MORE HORSEPOWER Without Swapping The Engine Any Ideas?? - Page 2 - Jeeps-Offroad.com Bulletin Board

sureshot40sw · 07-05-2009, 07:31 PM

trade it in on a Rubi with a 4.0 already in it ...

MediaRocker · 07-05-2009, 11:05 PM

Quote:

Originally Posted by Jesse-James

I agree that gearing is your best option, 4.88 is fine with 35's. However a turbo IS a viable option that some disregard without reading up on it. You can run a turbo with 5-7lb of boost without touching the lower end. The 2.5L will hold up fine to it. There is a bit involved but it can be done without breaking the bank.

http://4bangerjp.com

Quote:

Originally Posted by Lucky14

And if you also consider the following:

1)Prepackage Supercharger kits will set you back about the same as doing a SBC swap (decent used crate engine or CL find with reconditioning) about $3,500 with doing it right, exhaust work, EFI kit if needed, Fuel system up grades, etc. SC kits are 3,000 to 4,000

2) Kenne Bell, HESCO, Vortech all do no make 2.5L kits anymore PERIOD. Avenger DOES make the 2.5L kit but have made changes with the screw supplier. So R&D work has just finished on the new 4.0 and JK 3.8 kits. When I spoke with Avenger via Bullhide Offroad a few weeks ago... I was told that the 2.5L new screw kit should be out later this year.

Either way you have to remember build it the way you want it. As shotie said... "I'm with stupid"

Its not overlooked.. its just not that viable. Depending on the motors construction, the 3000 bucks you blow on a super or turbo for the 2.5L could have gone to a 350 chevy. I found a 5.7L hemi for 2500. Used. I will have to say supercharging the 2.5 would give you mad bragging rights, but you have to remember, depending on the motor, it may not respond to supercharging like other motors. I'm supercharging a 3.0L OHV Vulcan (once i can find a good deal on a centrifugal supercharger) (also this is the same v6 found in earlier rangers prior to them switching to 4.0L SOHC Colognes) the Vulcan doesn't respond to much until you do some drastic modifications that increase compression. If you can get the Vulcan to 10:1 at least, it will respond well to supercharging. Stroking the Vulcan to 3.3L gives you a good bit more horses and is another way to get it to respond. The kits available through Tom Morena can take around 20lbs of boost, so that gives you a good bit to play with. In end, if you rebuild, stroke and mill the Vulcan you can turn that 140 horses to 250+ horses. (which is what I'm doing right now.)

I brought this up to make the point that, anything is possible. Although it may not be cost effective. In my case, Swapping motors isn't possible (its in a family sedan and takes way too much work I'm willing to do) So. new transmission in the car built to take 300 horses for about 1700, super charger kit 2500 and engine rebuild kit 3000 that sets me back about 7200 bucks. Am I willing? Yes. Why? Because it isnt cost effective otherwise to switch out the motor. Labor wise it REALLY isn't that "work effective" Could swap it? Yes. Do I want to? No.

It all depends on those factors. So DO what YOU want to DO. Just a suggestion from me is, a swap would be more cost effective, however, If you convert your 2.5 to a diesel... and turbo it... then.. that would be 100% pure awesome. (which is another Idea i've tossed around)

hazmatfast · 07-06-2009, 05:32 PM

want a little more simple addage then remove the air restictor cone from the airflow line cheap (free) easy ( i did it) and a bit off power but im a rookie what do i know

401cj7jeep · 07-06-2009, 07:43 PM

Nos!!!

MediaRocker · 07-06-2009, 07:57 PM

Quote:

Originally Posted by 401cj7jeep

Nos!!!

Make sure you dont mistake this:

For this:

Alfred W. · 07-06-2009, 11:41 PM

Quote:

Originally Posted by sureshot40sw

trade it in on a Rubi with a 4.0 already in it ...

This is the best Idea so far.

*EndlessMtnFab* · 07-07-2009, 06:06 AM

No mentions for the Tri County Inertia Ring?

Shame on you guys !

Joe

hazmatfast · 07-07-2009, 05:04 PM

tell me more joe cuz i gots the hamster motor too

*EndlessMtnFab* · 07-07-2009, 05:12 PM

Quote:

Originally Posted by hazmatfast

tell me more joe cuz i gots the hamster motor too

It's simply a bolt on "weight" that you attach to the back of the flywheel. Adds mass to the crankshaft, increasing the inertia of the reciprocating assembly.

Makes it more difficult to install and helps reduce "lag" when shifting.

Joe

97jeepwrangler · 07-07-2009, 06:10 PM

I think I wil do an engin swap it sounds more cost effective. I am going to swap a 350 chevy small block into it with a 400 trans helping it out.Thanks for all the info it helps.

sureshot40sw · 07-07-2009, 08:13 PM

Quote:

Originally Posted by 97jeepwrangler

I think I wil do an engin swap it sounds more cost effective. I am going to swap a 350 chevy small block into it with a 400 trans helping it out.Thanks for all the info it helps.

get a 700r4 (4spd w/lockup torque converter)... the 400 is a 3 speed...