More POWER!!!
#11
Here is what I did to mine for some cheap and reasonable gains:
Dual exhaust, Cold air kit, underdrive pulley, manually advanced the timing by rotating the crank shaft positioner. ( had to run mid or premium fuel in summer)
Here is how I checked it, 0-60 got down to 7 seconds, I could burn the tires shifting manually into second (I had the auto trans), and hwy mileage went up from 27 hwy to 30.
I ran a couple of 4.6s the same year (to 60 mph)on the street and lost by one-two car lengths. I could easily keep up with the 98s and older unless they were modded. It wasn't real fast, but it was fast enough to be fun. It's very expensive and difficult to try to keep up with the new 3.7s and 5.0s.
Dual exhaust, Cold air kit, underdrive pulley, manually advanced the timing by rotating the crank shaft positioner. ( had to run mid or premium fuel in summer)
Here is how I checked it, 0-60 got down to 7 seconds, I could burn the tires shifting manually into second (I had the auto trans), and hwy mileage went up from 27 hwy to 30.
I ran a couple of 4.6s the same year (to 60 mph)on the street and lost by one-two car lengths. I could easily keep up with the 98s and older unless they were modded. It wasn't real fast, but it was fast enough to be fun. It's very expensive and difficult to try to keep up with the new 3.7s and 5.0s.
#13
Youll never get 20 HP out of any mod that cost less than a hundred bucks, so don't listen to all of the MFG claims. How much power are you wanting to make? Also crank HP means nothing. It's the power that goes to the rear wheels that count.
#17
I hear ya man but I don't want you to make the same mistake I did (and many others) and spend a lot of money for a little gain. Have you thought about saving up for a supercharger? It's not that expensive and besides nitrous it's the best bang for the buck. I did the $1500.00 Supercharger build.
#20
Chromeshadow, did the crankshaft position sensor have much movement to it? How much did you turn it?
The underdrive pulley did make a difference, so did the K&N, but I'd guess closer to 10HP for both. I think I got about 15-20 HP with everything I did. Advancing the timing is worth a lot in the 3.8, they do not have a knock sensor so they run them a little conservative. The down side, pre-ignition is really bad for your engine. I ran mine to 195,000 miles with no trouble, but I did run mid or premium gas when it was hot.