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LOGIC71B
Dodge Dakota
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9/03/2002
23:41:51
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 Subject: V8 TB
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Finally put it in today! I am not complaining one bet, the install went too easy, and now it runs great. I just have to watch how hard I press on the gas when coming through town.
"next project!?!"
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toolman
Dodge Dakota
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9/04/2002
02:50:00
|  RE: V8 TB
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did you put a v-8 throttle body on a 3.9? if so are the butterflies bigger? please respond on this one because im building a new v-6 gee a little head work, bigger throttle body,dyno max or other after mkt.exh, jetchip - im ready to fly!!!!!!! thanks
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Todd W
GenIII
9/04/2002
09:04:25
| RE: V8 TB
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Yes, they are. Typically people are putting the 50mm V8 throttle body on the V6, which I think usually has a 46mm or a 48mm, I don't recall which... it requires the changing of the throttle body cable as well, do to different linkages.
"I think I hit my excitement threshold about ten minutes ago..."
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clay
Dodge Dakota
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9/04/2002
10:56:15
|  RE: V8 TB
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Hey, I just did the same thing. My donor TB came off of a 360 and went on my 3.9. It kicks a**. The one thing I noticed was that the intake plane was way to small. do you think that I could take a dremel and increase the size of the intake
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Todd W
GenIII
9/04/2002
14:43:47
| RE: V8 TB
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You probally could, but the 5.9L (360) typically has a 52mm TB. Those are considered to be a mite big for the 3.9L from what I've heard. You might be able to dremel the intake down, but you may notice a decrease in torque doing so. Hard to say, let us know either way!
"I think I hit my excitement threshold about ten minutes ago..."
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Todd W
GenIII
9/04/2002
14:46:26
| RE: V8 TB
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Oh, yeah, if you have a Dremel, consider removing the 'air horns' across the top of the TB. You'll know what they are when you look at it. You can grind the TB face flat, it improves airflow going into the butterflys a bit. You can also remove the 'torque step' just above the butterflys themseves. I did it with my 3.9L's stock TB and noticed a nice improvement.
I'm probally going to get one of those custom jobs from Speedtweaks though at a later time (when I have cash).
"I think I hit my excitement threshold about ten minutes ago..."
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LOGIC71B
Dodge Dakota
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9/04/2002
23:53:53
| RE: V8 TB
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Hey TOOLMAN,
yes, to your question! It came off of '98 ram with the 360 in it. It is the same throttle body that is used on the 318. No problems, its a direct fit, but like Todd stated you will have to change out the accel. cable. I picked one up for $15 bucks at a salvage yard. The dealer wanted (no joke!) $40 bucks for it!
I noticed that for the first time I was able to climb these TX hills in overdrive. I run the 5sp NV3500 tranny (slopy beast of a tranny!~)
Next I plan on taking off the air horns, and openning the intake ports just a little.
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RACERDY
GenIII
9/05/2002
10:27:52
| RE: V8 TB
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If I was going to order a v-8 throttle body. Witch engine do you choose when ordering? 4.7 or 5.9? also what other linkage is thier to replace? and finally could this be done in a driveway with simple tools? Thank You.
RACERDY
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clay
Dodge Dakota
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9/05/2002
10:37:40
| RE: V8 TB
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sure I did mine in about 10 minutes with one socket set and a screwdriver.
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clay
Dodge Dakota
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9/05/2002
10:57:13
| RE: V8 TB
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As I got it out on the road I did notice a bit of torque loss when getting around 50 or 60 miles an hour. I dont want to trade the TB back to originall so what can I do to even out my power band.
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LOGIC71B
Dodge Dakota
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9/05/2002
11:32:32
| RE: V8 TB
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Racerdy,
The 4.7 is the jeep isn't it?! So, on that note if your vehicle is a dakota/durango/ram the 5.2/5.9 would be best. I ordered mine off of the same year ram; '98. The 5.2L and the 5.9L have the same throttle body.
Yes, simple hand tools: screw driver, socket(half inch), and a pair of pliars(if you prefer) is all you need to do this in your drive way.
The only linkage you should need to raplace is the accel. cable on the manual tranny setups.
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darren
Dodge Dakota
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9/05/2002
12:52:24
|  RE: V8 TB
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Can i put a 5.2 TB on my 91 3.9 will it make a diff
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RACERDY
GenIII
9/05/2002
12:54:54
| RE: V8 TB
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Whoops, I dont where 4.7 came from. Thank you for your info. Just wondering if i were to get a accel cable in advance where can I find one and what do I ask for?. Thank You
RACERDY
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Dale
Dodge Dakota
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9/05/2002
14:51:07
| RE: V8 TB
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I got my throttle cable from the dealership. Just go in and tell them you want one for your year truck with a 318, wala. Dakota dan has the part # memorized. If you can do a search on his name or mine, it should come up withing the past 2 months.
Logic, I have an automatic and still had to change the cable.
darren, you will have to get one pre 95-96, and then their is some slight grinding you have to do to make something clear from what I understand, but you need a throttle cable also, and it should be same bolt pattern.
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LOGIC71B
Dodge Dakota
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9/05/2002
16:02:47
| RE: V8 TB
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Dale,
I knew the accel. cable would need to be changed on both, but the auto tranny cable I was not sure about so I specified for my aplication. Did you have to change out your tranny cable?
Racerdy,
If you go to the dealer for the cable you will end up paying around $40 bucks. I called around to some different salvage yards to see who had a '92 plus year model dodge truck with a V8. Thats pretty much all you should need to do. Oh yah, make sure the cable isn't kinked. It should run you about $10 to $15 bucks. It only takes about 1 minute to swap them out!
When you ask about the cable just be sure they are looking at a '90s+ model V8, the older style is a ball on the end of a cable! (not gunna work) I had a salvage yard tell me they had one so I made a 70 mile round trip for nothing!
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RACERDY
GenIII
9/05/2002
16:50:09
| RE: V8 TB
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Great! Thanks for the help guys!
RACERDY
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Dale
Dodge Dakota
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9/05/2002
16:55:33
| RE: V8 TB
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Nope, tranny cable cliped right in :D I had to readjust it, but not replace it. I only payed like 27 bux for my cable from the dealer, but had to wait 3 days :( But thats how long it took my tb to get to arkansas from north dakota.
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LiveDakota
GenIII
9/05/2002
20:36:29
| RE: V8 TB
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Fellas if im not mistaken, the dakotas come with the option of the 4.7, 5.2, and 5.9 liter engines. As far as replacing the TB though everyone uses either the 5.2 or 5.9, or the 318 and 360.
2000 White Sport, Airaid Intake, Clear corners, Euro Taillights,
Bedliner, Autolight 3923's, 8mm accel spiral core wires, 2 10" MTX Thunders, Jensen cd deck, Jensen 400w chrome amp
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2kPatriotBlue
Dodge Dakota
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9/05/2002
21:21:42
| RE: V8 TB
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I believe that's because the 4.7 TB won't work on the 3.9.
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clay
Dodge Dakota
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9/06/2002
10:38:56
| RE: V8 TB
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OK let me get something straight. Why do you guys keep saying that you have to change out the accel cable. I used everything off my old tb and it seems to work fine. Is there problems I'm going to see later on? Also, what is this IAT relocation I keep hearing about and what performance advantages does it have?
Thanks
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darren
Dodge Dakota
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9/06/2002
11:33:05
|  RE: V8 TB
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thanks dale were going to an auto flea market this weekend and going to look for that stuff and for the grinding i'm in for the challenge
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clay
Dodge Dakota
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9/06/2002
11:54:37
| RE: V8 TB
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ha ha ha. I did some more research and found out what the iat is. now i just need to know where it would be and how to move it where it needs to go. But i am still curious about the accel cable.
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Dale
Dodge Dakota
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9/06/2002
12:07:46
| RE: V8 TB
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Darran, Glad I could help.
Clay, IAT is on the right side of the engine, stuck in the intake, right behind the alt. (on the 97-2000) Locate it in the air intake ducting/tubing. MAKE SURE you solder the wires, DO NOT butt splice them.
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LOGIC71B
Dodge Dakota
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9/06/2002
15:55:28
| RE: V8 TB
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Clay,
On the magnum V6 throttle body the accel. cable attachment is a snap on ball style while the V8 has a clip on. IE: the cruse control cable has the clip on attachment.
Hope this helped!
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clay
Dodge Dakota
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9/09/2002
11:39:44
| RE: V8 TB
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I'm pretty set up, but I've got one more question. Whats the recommended way to plug the whole in your manifold. I want to be sure and not disrupt airflow.
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Dale
Dodge Dakota
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9/09/2002
13:28:55
| RE: V8 TB
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1/4 npt pipe plug, and I put a dab of silicone around it to make sure it sealed.
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clay
Dodge Dakota
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9/10/2002
10:38:42
| RE: V8 TB
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what type of truck do you have. Would the whole be the same size for my 91'.
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Dale
Dodge Dakota
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9/10/2002
11:51:30
| RE: V8 TB
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I have a 97, I am unsure of the 91. Sorry.
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LOGIC71B
Dodge Dakota
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9/10/2002
16:56:17
| RE: V8 TB
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Clay,
call your local parts store and ask them to check if the parts #'s on the IAT sensors cross reference with the ones on a lets say 97 or 98.
I'm pretty sure there the same diameter and thred pattern.
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