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Wait, you have or have not installed the 550's? As far as I know (no actual experience with the lex/550 combo) you need to do both at the same time to have it run smooth at all, or else you are giving it too much air or too much fuel. Aside from that, it seems like your timing may be way out...

If you are stock, are you running over 10 psi of boost? I've experienced boost cut as low as 10.5-11 psi, although most experience it around 12-13 psi. And as always, boost leaks are a big problem. Check the piping all the way from the turbo compressor to the throttle body. Some people have...

Funny that I was actually just talking to someone about the decision I'm gonna have to make pretty soon (I'm getting to the point where I could go either way with the mods). I already have a fairly nice supra with a clean interior and a built engine with supporting mods (62-1, IC, manifold...

Original thread about the situation: http://www.supramania.com/forums/showthread.php?t=69523 The first two pics are of mine (the PP isn't showing the damage on that side). The other pics down a few posts are another guy's. Mine was a little less drastic on the bell housing, but exactly the...

Yeah, I wont be seeing over 400 for a little while (a year or two, which will be when I graduate / get a real job) and I already have the 6 puck in good condition. Also, I probably wont be drag racing it at all (maybe once a year), it just happened to be the first trip out to the strip with...

Ok... so not going multi-disc is 'cheaping out' now? I never said this was permanent, I am just looking for a temporary solution to my current situation. I know that I will be paying more in the long run by getting a setup and then replacing it, but sometimes that is better than trying to...

So I am starting to lean more towards the stock PP, SPEC 6 puck sprung disc (what is on there now, minus the PP), and fidanza flywheel combo. I'll most likely be in the 300-400 hp range for a while, so the PP should hold with maybe a few slips here and there when I'm higher in the hp range. I...

Yeah, 10 psi is my daily pressure and is what the wastegate is set to. And now that I think about it, it is probably around the range of a brand new mustang GT, maybe a little more (I raced a guy before I had the maft-pro and I would walk up on him and then fall back at 4500 rpm due to boost...

Yeah, that was actually the 3rd run of the first visit to the drag strip since the engine had been rebuilt and most of the mods done (including the clutch). Also, I missed third and I heard/felt it give out when I did get back into third (gas > disengage > gas > engage > gas > pop). I know...

Heh, yeah I found numerous cases of this after it happened :P. Live and learn I guess. I don't think that a multi-disc is gonna be required for my current setup. Also, wasn't ACT the one that some people were talking about clamping forces being so high that it was causing crank walk, or was...

Hey guys, it's been awhile since I've been on SM. Between the supra's pressure plate giving out, buying a tacoma, and interning 300 miles away from the supra for the summer, the supra has been put on the backburner. Now since it's well into summer, I'm starting to do some research about where...

Yeah, common problem. Most of the time you can just tighten down the screws/bolts and it might solve it. You can buy new gaskets if they are all old and dried up. If they are leaking up near the front of the engine, you might just put a couple dabs of RTV sealant where the gasket makes a...

Yup, agreed. I love my targa. The times when I do have it off is when I'm just cruising around or having a little fun. If I really want to get into "serious" driving, I just put it back on, zero flex.

No one has any idea or experience?

I had my SPEC stage 3 pressure plate's strapping bust on me recently. I checked it out today and I think my clutch disc is fine. Can I use something like the 520 ft/lb rated Southbend pressure plate with the SPEC 6 puck sprung disc (from a SPEC stage 3, 520 ft/lb rated clutch set)? It would...

I think that if I were to just keep the clutch pushed in and coasted out the rest of the run, I wouldn't have broken it. Even though it sounded like one noise, I knew that I missed the gear when I let out on the clutch / applied gas, then pushed in the clutch / put into gear, then bad things...

Well damn. It seems that every time a meet comes up, my supra decides to break: http://www.supramania.com/forums/showthread.php?t=69523 . On a related note, if anyone has a R154 bell housing that they would like to sell, please let me know!

I wonder if it is a SPEC stage 3 thing. I guess it could happen to any brand given the right conditions. It kinda sucks though because the clutch assembly / engine has less than 3500 miles on it and the transmission has less than about 1000 (fully rebuilt). The first obvious thing I'll be...

Yeah, the last I drove it was to limp it home from the track. It's been sitting in the garage while I drive an old previa mini van around :P (I'm buying a ~2000 tacoma pretty soon to be my daily driver). I'm hoping it's not the input shaft for the tranny. But then if it was that, then the...

*cliffs at the end :P* Well a few weeks ago I went down to the drag strip because I had finally worked out all the problems and the maft-pro had been running fine for a few weeks prior. I made three passes, all of them were horrible. I blew apart the upper IC piping in the first two and the...