So... not good news. I had a reputable local transmission shop check out the no-lock-up condition of my torque converter. The electrics all checked out fine, from the brake pedal to the solenoid. The converter clutch itself, however, is shredded, with the clutch material all over the transmission pan (and I'm assuming also up in the transmission). So I contacted Full Throttle Speed because they are the ones who sold the TC to the guy I bought the car from. It was delivered to him in March of 2020 and has a 1 year warranty, so, too bad, so sad, you snooze, you lose. Never mind that the TC clutch was bad when I bought the car back in September. So I contacted Performance Torque Converters (PTC) who made the TC, but they haven't answered yet. My assumption is that they'll say the same thing. Times up, warranty is over, we didn't sell the TC to the previous owner, etc. Sorry, too bad, so sad. I know enough to know that the seller, a private individual, has no liability. He never said the TC clutch was good and in any case, #1 rule in buying a used car from a private individual, let the buyer beware. I guess I didn't beware enough.
So I guess the bottom line is that I'm looking for a good torque converter, equivalent to the PTC 10-700-27 LU S. I'm not racing anymore (at least not at a dragstrip), but I want a good TC that will stand up for more than a few months.
I'm not too happy with PTC, although they may change my mind, depending on how they reply to my message. I've read good things about Dave Husek TCs but they are pricey. Billy Anderson at Performance Automotive East in Maryland claims his lock-up torque convertors are better than PTC's, although he recommends their non-lock-up TCs if you want non-lock-up. His are pricey too. That's not necessarily a stumbling block, but expensive is relative, I know. These two are just under $1000 each and price doesn't necessarily equal quality. Plus I've seen others for over $3K, which IS too much.
The car is tuned for alcohol injection, has the basic fuel/air stuff (more powerful fuel pump, adustable FPR, big K&N air filter), has a TurboTweak 5.7 chip with matching TT 42lb injectors, a Precision Turbo 5858 turbo, 3" MAF pipe with LT1 MAF sensor and translator, 3" downpipe into a cutout pipe that flows into a 3" Pypes dual exhaust (Race Pro). Lots of other stuff, but those are the basic engine bolt-ons. So, according to the previous owner, tuned for the 2800rpm stall PTC lock-up converter.
Bottom line: I've been out of the TR game for too long to know who makes the best torque converters that are a balance of performance, durability and price. Any recommendation s?
Keith