Not a camaro question , but I have a chevy luv with a 355 small block and th-350 , 4.11 9" rear axle . It recently chassis dynoed at 345 hp and 332 ftlbs torque . It weighes around 2925 and i run a 26 x 8.5 x 15 et drag or a 255/60/15 street tire . I currently have a B&M hole shot 3000 that stalls at 2900 . My 60 ' times are 1.68 and it runs in the 11.8 range . My question is how much more converter can I put in this thing ? I have run 235 /60/15 drag radials and have run a 1.62 60' spinning . I feel as though I need more converter . Say a 3500 that would stall at say 3200 or 3300 . How much is to much?

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It's interesting that you've referred to all kinds of rpm numbers except the ones that really count. What does your dyno curve look like? I'll bet there were a lot more numbers printed besides 345 and 332.

Basically the motor starts good making power @3000 . tq stays above 300 untill 6000 . The heads are 210 fastburns and are on the big side . The cam is 236/244 @.050 544/560 hydraulic roller . I bought the top end for a 383/396 combo and a forged 355 fell in my lap for cheap . What #'s are you looking for ?

What numbers? How about the torque values from 3000 to 6000 every 500 rpm.

Low rpm torque on a chassis dyno can be skewed quite a bit by the multiplication of the torque converter, so I wouldn't put a lot of emphasis on the low rpms. If you have 300#ft @ 6000 rpm, I would extrapolate that your power peak is somewhere near there, as 300#ft @ 6000 rpm is 343 hp. If it was me and I wanted to go quick, I would select a converter that stalled about 1500-1800 rpm below the power peak and use some real sticky tires.

I guess the question was more along the lines of is a 3300 - 3800 rpm converter still streetable or am i just looking to cook transmissions . I drive this thing alot and don't want it not street friendly .

At 3000# cruising weight with 4.11 gears you aren't going to be putting a whole lot of load on the converter. If you buy the cheapest converter you can find you might have some problems, but a quality, purpose built 4200 stall converter and a good cooler will work just fine.

Will to much stall slow the truck down ?

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There's only one stall speed that's just right for your setup. If you go higher or lower than this your truck won't be as quick. There is a difference between speed and e.t. The converter that gives you the maximum speed usually won't be the one that produces the lowest elapsed time.