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1993 Acura Integra GS - Power Pages

Official Fuel Of Power Pages

Scott Tsuneishi
Aug 1, 2009
Photographer: Staff

* Owner:
William Law
* Dynamometer model:
SP Engineering Dynojet

Impp_0908_01_z+1993_acura_integra_gs+front_view Photo 1/14   |   1993 Acura Integra GS - Power Pages

Pros
The '90 to '93 Acura Integra (DA6) has been a popular vehicle among sport compact enthusiasts since its debut in the U.S. 19 years ago. The 1.8L twin-cam engine was possibly its most appealing feature, as would-be enthusiasts wasted no time in snatching them off showroom floors and purchasing aftermarket parts to uncap hidden horsepower potential.

Impp_0908_03_z+1993_acura_integra_gs+stock_dyno_chart Photo 2/14   |   1993 Acura Integra GS - Power Pages

Cons
With any older vehicle, routine maintenance is a necessity prior to modification--we found ourselves replacing or repairing multiple engine components on our Integra that had deteriorated over the years. Although its B18A1 power plant is a reliable engine that has been known to run well past the 200K-mile marker, it's important to keep up with periodic inspections to avoid costly repairs in the future.

Notes
With 180K miles on the Integra's odometer, the car was filled with Shell V-Power, and given a routine oil, spark plug, and stock filter replacement before being strapped onto the SP Engineering dyno for its baseline 118.3 hp and 110.7 lb-ft of torque run--right on par with previous Integras we've tested.

Impp_0908_04_z+1993_acura_integra_gs+engine_bay Photo 3/14   |   1993 Acura Integra GS - Power Pages

Pros
GReddy's Ti-C cat-back exhaust system offers both visual appeal and performance, using 60mm stainless exhaust piping, a Power Extreme II polished stainless steel canister, and a heat-treated titanium tip. Our Ti-C exhaust increased performance while maintaining under 94db sound levels when used with the included silencer.

Parts
Exhaust, mid-piping, mounting hardware, catalytic converter adapter, license plate frame, instructions

Impp_0908_06_z+1993_acura_integra_gs+dyno_chart_one Photo 4/14   |   1993 Acura Integra GS - Power Pages

Cons
Your car's catalytic converter nuts will likely require plenty of penetrating lubricant before removal. Upon installing the new exhaust system, we found adjusting the mid-pipe and canister before tightening the bolts helped keep the exhaust tip from precariously resting on the rear bumper.






Impp_0908_07_z+1993_acura_integra_gs+greddy_exhaust_view Photo 5/14   |   1993 Acura Integra GS - Power Pages

Tools
10-, 12-, 14- and 17mm socket, 10-, 12-, 14- and 17mm open end, ratchet, extension, WD-40, and anti-seize.

Installation Time
70 minutes

Notes
Every Ti-C exhaust kit includes a mid-pipe/catalytic converter adapter--not often included with competitors--which must be used if your car is a '92-'93 model, to compensate for a length change in the factory header those years. Your '90-'91 cars won't need the adapter.

Impp_0908_08_z+1993_acura_integra_gs+shell_gas_station_shot Photo 6/14   |   1993 Acura Integra GS - Power Pages

Not All Gasolines Are Created Equal
The quality of gasoline can actually make a difference in a vehicle's performance. Almost all gasoline brands offer "premium grade", high-octane fuel at their pumps, however, the premium title doesn't always equate to a premium-quality fuel.

Car manufacturers determine the octane level requirement for their vehicles based on engine design, and recommend premium-grade gasoline for specific cars (check your owner's manual for details). In fact, many automakers advocate high-octane gasoline for premium vehicles because it protects engines from knock, helps ensure top performance and power, as well as optimizes fuel consumption and lowers emissions.

Impp_0908_09_z+1993_acura_integra_gs+shell_gas_demo Photo 7/14   |   1993 Acura Integra GS - Power Pages

Shell V-Power takes high-octane gasolines one step further by offering the new, Nitrogen Enriched Cleaning System--a unique, patented formula exclusive to Shell. With five times the amount of cleaning agents required by federal government standards, Shell V-Power provides maximum protection, seeking and destroying engine gunk left behind by lower-quality gasolines to help your vehicle maintain peak performance.

For more information on Shell V-Power, please visit www.shell.com/us/vpower

Pros
AEM's new cold air intake system utilizes a Dryflow Synthetic Air Filter that is said to provide 99.25 percent filtration without the use of filter oil. The lightweight aluminum intake tubing is mandrel-bent and reinforced with TIG-welded brackets and fittings, for superior flow characteristics and added durability. Each system is guaranteed by AEM for the life of the vehicle on which it's installed, and is CARB approved and 50-state legal, unless otherwise stated.

Impp_0908_11_z+1993_acura_integra_gs+aem_cold_air_intake_view Photo 8/14   |   1993 Acura Integra GS - Power Pages

Cons
The factory intake resonator proved to be a complete pain in the ass to remove, as even the daintiest of hands could not loosen the 10mm bolt that sat tightly pressed on the vehicle's chassis. Using a set of swivels and flex sockets, we were able to finagle the bolt loose to make room for the new intake.


Impp_0908_13_z+1993_acura_integra_gs+dyno_chart_two Photo 9/14   |   1993 Acura Integra GS - Power Pages

Parts
Intake, filter, mounting hardware, bracket, hoses, stickers, instructions

Tools
10-, 12-, 14-mm socket, 10-, 12-mm open end, ratchet, extension, and needle-nose pliers.

Installation Time
40 minutes

Notes
Replacing the factory intake with our new AEM system gained the B18 engine 8.0 hp and 9.9 lb-ft of torque at 4,600 rpm. The dyno revealed a strong performance gain from 3,300 rpm to 4,700 rpm, but noted a minor drop in power from 4,750 rpm to 5,250 rpm, which we concluded could be resolved with the addition of an aftermarket header.

Impp_0908_17_z+1993_acura_integra_gs+dc_sports_header_shot Photo 10/14   |   1993 Acura Integra GS - Power Pages

Pros
The DC Sports 4-2-1 two-piece header comes in a ceramic-coated finish to ensure longevity from any harsh environment and extreme-temperature condition. Using mandrel-bent tubing, CNC-machined flanged and O-ring seals, each DC Sport header has been robotically TIG welded to provide maximum power gains and eliminate leaks.

Cons
Upon first glance, we were skeptical of the included O-ring gaskets that seal the two sections of the header. The thin O-ring design moves away from the conventional full-sized gaskets we were more accustomed to, but our fears were quickly put to rest as the gasket provided a crush-type seal with no unwanted leaks.

Impp_0908_16_z+1993_acura_integra_gs+dyno_chart_three Photo 11/14   |   1993 Acura Integra GS - Power Pages

Parts
Header, hardware, exhausts gaskets, O2 adapter, and instructions

Tools
10-, 12-, 14- and 17mm socket, 10-, 12-, 14- and 17mm open end, ratchet, extension, crescent wrench, WD-40, anti-seize.

Ecu Time
60 minutes

Notes
Falling into the rusted bolt scenario once again, we applied plenty of lubricant to help speed up the removal process, and the factory cross member had to be removed in order to gain proper access to the three bolts holding the factory header together. With our new header in place, the Integra gained a range of three to four horsepower and torque from 5,300 rpm to redline, and our 4,800 rpm loss in power from the previous run was eliminated.

CONCLUSION
HP Level +HP TQ Level +TQ
BASELINE 118.3 110.7
GREDDY Ti-C EXHAUST 121.9 3.6 113.1 2.4
AEM COLD AIR INTAKE 123.2 1.3 119.4 6.3
DC SPORTS 4-2-1 HEADER 127.9 4.7 119.8 0.4
FINAL 127.9 9.6 119.8 9.1

Conclusion
With our three bolt-on products, the B18A1 power plant delivered a peak gain of 9.6 hp and 9.1 lb-ft of torque over baseline. As impressive as our peak gains were, the final dyno run versus our baseline figure was even more so at 4,500 rpm, where the dyno revealed an increase of 12 hp and 14.5 lb-ft of torque.

BANKROLL
GREDDY Ti-C EXHAUST $660.00
AEM COLD AIR INTAKE $297.15
DC SPORTS 4-2-1 HEADER $428.44
MSRP TOTAL $1,385.59

Sources

AEM
Hawthorne, CA 90250
800-992-3000
http://www.aempower.com
DC Sports
City of Industry, CA 91746
800-237-7560
http://www.dcsports.com
SP Engineering
City Of Industry, CA 91745
626-333-5398
http://www.sp-power.com
GReddy
Irvine, CA 92618
949-588-8300
http://www.greddy.com
By Scott Tsuneishi
247 Articles

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