95 LS400 trying to find headers

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Jan 3, 2012 | 03:04 PM

#16

aspade01

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From: MO

Quote:

Originally Posted by PureDrifter

it is simple. that site serves more than just the US, so driver/pass is more subjective than right/left.

a full exhaust + headers won't net you those gains, you would need some sort of fuel controller and a proper tune to get the most out of it.

Do you recommend anybody for ecu tuning?
I've mostly dealt with Honda's so I don't know anybody that deals with Toyota/Lexus ecu's.
I'm willing to have it sent out of state (I'm from Missouri), but I'm also going to look locally.
Its going to be a long time before I can pull off a build without my wife getting... upset.
At least that gives me time to plan and find resources.

Jan 3, 2012 | 03:06 PM

#17

PureDrifter

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From: California

you can't realy tune the factory ECU at all. the lex/toy ecu has never been officially "Cracked" like the honda/nissan/everything else.

either need to go piggyback (SAFC Neo/FIC/etc...) or full Standalone EMS (AEM, Megasquirt (not for obdii though...), MoTec, etc...).

Jan 3, 2012 | 05:05 PM

#18

aspade01

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From: MO

I don't know. I think I'd rather build the snot out of a S2K.
I'll have a while to think about it though.

I used to work as a mechanic in the military and my platoon sergeant used to jokingly say that if he painted an H on the front of all the trucks that I'd be able fix them all by myself.

My wife wants to build a del sol

for herself.
It might be easier if we both have Honda's.

I don't know... I'm so conflicted. I love the LS400's engine and I'm intrigued by the idea of having a build LS400, but I'm intimidated because its so out of my comfort zone. I like having to pick from dozens of manufactures for parts as opposed to having to diligently search for even one.

Jan 3, 2012 | 05:49 PM

#19

PureDrifter

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From: California

if you're worried about parts availability swap to a 2jz. (or buy an SC/GS300)

Jan 3, 2012 | 06:30 PM

#20

aspade01

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From: MO

Quote:

Originally Posted by PureDrifter

if you're worried about parts availability swap to a 2jz. (or buy an SC/GS300)

Hmmm... that sounds intriguing. Did any of the SC300s or GS300s have manual transmissions or would I have to get one from a supra?

Jan 3, 2012 | 06:55 PM

#21

aspade01

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From: MO

I'm going to keep my eyes out for a 92-95 SC300 with a 5 speed.
Is it easier to modify Lexus' if they're OBD1?
Please excuse my noobism.

Jan 6, 2012 | 02:54 PM

#22

2ndLS4

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From: Tennessee

Headers for !UZ

From the research I have done and other posts I have read, you can use performance headers for the 4.7 with slight modification to the firewall. There is always the other option of buying a header kit from Jegs and building them to your specifications. Of course this would require the proper equipment. Also, you can purchase a mock up kit from Stainless Headers MFG. This will allow you to figure everything out and send them back with a mock up that they build for you.

Jan 6, 2012 | 08:29 PM

#23

PureDrifter

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From: California

the 4.7 headers don't work with the SC, LS, or GS applications at all, they foul in multiple places.

having 1-off headers made is always an option but rarely a cost-effective one.