Performance Parts for a 2.5L!!!!!

KILLERtj · 12-12-2002, 09:12 AM

Well I bought the 2.5L to get good gas mileage and that plan went down the crapper. I'm interested in getting some performance parts for my 2002 TJ. First a air intake system, then a JET performance chip and then the big one an Avenger Supercharger

.

Thats gonna be fun.

Any suggestions?

Thanks

hjeepxj · 12-12-2002, 10:16 AM

Quote:

Originally posted by KILLERtj
Well I bought the 2.5L to get good gas mileage and that plan went down the crapper. I'm interested in getting some performance parts for my 2002 TJ. First a air intake system, then a JET performance chip and then the big one an Avenger Supercharger .

Thats gonna be fun.

Any suggestions?

Thanks

my suggestion:

2.5 I4 (Factory ratings 120hp@5400rpm/140lbft@3500rpm)

1. Cold air intake with 5" Powerstack cone filter
2. 4.0 TB with taper bored to 60mm
3. Poweraid TB spacer bored to 60mm
4. Intake manifold heatshield
5. Flowmaster 50 series 2.25" muffler
6. High-flow cat
7. Clifford Performance header with 2.25" piping
8. Champion copper plugs
9. Magnecor 8.5mm plug wires
10. Electric fan conversion
11. Speedtweaks IAT adjuster

With the package of mods listed above, output should improve by 20% to about 145hp.

Jet chip? waste of 300$ dont pay full price, sc yeah, thats some big bucks, but hey if you want it....

KILLERtj · 12-12-2002, 10:45 AM

The thing with the intake heatsheild, is that to keep the temp of the incoming air cool and more dense?

Thanks for the great advice hjeepxj
More suggestions please

hjeepxj · 12-12-2002, 10:48 AM

Quote:

Originally posted by KILLERtj
The thing with the intake heatsheild, is that to keep the temp of the incoming air cool and more dense?

Thanks for the great advice hjeepxj
More suggestions please

no problem man!

yeah, that is what the heatsheild is for...

**balloo93** · 12-12-2002, 06:37 PM

If you plan on doing a lot of offroading, you could add a Tri County Inertia ring. Here's an article on what it does.

http://www.4x4wire.com/tech/clutch/inertiaring/

hjeepxj · 12-12-2002, 07:17 PM

Quote:

Originally posted by balloo93
If you plan on doing a lot of offroading, you could add a Tri County Inertia ring. Here's an article on what it does.

http://www.4x4wire.com/tech/clutch/inertiaring/

whoa, cool

KILLERtj · 12-12-2002, 08:27 PM

That would be the perfect thing for my 4cyl. It does that a lot on steep objects.

More suggestions, please.

**balloo93** · 12-12-2002, 08:38 PM

About the only thing left I can think of would be gears. That is an expensive upgrade, and it deffinetly won't help your gas milage. If you plan on going with larger tires, you'll need to get gears that will help you utilize the torque you have.

I've heard it's something like
30"- 3.73
31"- 4.11
32"- 4.11
35"- 4.56

That's just what most guys will run to get that same feeling of power they had at the stock tire size. I'd deffinately ask a shop what they feel would be the best gear for your application.

Quan · 12-12-2002, 08:51 PM

how much is that supercharger gonna cost you? might put you over the price of replacing the motor

Bret-o · 12-13-2002, 09:38 PM

Just a few mods:
Cone air intake
K&N Air filter
Catback Exhaust system
Electric cooling fan
Regearing is always good, i'm looking into doing it. I would go w/ 4.56s.

I hear that a supercharger can be very hard and take a lot of life off of your engine...Not sure though.

TroyBoyM · 12-13-2002, 11:15 PM

Here's some intersesting info on 2.5 buildups. Lot's of work, though.