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Jim
Dodge Dakota
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11/08/2002
19:11:54
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 Subject: 50mm or 52mm TB??
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I have a 2000 R/T CC and I have started to some mods. I put a K&N Gen II intake, and Gibson Cat-Back Exhaust. I plan on a lot more like the M1, 1.7 Roller Rockers, Headers, Mopar PCM, but what I want to do next is the TB and I am not sure which one to do the 50mm or the 52mm, which one do you guys think I should do with these mods and do you think I will see the low 14's with the mods I want to do?? I currently run 15.6 in the 1/4
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Rod
Dodge Dakota
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11/08/2002
22:47:54
|  RE: 50mm or 52mm TB??
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Dont buy a TB till after you get a M1 manifold... you can (after buying the manifold) get a 4 bbl TB and you will see some amazing gains, as long as your pcm and ignition is set up correctly. With a manifold, TB, roller rockers,PCM, and headers a 14 is totally possible. Also, get some type of ignition ie. crane fireball Hi-6 and a PS-91 coil. Ignition does a lot when you have a new manifold, TB, and what not.
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kota on 20s
GenIII
11/09/2002
00:12:24
|  RE: 50mm or 52mm TB??
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i would not get the 4bbl TB. people are getting better gains with the 2bbl. also, i would get the 2bbl M1 over the 4bbl M1.
Jim, i depends on the conditions, and elevation of the track. oh yeah, driver makes a diff too! you might want to get some slicks. they cut 6 tenths off my friends time.
ether TB will give you gains
-Eric
Injection is nice, but i'd rather be blown.
5.2L, 5speed. Powerdyne SC, 50mm TB, 2bbl M-1, 1.7RR's, MSD 6BTM, ciramic JBA headers, 3" carsound cat, dumped gibson
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Jim
Dodge Dakota
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11/09/2002
10:50:10
| RE: 50mm or 52mm TB??
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thanks guys
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opie
Dodge Dakota
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11/09/2002
12:35:11
| RE: 50mm or 52mm TB??
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Do they make the M1 manifold for a 2000 5.9 Dakota, I NEED MORE HORSEPOWER!!!!! And where can I find the manifold?
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buddy jones
Dodge Dakota
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11/10/2002
16:15:24
| RE: 50mm or 52mm TB??
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Yes, they do make an M1 for your Dakota opie.KRC Performance has it on sale complete with the installation kit for $355.
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opie
Dodge Dakota
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11/10/2002
19:59:45
|  RE: 50mm or 52mm TB??
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How hard is the intake to install?, and do you have to put a bigger T.B. on at the same time, or can you add that later?
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R/Truck
Dodge Dakota
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11/11/2002
15:45:00
| RE: 50mm or 52mm TB??
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Intake install is not hard but does take a few hours (2-8 hours depending upon skill), and you have to make sure you do it right (otherwise you will have some oil leaks).
You can do anything with the TB before or after, it doesn't matter.
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BIGTYMER
Dodge Dakota
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11/11/2002
19:01:30
| RE: 50mm or 52mm TB??
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Ok, so you guys say run a 2bbl TB and manifold?
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Troy
Dodge Dakota
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11/11/2002
19:14:39
| RE: 50mm or 52mm TB??
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Yeah, the 2-bbl M1 and throttle body are the better choice. If you want to gain some low-end and still be good in the mid and upper range, get the 50mm. If you can sacrifice some low-end and want to gain substantially on the top, go with the 52mm. I have the 50mm on my truck and it pulls hard all the way through the rev range. I lost some low-end with the M1 install, and the 50mm, along with the turtle, helped to get some back. I will be installing the new extra-large turtle later in the week, to try to get even more of the low-end back. Low-end is really important for me, due to the weight of my truck (5,300# with me in it). Hope this helps.
2000 QC Sport Plus 4x4 5.9L 3.92LS (9.25 axle), every factory option
Magnaflow 3" single in/ 2-1/2" dual out
Kenne Bell equal-length headers with 2-1/2" y-pipe
NGK ZFR6F-11 plugs, indexed
Kenne Bell (Taylor) wires
Borg-Warner brass cap/ rotor
180 stat
Redline Water Wetter and Pro-Blend 40 below radiator additive
S-bolt
Homemade 4" cold-air induction
Baffle removed from air hat
paper air filter (sold K&N, awaiting airbox install)
Mobil 1 in engine, both axles, and transfer case
Map sensor mod
clutch fan removed (electric fan on thermal switch)
M1 two-barrel non-EGR intake manifold (new casting) w/ large turtle (awaiting extra-large turtle)
APS 50mm throttle body
Hypertech Power Programmer III
Transgo shift kit and Amsoil (not yet installed)
GTS functional Ram-Air hood (installing airbox this week)
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DeepDak
Dodge Dakota
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11/12/2002
01:54:44
| RE: 50mm or 52mm TB??
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Troy,
Turtle?
Eli
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kota on 20s
GenIII
11/12/2002
02:32:27
| RE: 50mm or 52mm TB??
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a "turtle" is a pyramid shapped thing that goes into the manifold. it helps direct the air into the runners better and gives you some lowend
-Eric
Injection is nice, but i'd rather be blown.
5.2L, 5speed. Powerdyne SC, 50mm TB, 2bbl M-1, 1.7RR's, MSD 6BTM, ciramic JBA headers, 3" carsound cat, dumped gibson
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DeepDak
Dodge Dakota
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11/12/2002
15:57:41
| RE: 50mm or 52mm TB??
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Eric,
I see. Would a TB spacer give the M1 more volume and hence more torque? I know the Helix effect with some TB spacers dosn't work with the old manifold but would it work with the M1(less bends)?? Just throwing around some ideas.
Eli
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brianman
Dodge Dakota
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11/23/2002
20:58:41
| RE: 50mm or 52mm TB??
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generally more plenum volume can kill lowend. if the motor has tbi or carb a helix may work but on port fuel injection the fuel is injected right before the intake port, a helix has no effect on fuel mixture at this point because the turbulence it creates is long gone by the time it hits the port.
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hdrt
Dodge Dakota
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11/23/2002
22:21:51
| RE: 50mm or 52mm TB??
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Troy, what is your feeling on the APS t.b.that you have on your truck? And why did you go APS?
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