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1994 Acura Integra GSR - Knowledge Is Power

Fifteen Years And 10 Worked Hondas Culminate Here

Brian McGurk
Sep 1, 2008
Photographer: Rodrez
Htup_0809_01_z+1994_acura_integra_gsr+parachute_mount Photo 1/16   |   1994 Acura Integra GSR - Knowledge Is Power

Before Eddie purchased the car, the front and rear bumpers had been swapped out for '98-plus pieces, and a fresh coat of Dodge Viper Red had been laid on. Once delivery had been made the car was taken straight to Steen Chassis in Signal Hill, Calif., where the rear seats and plastics were replaced with a 10-point rollcage, a parachute mount, and an NHRA-spec window net. Eddie's goal for this car was to make as much power as possible, yet remain streetable, so instead of the usual B-series turbo build Eddie opted for the bigger displacement K20A2 from the RSX Type S, also mated to a huge turbo.

While the car was in the shop getting the rollcage installed, Eddie purchased the K-series from a good friend and began the teardown process. It started with disassembly, cleaning, and prepping the new parts. The stock 86mm bore was maintained but strengthened by installing a set of Darton sleeves. RS Machine, in Norwalk, Calif., modified the stock crankshaft, increasing the stroke from 86-88.5mm. The advantage here is that it allows the pistons to travel farther up and down the bores, resulting in more power and more torque. The downside is that it creates a higher compression ratio, which is less desirable for turbo applications. The K20A2 features a stock compression ratio of 11.0:1 but Eddie nudged it down to a more suitable 10.0:1 by swapping out the stock pistons and rings for a set of custom Arias pistons, and connected them to the crank with a set of Crower connecting rods. Up top the camshafts were left stock but the valves, valvesprings, retainers, and keepers were all upgraded to Supertech components for increased durability. The head was also ported and its exhaust side was polished to help gases escape more freely.

Eddie wasn't happy with any available aftermarket intake manifolds so he created his own and matched it to an oversized BDL Industries throttle body. A custom double-thickness single core radiator was also integrated to help keep the engine cool.

Following its return from the chassis shop, the new engine was installed using a set of Innovative mounts, and the DC2's fuel system was plumbed using Earl's stainless steel braided lines and fittings. After being pumped from the tank by an Aeromotive high-flow fuel pump, gasoline travels through a BDL Industries inline fuel filter and a BDL Industries fuel rail before entering the engine through custom 1,600cc fuel injectors. A Carbonetic ceramic clutch and flywheel transfer power from the engine to the Quaife limited-slip differential-equipped five-speed transmission sourced from a '03 Civic Si. Eddie opted for this transmission over the RSX's six-speed gearbox because, as Eddie puts it, "I don't use that Sixth gear anyway since it's a drag car." On the street, power is put to the ground using a set of 1,000hp-rated Drive Shaft Shop axles transferred to 16-inch Sprint Hart CP-R wheels wrapped in Hankook rubber. A Garrett GT40R ball-bearing turbo is mated to the top end with a custom twin-scroll exhaust manifold. Such manifolds allow exhaust gases from each cylinder bank to more effectively spool the turbine, which results in more horsepower and is ultimately what Eddie cares about. Exhaust gases are either diverted away in hopes of controlling boost using a 44mm dual-port TiAL wastegate or leave the engine through a custom down pipe fabricated by RS Machine's David Chan, and a 4-inch exhaust system finished off with a Burn's stainless steel muffler. A custom intercooler, also fabricated by Chan, is matched with custom intercooler piping and helps cool the incoming air charge to avoid detonation and keep things safe. Finally, a Hondata S300 engine management system keeps the engine running at its full potential, and Auto Meter gauges allow Eddie to keep an eye on exactly what's going on at all times.

The suspension was upgraded as well with a complete Energy Suspension bushing kit and Function and Form coilovers designed specifically for drag applications like Eddie's. Besides the MOMO steering wheel, Karcepts shifter kit, and Peak Racing five-point harness, Eddie kept the interior relatively stock despite the rollcage-even the seats are factory issue. "I was going to do the Type R interior, but I like the stock-ness of the car now. It's more street," Eddie says. Once the car was up and running, dyno tuning at nearby Church Automotive Testing netted Eddie 720 hp and 540 lb-ft of torque at 30 psi. All of this translated into a 10.5-second pass at 140 mph at Pomona Raceway yet subjected to slightly less boost. When asked about the car's future Eddie simply says: "This car's good for 9s and the turbo's good for 40-plus pounds of boost. If I stop eating transmissions, I'll get there." You do the math.

Bolts & Washers
Propulsion:
K20A2
Arias pistons and rings
Crower rods
Custom crankshaft
Darton sleeves
Garrett GT40R turbo
TiAL wastegate
Custom exhaust manifold
Supertech valves
Supertech valvesprings
Supertech valve keepers
Supertech valveguides
RS Machine intercooler and piping
Custom Intake manifold
Custom breather tank
Custom 1,600cc fuel injectors
BDL Industries throttle body
BDL Industries fuel rail
BDL Industries fuel filter
Fluidyne radiator
Hondata S300

Stance:
Function and Form drag coilovers

Resistance:
Stock

Rims & Rubber
16x7 Sprint Hart CP-R (+34 offset)205/45-16 Hankook Radial K106

Outside:
'98-plus front and rear conversionDodge Viper Red paintSimpson parachute

Inside:
MOMO steering wheelKarcepts shifter kitPeak racing five-point harnessAuto Meter water temp, voltage, boost, and oil pressure gaugesSteen Chassis 10-point rollcageCustom window net

Props:
All my sponsorsEugene Castro and Slim, at Pro Street Import;Mike, Mark, and Skinny at RS Machine;Javier at Hondata,Gary and Jason at Steen Chassis;Tim at Innovative,Tom, Berry, and staff at Arias;Willy at Supertech,Preston at Function and Form;John at Darton,Carlos at BDL;Jerry Guzamn at Jerry Built,Saul, Mike, Ramsey, and everyone at; Import Power House,RMF;Mike G,Lucky Mike;Doug Jenkins at Power Pros,Jason, Frank, and Kel at Kody's; Motorsports,George at Southgate Auto;Shawn at Church Automotive Testing,Fat kid;Sean,B-series crew;The Brother,Dave Chan at RS Machine;

Owner Specs
Hometown:
Carson, Calif.

Most played in the ipod:
I don't own an iPod

Favorite kicks:
Vans skater shoes

Recent DVDS:
Heat and Blow

Bogus traffic ticket:
Nothing bogus

Mac or PC:
An old Dell

Favorite Non-Honda:
A '07 GMC 2500HD diesel

Porn Star Pick:
Eva Angelina

Hottest model:
Eva Angelina

By Brian McGurk
47 Articles

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