Sbc 400. stick with powerglide or go T-350. - Hot Rod Forum : Hotrodders Bulletin Board
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Old 12-19-2012, 07:28 PM
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Sbc 400. stick with powerglide or go T-350.

I'm having a hard time finding a torque converter with a decent amount of stall to put behind my 400. should I just go get this rebuilt th350 off this craigslist dude? I think torque converters 4 those would be a little more common for a highway cruiser.
are torque converters for the powerglide w/stall not used? woukd I be better going with the th350?

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Old 12-19-2012, 09:30 PM
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What stall are you looking for for the t400. Lots available from B/M or TCI.
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Old 12-19-2012, 09:40 PM
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street range between 2800 and 3000. . .
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Old 12-19-2012, 09:50 PM
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B/M part# 20413 is a Holeshot 3,000 stall convertor that fits 1965-1991 T400/T425/T375 and also fits 1968-1981 T350 and T375 for the years listed. Also is a torquemaster (larger size)13" convertor which is cheaper than the 10" first listed which is a 3,000 stall and part#20402. Won't spin up as fast as the smaller first convertor but a bit more finicky up and down because of the lighter weight.
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Old 12-19-2012, 09:53 PM
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Almost said that wrong, the light weight 10 convertor Holeshot is lighter and spins up easier, a bit to easy sometimes, depends on a persons driving habits. Cost is quite a bit more than the Torquemaster.
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Old 12-19-2012, 10:05 PM
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so are either one of these going to be compatible with my powerflide or I will have to become part of the th350 clan?
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Old 12-19-2012, 10:16 PM
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would this torque converter here:
Summit Racing® Torque Converters SUM-700333 - Mobile SummitRacing.com
be what would get me running the quickest and cheapest. I'm on a budget and wasn't expecting 2 spend much more 2 swap it in.
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Old 12-20-2012, 04:28 PM
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I would go with a 3 speed auto. Much better driveability.
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Old 12-20-2012, 04:36 PM
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I think I have found he powerglide converter I've been looking for. the man said he had used it on his chevette a few times @ the track and he believes the stall is 2500 - 2800. he said he will sell it 2 me for $75. so I think ima shoot tht route 4 now and save a few checks over the winter to come out in the spring with a 3spd maybe.

I like the powerglide for competitive purposes @ the track for gamblers races n stuff. tht 1 shift has had the car pretty consistent with the 307 and won me a few rnds. but its mostly just a street/highway cruiser 2 work daily.

one more? ?? tho. is 2500 stall enough for a 400? would it b more stall if in a heavier car? chevette<nova?
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Old 12-20-2012, 06:04 PM
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Quote:
Originally Posted by savage9scorpio View Post
I think I have found he powerglide converter I've been looking for. the man said he had used it on his chevette a few times @ the track and he believes the stall is 2500 - 2800. he said he will sell it 2 me for $75. so I think ima shoot tht route 4 now and save a few checks over the winter to come out in the spring with a 3spd maybe.

I like the powerglide for competitive purposes @ the track for gamblers races n stuff. tht 1 shift has had the car pretty consistent with the 307 and won me a few rnds. but its mostly just a street/highway cruiser 2 work daily.

one more? ?? tho. is 2500 stall enough for a 400? would it b more stall if in a heavier car? chevette<nova?
Sorry didn't read it right, you have a powerglide, Ok ya I only can find one Holeshot 2,400 stall for the powerglide fits 62-73, but for what your paying worth a shot used. I can understand the use of 1 shift applications for the powerglide, good for track but mostly for 1/8 or 1/4 mile. I sure don't like them for the street though, lame botom end and 1 shift and your done so lame top end. I usually swich to a 3 or 4sd, the 4sd is my favorite due to the lower 1st gear and the overdrive top gear, way better all around. A 400sb Gm will stall a bit higher just like a big block does due to cubic inchs. So if a converetor is used in a small block and stalls at 2,400 will stall about 2,600 with a big block. Good luck with the used, hope it works out for you.
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