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

What year did LS go COP?

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Old 01-31-09, 07:14 PM
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91 LS400
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Question What year did LS go COP?

and has it be done to 1st gen/UCF10 ? best after market PCM? will valve covers fit?
Old 01-31-09, 07:19 PM
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LiCelsior
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cop? pcm???
Old 01-31-09, 07:19 PM
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1995 - 2000 Lexus LS 400 Sedan V8 (Engine: 1UZFE) C.O.P. Coil on plug You're Under Arrest
http://www.bristoldyno.com/info/procedure.htm
Powertrain Control Module (PCM) or ECM Something

Last edited by 91 LS400; 01-31-09 at 07:35 PM.
Old 01-31-09, 07:34 PM
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JBrady
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Actually it was 1998+ along with VVTi and dual changing length intake manifold runners.
Old 01-31-09, 07:40 PM
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I don't think that 98 V.C. will fit
Old 01-31-09, 07:42 PM
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LiCelsior
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oh...yea dont think a coil over plug was ever done to the 90-94 LS400s..also not much aftermarket computers for the first gen 1uzfe also..cept the mines ecu.
Old 01-31-09, 08:21 PM
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PureDrifter
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98+ are all coil on plug. SHOULD fit earlier models but you have to retrofit a distributor and get the ECU to see it and work it properly
Old 02-01-09, 07:43 AM
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MEANDAFAKA
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wats wrong with the traditional plugs and wires?? oldd school baby, keep it old school.
Old 02-01-09, 11:27 AM
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Originally Posted by MEANDAFAKA
wats wrong with the traditional plugs and wires?? oldd school baby, keep it old school.
less to go wrong and better spark.

plus no more replacing wires
Old 02-02-09, 07:43 AM
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COP on pre-98 engines is doable in many ways. For some in depth reading go here:

http://lextreme.com/forums/showthread.php?t=7904&page=2


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