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HR Feature Car Friday, Issue 1: Zack’s Blown Big Block RSX

by Brian M. September 27, 2017

Zack Zweifel of Janesville Wisconsin didn’t start out as a tuner; he was just an average kid with a ’96 Maxima that suffered an unfortunate end.  With his Nissan DOA, Zack’s friends showed him the light and convinced him to get a Honda, the first time VTEC engaged, Zack was hooked!

After a few cars in between, Zack got himself into a beautiful 05 RSX-S that started off with mostly cosmetic mods, a full A-spec lip kit, fog lights, and rebadging the car with the JDM “Integra” counterparts.  The interior got treated to almost everything a JDM spec DC5 has, from the rare red Recaro’s and matching back seats to door cards, and a super rare AUDM Type-S gauge cluster. Zack’s car was looking fresh but his luck didn’t last long. “In the middle of a pull I made the shift of all shifts. Straight from 3rd to 2nd gear….I had completely destroyed my factory K20Z1 engine and kissed my warranty goodbye.”

With the stock setup in pieces Zack decided to upgrade to the potent K24A2, using Hybrid Racing’s Innovative motor mounts the engine was bolted in and paired with the stock K20Z1 transmission and Hybrid Racing shifter cables. Zack’s RSX was a great daily, but when the mod bug bites, it bites hard and Zack couldn’t leave the car alone for long. He recalls “…I came across a deal I couldn’t pass up. I got a Brand New Jackson Racing supercharger for dirt cheap. I had never tried a supercharger and I loved the sound and feel …so I bought it.” Zack couldn’t leave well enough alone, and he designed and installed a one off aftercooler setup to optimize the JRSC’s performance. With supporting mods like custom 3” exhaust, an All In Fab exhaust manifold & a solid tune the RSX put down a blistering 319whp & a hair under 250 ft./lb. of torque!

All the power Zack’s pushing through the 17” WedsSport’s are putting a grin on his face, but Zack’s been through more than 3 engines, and a half dozen trans rebuilds; even Zack said that’s a lot but in his own words “Most people would have given up, parted out, and went on to something else but I love my DC5!”

“Like to thank my family who believes I’m absolutely crazy, I’d like to thank all of my crew at Urban Disturbance Car Club for their help and support.” – Zack

HR – If you would like to have your car considered for Feature Car Friday and a chance to win free HR SWAG drop an email with a few pics of you car to tim@hybrid-racing.com with FEATURE CAR FRIDAY in the title. If your car is selected we will shower you with Awesome Sauce and other Awesomeness.


2007 k24a2

Hybrid Racing Innovative motor mounts

Hybrid Racing silicone radiator hoses

Hybrid Racing black fuel rail

Hybrid Racing 70mm throttle body

Hybrid Racing Shifter Cables

CXRacing oil cooler

All In Fab breather setup

All In Fab custom Ram horn exhaust manifold

Walbro 255lb fuel pump

RC 750cc fuel injectors

Aeromotive inline fuel filter

AEM adjustable FPR

Marshal fuel pressure gauge

Russell Classic Black fuel lines

-6an feed and return with Aeroquip Black AN fittings

Jackson Racing Supercharger (12psi)

Pulley Boys 3.2” blower pulley

Custom intake

Noribilt Aftercooler core

Frozenboost heat exchanger

P2R Throttle body spacer

Kteller 3″ exhaust piping

Vibrant 3″ muffler and resonator

NGK BKR8EIX spark plugs

K20Z1 trans case and 1-5 gears cryo treated.

P-SPEC adjustable Shifter

Competition six puck stage 4 clutch

Competition Ultra-lite 8lb flywheel

Quaife LSD

Custom 4.0 Final Drive

Hondata K-pro engine management


Buddy Club N+ coilovers

Progress rear Sway Bar

Energy Suspension full bushing kit

Skunk2 rear camber kit

Skunk2 Lower Control Arms

Ingalls front camber bolts

Mugen style strut bars (FR & RR)

Beaks Lower Tie Bar

StopTech Slotted Rotors (FR&RR)

StopTech pads (FR&RR)

StopTech Touring big brake kit

Custom Stainless braided brake lines


FR: WedsSport TC105N 17X9″ +25, Azenis RT 615 235/40/17

RR: WedsSport TC105N 17X9″ +25, Azenis RT 615 235/40/17


NRG harness bar

Cusco B-pillar bar

TopOne front splitter

TopOne winglets

Autometer boost gauge

Chase Bays CM1 engine harness

AUDM Type-S gauge cluster

JDM DC5 ITR Recaros

JDM DC5 ITR red carpet

JDM DC5 ITR MOMO steering wheel

JDM DC5 ITR pedals

JDM DC5 ITR center console

JDM DC5 ITR rear seats

JDM DC5 ITR door panels

JDM DC5 ITR push button start

Honda Fit Fog/Turn signal switch

Honda EP3 red hazard button

Blox NEO 490 Shift Knob

Pioneer Avic D3 in dash touch screen

G-Force 5pt harness

Story by: Brian McGurk
Photos by: Synth

Brian M.
Brian M.

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