Models
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What is the best year/model Wrangler to purchase when planning to upgrade to an LS3?

The most cost effective Wrangler with which to start is the 2012 and up JK/JKU Wrangler equipped with an automatic transmission.  While early models may also be converted, they will require additional components to complete the engine conversion.

 

What is the expected fuel economy for your LS conversion?

Stage 1:

Stage 2:

 

What is the expected fuel economy for your R2.8 conversion?

JK:

TJ:

 

Can I supply my own LS engine?

For fully integrated conversions, no.  To maintain the highest levels of performance and reliability, Bruiser uses GM Performance crate engines for our fully integrated engine conversions.  Customers wishing to supply their own engine are encouraged to review our iiWii system.

 

Can I tune my engine after the LS3 conversion is complete?

Fully Integrated: NO, Bruiser provides a series of performance tunes for the JK and JL. Customers wishing to achieve higher power levels, beyond our Stage 2 conversion, are encouraged to request more information on our SUPERCHARGER equipped LS engine conversion systems.

 

iiWii System: Yes.  The iiWii system allows you to install and tune your GM Powertrain.  You will need the engine, wiring harness, engine control module, throttle pedal, transmission, and transmission wiring harness.  “It Is What It Is” and you supply the rest!

 

What is the best year/model Wrangler to purchase when planning to upgrade to an LS3?

The most cost effective Wrangler with which to start is the 2012 and up JK/JKU Wrangler equipped with an automatic transmission.  While early models may also be converted, they will require additional components to complete the engine conversion.

 

What else must be upgraded when having an LS3 conversion?

Early model JK/JKU Wrangler vehicles require replacement of the automatic transmission. Beyond that, our fully integrated conversions are designed to work with your OEM components and have been engineered to retain the functionality of all factory installed options.

 

Can I keep my stock axles?

Yes, but for customers who engage in “extreme” or “aggressive” driving on a regular basis we do suggest upgrading your running gear.  

 

Do I need to re-gear my axles?

Possibly.  If you’ve re-geared your axles to compensate for larger tires, or intend to change the tire size during your conversion, we may recommend re-gearing your axles to ensure that your engine is operating within the proper RPM range.

 

What’s included in the base price of your body conversions?

The “STARTING AT” price listed for our body conversions is based upon the customer providing a suitable donor vehicle for the respective conversion and includes the following:

    - Body Modification

    - Frame Extension

    - Extension of fuel and brake lines

    - Extension of frame side wiring harness

    - JK Crew: Choice of Fleet-Side or Step-Side bed

    - JK Crew/Overlander/Honcho: Removable hard top with black exterior finish (requires OEM hard top freedom panels to be provided or purchased by the customer)

    - Color matched paint

    - JK Crew w/ Step-Side Bed: Front flat fenders to match integrated rear fenders