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post #1 of 6 Old 07-30-2010, 08:07 AM Thread Starter
jfisch
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best performance parts for the money

I have a 2005 Jeep Wrangler Unlimited Rubicon with (aside from suspension and wheel/tire/brakes upgrades that I have) an AEM cold air intake, JET ecu, and a Magnaflow catback exhaust. I was thinking of getting headers, but was told if it's power I wanted to look at stroke kits, and check out 505 performance. I don't know a ton about engines and installation but I would be having someone else do that part. My question is, with that knowledge what parts do you guys think would give me a good boost in power for $2000 or less.

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post #2 of 6 Old 07-30-2010, 08:20 AM
emev0l
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Quote:
Originally Posted by jfisch View Post
I have a 2005 Jeep Wrangler Unlimited Rubicon with (aside from suspension and wheel/tire/brakes upgrades that I have) an AEM cold air intake, JET ecu, and a Magnaflow catback exhaust. I was thinking of getting headers, but was told if it's power I wanted to look at stroke kits, and check out 505 performance. I don't know a ton about engines and installation but I would be having someone else do that part. My question is, with that knowledge what parts do you guys think would give me a good boost in power for $2000 or less.
It says you have 34" tires, have you re-geared your axles?

It will cost about $1,200 for you to re-gear, that will give you the power back that you lost with the larger tires.

If you have already re-geared and that still isn't enough, I would suggest a Golen Stroker.

The Golen Stroker will cost you around $3,500.

There's just not a lot of power that can be pulled out of the 4.0 without stroking it.

2001 TJ 4.6 Auto 4.5" AEV suspension 35's
2002 TJ 4.0 Manual 3" BDS suspension 33's
1987 Chevy 1 Ton 12" suspension 44's
1970 Cutlass 442 468CID TH400
1999 7.3 Powerstroke
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post #3 of 6 Old 07-30-2010, 08:38 AM Thread Starter
jfisch
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Pro Rock stroker kits jeep 4.0-4.6 -4.7- 5.0 - 505performance

These look cheaper, do you know if they're good quality
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post #4 of 6 Old 07-30-2010, 09:08 AM
Unlimited04
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Quote:
Originally Posted by emev0l View Post
It says you have 34" tires, have you re-geared your axles?

It will cost about $1,200 for you to re-gear, that will give you the power back that you lost with the larger tires.

If you have already re-geared and that still isn't enough, I would suggest a Golen Stroker.

The Golen Stroker will cost you around $3,500.

There's just not a lot of power that can be pulled out of the 4.0 without stroking it.
x2....regear first. then stroker/supercharger/turbo. stroker is probably the least hassle and best bang for your buck. you have a 42RLE automatic with 34's...so you'd need 5.13s or 5.38s to get your engine back in the powerband.

So to recap what you didn't use the search function to determine before you wasted a few hundred dollars -
Cold air intakes do nothing but suck in 10x more dust and dirty your oil quicker.
Performance chips do nothing but require higher grade fuel and throw check engine lights
Cat-back exhaust does nothing but sound louder and uncalibrate your butt dyno.
Headers might help power slightly at high RPMs (4000rpm+), and might reduce underhood/intake temps a bit if you wrap them with header wrap and silicon sealant, or get them ceramic coated.
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post #5 of 6 Old 07-30-2010, 02:28 PM
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post #6 of 6 Old 07-30-2010, 08:04 PM
George Dickel
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Quote:
Originally Posted by jfisch View Post
I have a 2005 Jeep Wrangler Unlimited Rubicon with (aside from suspension and wheel/tire/brakes upgrades that I have) an AEM cold air intake, JET ecu, and a Magnaflow catback exhaust. I was thinking of getting headers, but was told if it's power I wanted to look at stroke kits, and check out 505 performance. I don't know a ton about engines and installation but I would be having someone else do that part. My question is, with that knowledge what parts do you guys think would give me a good boost in power for $2000 or less.
I really like my stroker but I've got about $2,000 in it and I built it. If I didn't know better, you might be better off re-gearing that one and take the money you would spend on a KB supercharger and buy an old Mustang GT. I don't think you can have it both ways which partially explains why I built a Jeep. When I wanna go fast, I drive the Stang

By the way, Welcome to the forum. Use that search function and you might even find where someone crammed a UFO motor in a Jeep! or maybe not but you'll find some cool stuff...

'98 Wrangler Sport, 4.6L Stroker
12 Counterweight 258 Crank (cut snout-casting #3214723), Sealed Power +.030 Hypereutectic Pistons, 5.875" Connecting Rods, CompCams 68-231-4, Ported/Polished Head, Edelbrock Header, 24# Ford Blue-top Injectors, 63mm bored OEM Throttle Body, Port matched Intake, Autolite Platinum plugs, Accel Coil, LiveWires Distributor & Wires, Centerforce Clutch, Hurst Shifter, modified Mustang GT Air Cannister - CAI, 18" Magnaflow and 2 1/2" exhaust, Balanced Rotating Assembly, Custom PCM tune.
Yeah, I built it!

Exhaust clip: http://www.youtube.com/watch?v=bwUOa...ature=youtu.be

'04 Mustang GT, 4.6L
Light modifications


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