Yes, by all means fix the flametrap issue, and make sure that the brass vacuum fitting(s) on the throttle body are clear; sometimes you have to use a small drill bit to ream out the coked crud in there.
Something else you might try, which most would call a "snake oil" cure, is a regimen of Auto-RX. This is an additive which will clean up your engine's internals, and supposedly help with old seals. Lots of people on www.bobistheoilguy.com have used Auto-RX and had good luck with it. You can add it to engine oil, ATF, etc. I used some to stop a power steering rack leak in my '85 245. It DOES work.
Actually, I think it's a lot easier to just drop the trans, not to pull the engine and trans together. You have to remove an awful lot of stuff to pull the engine and trans together. And on an auto tranny car, the shifter is much easier to deal with, just a couple of "E" retaining clips to remove and the linkage is out of the way. Yes, you have to disconnect the ATF cooler lines, but this is a good time to flush out the old fluid anyway.
You can't go wrong buying from IPD (www.ipdusa.com), although for some items they are more expensive. I've had very good luck dealing with Nick from www.fcpgroton.com.
Why is the wifemobile always the newest/nicest car? Because if momma ain't happy, ain't nobody happy! Actually, it should be the daughter away at college who has the newest or most reliable car. And in fact, my daughter did have the '94 944T for awhile at college, until she got married. Now her transportation issues are my son-in-law's problem. And my wife has the 940 back!
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Mike W., '79 242GT (project car), '85 245DL (daily driver 1), '87 245 DL (daily driver 2), '90 244DL (project car), '91 744T (daily driver 3), '92 245DL (parts car), '94 944T (wifemobile), Largo, FL
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