Here are some new diagrams for a 1991 LS400 for ya guys! They will be the same for 1990-1992 (and possible until 1994) I beleive.

 

another

 

and another

 

geeez, and ANOTHER!@

 

But I got a question I was wondering if you guys could answer. I want to just take off the mufflers on my LS400, but then there won't be any pipe near the back-end of the car. Where can I get a extension pipe so the exaust outlet extension after my mufflers are taken off?

 

go to a muffler shop.. you want to extend the pipe all the way to the back .. right? that what u want?

 

exactly--but is there any place that I can order this on the internet?

 

off the internet .. i dont know... you must go to a muffler shop unless you know the exact dimensions whatnot

 

Where can I find out how fast my car runs the 1/4 mile?

 

dynos, drag race strip.. do a search on the internet

 

Hey Jason,
Do you know where I could find the AC filter? Some people said it is on the backside of the glove compartment

Thanks,
Dominic

 

Yes, that is where the AC (cabin) filter is. It is not to the far right but closer to the middle. My question to you is, where did you get the AC filter replacement? I have actually been looking for one. Thanks,

-Jason Elcan

 

90-92 LS400 do not have a AC filter.. the rest do and get it from lexus.. 15 bucks

 

Also, what can I use to clean my spark-plug holes? Please be sure that it won't build up water inside the holes, because if it does, then I could hydro-lock my engine.......this is the only reason I haven't cleaned them yet. Thanks for all of your time!

-Jason Elcan

 

i dont know how to clean them... why clean them? This engine will NEVER break down on you man.. trust me...


btw how old are you? you remind me of ME about 6 months ago