LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

91 ls400 - need more power!

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Old 04-12-15, 04:35 AM
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chrissunbu
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Default 91 ls400 - need more power!




Buffed the **** out of it.. not bad for a 91.. looking to add more power. Any ideas?

Last edited by RA40; 04-14-15 at 11:06 AM. Reason: descriptive title
Old 04-12-15, 12:12 PM
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dicer
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How about a AA fuel hemi?

I think they have enough from the factory to do 150 mph or so don't they? A nice new overhauled engine would likely give all the power you need to drive on the average road in the US.
Old 04-13-15, 04:28 PM
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timmy0tool
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supercharger! any other small mods will not really net a drastic result in power. you can also just shed some of the weight off the car to get it to accelerate better.
Old 04-13-15, 09:29 PM
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KA8
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Nice!

As for more power just sell it get LS430 or 98-00 LS400, not very cost effective to make 1st gen LS400's faster
Old 04-13-15, 10:38 PM
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dicer
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Originally Posted by KA8
Nice!

As for more power just sell it get LS430 or 98-00 LS400, not very cost effective to make 1st gen LS400's faster
Yeah and messing them up just drastically lowers the resale value, and destines them to a scrap yard, I guess that just makes our originals more valuable.
Old 04-14-15, 04:00 PM
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UNCNOR
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Originally Posted by dicer
Yeah and messing them up just drastically lowers the resale value, and destines them to a scrap yard, I guess that just makes our originals more valuable.
Second !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Old 04-14-15, 08:44 PM
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cgawelko
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I added a MAPECU3, injectors, and a few other little odds and ends to mine. Had her SCREAMIN! tearng up rear tires more than a fat kid does reeses pieces.
Old 04-14-15, 11:30 PM
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dicer
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If your going to add more power and do burn outs you had better lose the rubber U joints in the drive line that is the weak point. Same with the rubbers holding the rear end to the rear sub frame.
If I was going to hop up a car an LS400 would be the last thing I would think of doing that to. I'd rather do it to something that looks like a performance car and has 2 doors, and lots and lots of performance parts available for it. Sorry but it looks flat goofy to mod a luxury 4 door sedan. And a super waste of money. The resale on modded ls's is zero. If you gotta have that there are lots of em on craigslist with the funky no clearance wheels and fenders bent from them, exhausts removed and messed up. Pretty much no one ever buys them. You could save a bunch cause the parts and work is already done. Sell the good one, pocket the extra cash and spend less than half you sell yours for to buy the fancy one.

Edits to fix some bad spelling etc.

Last edited by dicer; 04-15-15 at 11:07 AM.
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