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Old 07-21-2019, 06:50 PM   #1
Cbo68
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Join Date: Mar 2018
Location: Kent Washington
Posts: 42
Torq converter help

I have a 68 K20 with a 350/th350 combo. I picked up the transmission without a torque converter and needing help on the right one. I like the B&M converters but curious as to what stall. Here is what Im working with for a cam and gear ratios.

Lift
.450 intake .460 exhaust
Duration
222 intake, 222 exhaust @ .050" tappet
Centerline
114 ATDC intake, 114 BTDC exhaust
Rpm Range
2000-6000

Dana 44 14 bolt
4.10 ratio

Also any insight on how you decide this information. Ive always just went 500rpm over the low end cam range but I know weight of vehicle and gear ratio play a factor. Thanks
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Old 07-22-2019, 07:28 AM   #2
Stormin08
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Join Date: Sep 2018
Location: Moss Bluff, LA
Posts: 262
Re: Torq converter help

mostly street driving ???

the 500 over seems fine, the gearing and tire size will feel like a slightly higher stall.

all depends on how you want to drive it....we have a very nice Chevy SS driving around (fully built), probably has a 3500 stall, and it sounds nasty at idle...but in town driving it sounds ill due to the converter stall. it is not street friendly at all.
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Old 07-22-2019, 02:16 PM   #3
Cbo68
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Join Date: Mar 2018
Location: Kent Washington
Posts: 42
Re: Torq converter help

Yeah mostly street driving with the occasional snow fun in the winter
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