Everyone’s activity car is figuratively and actually adjourned at some point. Excuses run rampant: the carb is acting up, it’s misfiring, I’m cat-and-mouse on parts, or I don’t accept the time to accomplishment it. We begin a band-aid to abounding of these problems with Holley’s Stealth EFI kit. This arrangement appearance reliable EFI tuning, accessible driving, and air-conditioned accessible accession which can be performed in a weekend, and accept you driving—sans excuse—to assignment on Monday.
Our CC/Malibu G-body activity was built-in as a simple artery build. No excuses and no problems… well, few aloft complications. The G-Body belvedere is the absolute foundation for a simple, reliable artery beast, but banal it’s blowzy with ’80s-era emissions and afraid performance. So, we about-face to the aftermarket for advice authoritative a 30-year-old agent drive like a avant-garde machine.
The CarOur CC/Malibu has appear a continued way aback it larboard the accumulation line. John McGann originally purchased this garage-kept, 60,000-mile car in Ohio. He again collection it aback to LA, bogus the trip, “the Car Craft Tour of Power.”
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The cruise began with the accession of a Vortec 350 (a aloft Trick Breeze Specialties analysis mule) with a beginning Summit Racing artificial alternating accumulation (resulting in 355 ci). It’s topped with Trick Breeze Specialties 195 heads, a 218/224-at-0.050 cam with 0.495-/0.510-inch lift on a 110 amount LSA, 1.5:1 roller rocker arms, a Trick Breeze dual-plane intake, and a vacuum-secondary Holley Achievement Products 650 carburetor. The headers are 1 5/8-inch Patriot with 3-inch collectors. It’s currently backed by a Achievement Automatic 4L60E with a 2,200 arrest converter, but that’s activity to change actual soon.
The Malibu fabricated 320 hp at 5,700 rpm and 386 lb-ft of torque at 3,300 rpm to the wheels, out of its basal 10.0:01 compression 355 small-block Chevy. Currently, the car resides a Washington D.C. with Three Pedals, the aggregation accepted for manual-trans swaps; they helped us with this Holley Terminator EFI install.
The TerminatorThe Terminator arrangement appearance a continued account of benefits, the best important actuality bigger drivability through a self-learning strategy. Like so abounding hot rods, we had a Biff-like aggregate of pedal stabs aback starting the Malibu, now it’s abundant easier. The abundant ECU additionally allows for ability adders like addition or nitrous.
Holley makes the Terminator arrangement in two varieties: The accepted Terminator has a abate burke anatomy agnate those on a NASCAR cup car with partially apparent injectors. This commonly would’ve been accomplished for our Malibu, but Holley had aloof amorphous to action the Terminator Stealth, which resembles a Holley four-barrel carb. Both systems are offered in three finishes: gold, black, or polished. They’re additionally accessible as adept kits, which accommodate aggregate bottomward to the artisan ammunition pump block-off bowl and ammunition system, or as abject kits with aloof the burke anatomy accumulation and Terminator HP ECU.
We autonomous for the Stealth because the air-conditioned agency was adamantine to beat—in fact, this is the Stealth’s accomplished acumen for existence. The old-school carburetor attending fits the beef car vibe, and the gold anodized accomplishment gives it a adorable period-correct patina. We’ve covered the Terminator’s appearance and accession in added stories; the Stealth adaptation is about the same, with the carburetor “look” and all-embracing brand actuality the arresting appearance ambience it afar from its sibling. To accomplishment our installation, we best Holley’s modular retrofit in-tank ammunition pump, which eliminates the charge for an inline pump or aftermarket tank. We additionally chose the Dominator EFI ECU, which appearance cyberbanking manual ascendancy to assignment with our 4L60E. Note that the abject kit includes a Terminator HP ECU box, but if added chase appearance or manual ascendancy is desired, the Dominator ECU can be commutual with the Stealth burke anatomy in a Terminator Stealth Manual Ascendancy kit. (A abstracted ammunition arrangement kit would again charge to be ordered.)
Throttle Anatomy InstallationThe adjustment of contest aren’t as important as artlessly commutual them afore the aboriginal drive. We autonomous to do the accessible allotment first: ting on the new Stealth burke body. This allotment is absolutely how you would attach any 4150-style carburetor. Housed central the burke body, absolutely out of view, are four 80-pound injectors, forth with all the all-important sensors.
A acceptable tip is to characterization all vacuums curve afore removing the old carburetor. The new Terminator Stealth has exhaustion ports for PVC, distributor, and added exhaustion needs. We additionally added a burke cable bracket from Summit Racing (part No. 210239BLK, $69.99) for our banal burke cable.
The Dominator ECU will ascendancy timing aback acclimated with any small-cap HEI distributor. We installed a new MSD 8362 Artery Fire Chevy HEI benefactor (part No. 121-8362) with adjustable exhaustion advance. It’s not a call for some applications, but our best assemblage bare replacing.
WiringWiring, like the blow of the kit, is able and easy. All affairs are acutely labeled and cut to length. Here we ran our abject through the autogenous to the ammunition pump in the back. A new water-temp sensor was installed in the intake. At this point we additionally laid out the abject for the wide-band O2 sensor (included).
The Dominator ECU may assume like abstract for this project, but it prepares us for accessible upgrades. It has the adequacy to run over 40 inputs and 40 outputs compared to the 4-in and 4-out of the accepted HP ECU begin in the Terminator kit.
O2 SensorA distinct wide-band O2 sensors is included. This fast-acting sensor is what allows the self-learning to appear so bound and safely; it’s accurateness is far bigger over the OE narrow-band “switching” sensors from aloof a few years ago. We installed it aural 10 inches of the collector, and as appropriate in the instructions, we preserved a minimum 18 inches of bankrupt afterwards the sensor. Also, it should be agee at atomic 10 amount advancement from horizontal, which keeps abstract from accession about the sensor.
Fuel TankThe alternative retrofit ammunition arrangement captivated the best time of the absolute installation, but abounding users will be covered by the adept kit’s inline pump, which is included and doesn’t crave the catchbasin to be alone for installation.
This bore appearance Holley’s Hydramat auto which is a huge advantage for auto bridge and addict contests—both of which followed afterwards our install. It keeps abundant ammunition at the auto at all times, admitting sloshing in the tank. This accustomed us to accumulate the banal catchbasin and cut bottomward on added assignment and expense.
We reused the banal 3/8-inch adamantine band and plumbed the acknowledgment band with the supplied Earl’s Vapor Guard 3/8-inch hose. According to Holley, 3/8-inch augment and acknowledgment curve are a minimum claim for ammunition bang systems, and affluence able for our horsepower.
DrivingIn the crumbling canicule of the 20th century, appropriate about now we would be accepting into the weeds about programming ammunition maps and agitation tables, algid start-up enrichment, puddling constants, coolant- and air-temp scalars, injector offsets, and a agglomeration of added arresting stuff, but with the Terminator’s wide-band sensor and self-learning strategy, you’ll be arise a beer accessible in no time. Ambience up the ECU on the 3.5-inch blush awning is—you estimated it—easy. Aloof chase a alternation of multiple-choice questions about your agent and manual and the self-learning arrangement takes it from there.
We army the 3.5-inch blush blow awning ambassador to the dashboard application the included adhering and quick-release holder. This way we can see it while driving, with our called dashboard awning of a tach, coolant temp, and air/fuel ratio. With the ECU area we chose, active the wire from the ambassador was simple. Check aback over the aing few months as we put the finishing touches on the Car Craft Malibu!
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