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Old 04-14-2006, 09:04 PM
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TSI torque converter? Good or Bad?

I am in need of a torque converter, looking for a 2500 stall or so and not to break my wallet. This is for a th350, 3.73 gear, and a 450 horse 406 in 72 nova(shift kit, cooler, rebuilt. all the goods)

I think I may have found one on ebay, it is a 2400-2800 stall from TSI and is rated to 500HP for $130, that seems to be a great deal. Here's a link http://cgi.ebay.com/ebaymotors/NEW-T...QQcmdZViewItem

Ive never heard of TSI before..So..has anyone used from this company? Is it a good quality?

It's either this one, or a Jegs 12" street converter 2300-2700 stall small 10.75 bolt circle for $130

Also how do I tell if I have a small bolt pattern or a dual pattern flexplate? And on the jegs it says "GM vehicles with varible pitch trans must have the pump and input shaft changed to a fixed pitch design to use this converter" What the heck does that mean and how can I tell if I have one of those?

Which one? Any other thoughts or suggestions? Thanks!

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Old 04-14-2006, 09:45 PM
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TSI I was thinking of course thats a reputable brand and then I remembered its TCI that is the reputable brand. They are counting on people mixing up the names! I would not trust it.
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Old 04-15-2006, 06:33 AM
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I am running this exact converter for 3 years. Mine stalls about 2500rpm behind a 435hp 408sbc. My new motor (421cid) hopefully will be over 500hp and I still plan on running this converter.
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Old 04-15-2006, 09:40 AM
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TSI is different than Transmission Specialties. Both are good trans companies.
The advertised converter is from the latter. They have been building converters for 20+ years. Go for it. The price is very good.
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