go with the 2500 range converter with the gears in your car the higher stall converter would build to much heat and throttle response would seem mushy unless your going to strickly drag the car then you would want 4.11 or steeper gears and a 3000 or higher stall converter

 

I'd go with the 2500 stall because I did in the past. I had a highly modded 700-R4 with one mean shift kit, 2500 stall, the stock 180 horse engine, and 3:08 gears. I had TONS of fun with that set up, it would snap your head back off the line and had great performance through the gears, at times I wondered if she had more than 180 horses.

You'll be happy with the 2500 stall, you'll still be able to drive it on the street, but also be able to kick some ass when the need arises.:thumbsup:

 

Sounds like B&M's recommendation is for best performance. If you drag race a lot, the 3000 rpm stall would work good but you are definitely going to feel it on the street. If your car is a street car, go with the 2500 rpm stall.

 

the cams STATED, designed rpm range is 2500rpm-up, thats USUALLY based on a 350 displacement, your larger 383 displacement will tend to lower the rpm band very slightly, youll want to have a stall speed SLIGHTLY HIGHER, say 2600-2800RPM to get the best compromise between responce and driveability, a 2500rpm stall with that cam will tend to or will give a soft transition, higher than about 3000rpm will waste too much of the cams lower rpm torque bands useful range.
having done this on numerious cars I can assure you that while you can use anything from 2500rpm-3000rpm and get a fairly useful combo, getting the choice correct will make for a much nicer combo

 

B&M's holeshot comes in a 2400 and 3000.
There are no converters in the 2600-2800 range at my local performance shops in Canada. When I order from the US, customs rapes me for taxes and duty, and if I have problems returning the part is usually too costly to return and re-ship.

What brand do you recomend for this 2600-2800 range?

Thanks

 

Not to rob your post but I have a 385 Fast Burn, 2004R stage 3, with a 2400 stall, and after 15 to 20 miles of crawling these hill in New Hampshire I have a trany temp of 160. So Bow Tie says tranny fuild needs to be less than 150. And yes I do have a cooler. At 2500 rpm I have 75 mph and my temp drops to 90. My ? is i is worth it or is there a beneifit to drop to an 1800. From what I undrestand these stalls loick-up at rpm range, right? With out any power increase? Isn't or is it better to draw the power of the motor than to slam it all thru the drive train, or am I being to kind to the drive train?



Michael.

 

Try running the cooler by itself, no radiator cooler. Lock up means it isn't slipping, thusly, less heat.

 

yup thats my point, what is the advantage of slippen to 2400 stall? Bring her up to 2500 and drop it in gear? Explain more, new to an auto trany, yet really like it. Need some guide lines on how to push it to stay in the safe range of the stock drive-shaft, last piece to change. I almost think I have been babing this toy.

 

What you really want is the very efficient TC's. Like the 9.5 inch that only have 200-300 rpm loss at most under light cruise conditions when driven under their rated stall.

I drove 1000's of miles after my three lockup clutch burned out with 3500 stall.

In the non lockup types it is really no big deal to have 3500 or 3800 stall. You buy crap like B&M hole shot or Street fighter and your car is going to run at 3000 rpm all the time until your exceed those rpm. Cheap junk!!!!!!!!!!!!!!

You have to buy these about $700 Tc's from Vigilanty, Protorque and Art Carr.

Smaller diameter is also like a lightweight clutch/flywheel. No load on the motor when you drop it in gear. I even tried a 8 inch for period of time

 

I have a 74 with a 454, TH400, and 3.08. Motor is being rebuilt with a longer duration hydraulic roller cam so while the engine is out I'm considering going from the stock 1600 rpm converter to a 2500. How much more RPM will I be turning on the highway? Right now I'm at about 3000 at 70 mph.

Thanks.