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cotharyus
Dodge Dakota
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3/06/2002
10:24:34
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 Subject: 2.5L TB info
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So far I've heard two things that can be done with the TB on a 2.5 - KRC does some custom porting work, and I've seen a couple of mentions of using a jeep 4.0 TB. Can anyone discuss in depth the pros and cons of going each way power and effeciency wise? Does anyone have either solution in place? How's it work?
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Ripper_242
Dodge Dakota
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3/08/2002
00:03:01
| RE: 2.5L TB info
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cotharyus- Check this site out
http://www.sportruck.com/howto/howto.htm
It helped me in my decisions on what mods to do on my truck.
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Cotharyus
Dodge Dakota
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3/08/2002
08:57:47
| RE: 2.5L TB info
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Thanks ripper_242 - It's a good looking site, unfortunately, it doesn't deal alot with my current issue, which is which route to take on the TB upgrade.
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2pnt5ltrluv
GenIII
3/08/2002
13:02:09
| RE: 2.5L TB info
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Coth- Not sure if you have been to this site yet:
http://homepage.mac.com/jyokomura/tech/throttlebody01/
But it sealed the deal for me. I am putting in my t-body next week.
Four- Banger with:
Ran outta space to list mods...hehe Check profile.
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Cotharyus
Dodge Dakota
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3/08/2002
14:00:34
| RE: 2.5L TB info
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Message:
2pnt5ltrluv - I looked at that - notice I'm asking about it now:) - If I understand correctly, they're putting a stock 4.0 jeep TB on a 2.5L correct? I'm wondering what the advantages to that are vs using a bored TB from KRC - obviously the cost is going to be higher on the 4.0 TB - KRC will make your TB, ship it to you, you swap the old with the new, send back the old, and get your core deposite back - I think it ends up being about $200 - I also haven't seen anything firm on horse power. Both appear to have a reasonable gain, but then the only info I have from either is having talked to KRC and having read the web page you reference.
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2pnt5ltrluv
GenIII
3/08/2002
14:25:44
| RE: 2.5L TB info
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Message:
Well, from what I could gather, the bored 2.5L t-body from Turbo City or KRC would probably be close to the same specs as a stock 4.0L t-body. If you went to a bored 4.0L t-body, I would imagine that the gains would be in the 10 hp range. TurboCity states that the Ported 2.5L T-body gives a 4-6 hp gain with stock engine, and the 4.0L would give a 6-8hp gain with stock engine. Based on this, I think that adding the stock 4.0L to the 2.5L engine will yield about 4-6 hp. Now when added to a bunch of different mods, a 4-6hp increase can be significant especially when adding an intake kit, exhaust, etc. TurboCity also states that if you change the t-body, exhaust and intake you should yield a 30-33 hp increase.
http://www.turbocity.com/JeepStagePowerKits.htm
Kris
Four- Banger with:
Ran outta space to list mods...hehe Check profile.
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Ripper_242
Dodge Dakota
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3/09/2002
01:51:38
| RE: 2.5L TB info
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Jeep 4.0 TB would be a better way to go in my opinion. It cost less and will perform equal or better than a custom one at KRC. The only disadvantage with the Jeep 4.0 TB is trying to find one in your area.
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2pnt5ltrluv
GenIII
3/09/2002
11:36:16
| RE: 2.5L TB info
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Message:
yeah, it was tough finding one where I live, but I was lucky enough to find one on ebay for $37.
Kris
Four- Banger with:
Ran outta space to list mods...hehe Check profile.
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