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I'm wondering what would be the power/performance gains, if one was to swap out stock 1uz parts with TRD parts. Such as but not limited to crank(trd),valves(2jz), springs(2jz), Cams(if its even possible TRD) and any thing else one can think of. My line of thinking is like the BMW "M" or the...

So has anyone confirmed if the 2jz valves work for the 1uz? what advantage would that have?

What advantage (if any) would this "upgrade" have as far as the 1uz is concerned?

There is a person on Club Lexus selling a set of JIC coil overs for $750 I would have bought them but no dampening. Look in the LS classifieds if interested.

I know it is better then stock I just want to make sure it works well enough for such big wheels what with rotational mass and all.

I'm going to get 19" or 20" wheels some day, will the supra TT brake upgrade be sufficient for stopping power, or should I go with the RMM, or Brembo set up. Both options are expensive relating to the TT cost.

Shame on you tobes for pissing on our camp fire 5.5 liters.....we can all dream. On a more realistic note how much tooling, cutting, grinding, fabricating, hammering & nailing, super glueing, and duct taping of an engine can you do and still call it a 1uz. And how much of that could you...

how about the pistons ? I can't seem to find the thread with the custom piston.

So if you did this with the stock crank from 1uz how many liters then. what about pistons? I'm guessing they wouldn't be stock. would we use thoose ones you posted the other day?

This sounds ...really good, being the low mech person that I am, please clarify, this is the 1uz block were talking here ... right!

Some are replacable if I remeber correctly. the easiest way to find out is take it apart. Tell you what Ill go do that right now and get back with you on it.

Are there any updates on this or is this a dead topic now?

sorry I posted the question before readinga few threads that answered the question.

Is the 2uz the gen2 LS motor? If so, what is the tranny 4 or 5 speed?

How much less capcity? (no point in all the work if it only comes out to 4.3)

For the 5.0 what are we talking cost wise???? I've seen a 5.0 kit made by C's in Hyper Rev, but I guess that is for the 2uz. Is there a similar kit for the 1uz?

Hey all, I 'm considering some major "go fast" for my gen1 LS (1uz) I'd like to make it a 5.0, and I would also like to supercharge it. I'm not at all a mechanic,so I won't be doing this myself and I don't know much of the tech stuff, so take it easy on me with your responses. What should I do...

Not being a tunner guy I got a question. What is a "sump"?

would it be possible to place the drive motor/tranny from a late model gs430 into a gen1 LS400?