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Great info dude! This will save me some trouble, i am moving my cats from the down pipes and going mid 90's style on my '99. Converting to FED emissions so i'll be looking for pipes in the JY tomorrow.


The exhaust was a PITA. <img src="/forums/images/graemlins/frown.gif" alt="" /> Why Mitsu couldn't just make the driver side down pipe ... sigh. Let me know if you need pics of the mod. Keep forgetting to take some. smile

How are you going to get from 4 O2 sensors to 2 O2 sensors? The FED versions have one O2 sensor for and one aft of the one big CAT. CAL wiring is a good bit different from the FED wiring so you can't just swap ECMs.

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Do you know if the manifolds are the same between the FED and CA model 3.5's?


AFAIK, the manifolds are the same between the 3.0L and 3.5L irrespective of CAL or FED as well as year. '97 through '05.

We checked and test fit both my 3.0L and 3.5L manifolds on my 3.5L and my old 3.0L. Identical. Remember the techs saying the manifolds are the same between CAL and FED and I remember the parts people saying the same.

Can't imagine them being different. There's nothing in the manifolds like emissions stuff and the '00-'05 FED design is the CAL '98/99 design.

Edward

'97 Montero Sport LS 5-Speed 3.5L conversion
SAS Dana 44s & ARBs, 35" Yoko Geolandar M/Ts
NP231 B4R doubler/Terra Low231/RP 5.38 229:1
'99 Montero Sport Limited 4WD SAS 3-link project
'03 Montero Sport Limited AWD
'97 Montero Sport LS 5-Speed 4WD