modain
GenIII
 
10/20/2005
18:54:50
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 Subject: 2.5L TB Size - Upgrade Choices
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Message:
I've been looking into the possibility of putting a Jeep 4.0L TB onto my son's 2.5L Dakota. I've run across lots of posts indicating that popping a 4.0L TB onto this engine will give it a noticable (but small) HP boost.
I can't seem to find what the stock 2.5L TB size is, what the stock 4.0L TB size is, and how big I can go before affecting the performance in the wrong direction. And also, what years will these parts interchange.
As always, any guidance is much appreciated. I'm gonna post this on the open forum to solicit a wider range of responses (good, bad, and useless), also.
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2002 Graphite QC SLT Plus, 4.7L, NV3500, Superchips 3715, 3.92 LSD, loads o'fun...
2001 Patriot Blue Durango SLT, 4.7L, 45RFE, Superchips 3715, 3.55 Open (for now)
1999 Forrest Green Dakota RC Sport, 2.5L, NV1500, 3.55 Open
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