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12:36:51 - 04/19/2024
Dakota Performance
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Robbie
Dodge Dakota
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12/20/2002
14:32:45
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 Subject: Still More Mod's To Go...
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Message:
I had a post earlier about what modifications I should do next and the biggest responce I got was Nitrous. But I definatly do not want to do that. I dont want to decrease the life of my engine what-so-ever. I need to get atleast 200,000 out of it. I've been reading a lot about roller rockers and cam's. What exactly are the functions of these two things and would either be a good addition to my list? If not... what would you suggest?
Thanks!
R.
'02 5.9 Durango SLT
2bbl M1 w/ XL Turtle, B&G M1 Flash, 360 Air Intake, Ported Throttle Body, 180 Thermo, Autolite 3923's, MagnaFlow Muffler
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Anthony G
Dodge Dakota
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12/20/2002
15:05:14
|  RE: Still More Mod's To Go...
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Message:
Roller Rockers 10-15hp 15-20tq Not at the wheels
Pros:
1. Higher Lift(1.7 ratio Vs 1.6)=More Air flow=More Power
2. Less resistance from the roller tip and bearing rocker.
Cons:
1. Need steel Rocker (Much Higher cost)
2. Aluminum wears out around 30-40k.
3. Higher valve spring stress & pushrod angle.
4. Requires Larger Valve Covers (More Cost)
5. Requires valve lash adjustments
6. Some times increased valve train noise.
7. Requires Stud installation Vs normal Bolts
Cost: $500-600
Cam: 10-60hp 20-80tq
Pros:
1. Wide range of Combo's for any application
2. More power
3. lower cost
4. better exhaust tone
Cons:
1. If to radical, PCM problems, Wrong Power Band
2. Emissions
3. Requires Skill to install
4. Cost for install if not skilled
Both mods should cost you about the same amount.
Part $295.00 for a new core. $200-$300 for install.
Re-grind $230.00?
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