'.
'67 Firebird [sold], ; 11.27 @ 119.61, 7.167 @ 96.07, with UD 280/280 (108LSA/ 109 ICL)solid cam. [1.537, 7.233 @93.61, 11.46 @ 115.4 w/ old UD 288/296 108 hydraulic cam] Feb '05 HPP, home-ported "16" D-ports, dished pistons (pump gas only), 3.42 gears, 275/60 DR's, 750DP, T2, full exhaust
My webpage http://lnlpd.com/home
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