the spirit of bonneville SWEET pic - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 02-28-2005, 01:54 PM   #11
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Quote:
Originally Posted by Ryan
Wow, I never knew that the interior is in (what appears to be) mostly stock trim.
The car stayed totally stock with the exception of:

Engine
Trans (and final drive ratio)
Aero covers on the wheels
Chip Foose work on the paint

(and an external fuel shutoff on the right rear fender)
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Old 02-28-2005, 02:03 PM   #12
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Here'* the best I could do for a resize with the limited tools I have

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Old 02-28-2005, 03:57 PM   #13
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that is pretty damn sweet!
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Old 02-28-2005, 07:07 PM   #14
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Where can I get one?
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Old 02-28-2005, 07:12 PM   #15
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Quote:
Originally Posted by beckstyle
Where can I get one?
get a 2000 SSEi and have a shopping spree at Intense
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Old 02-28-2005, 07:25 PM   #16
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Is this the Bonny that ran 200+mph at the salt flats?
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Old 02-28-2005, 07:38 PM   #17
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Quote:
Originally Posted by fantastic88
Is this the Bonny that ran 200+mph at the salt flats?
yes sir, the 3800 with the Blowzilla SC, and MANY, MANY other mods
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Old 02-28-2005, 07:38 PM   #18
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Id like the custom paint scheme...engine is good, but I dont think around michigan I need a 200mph bonneville.
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Old 02-28-2005, 07:40 PM   #19
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Tell me the mods.
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Old 02-28-2005, 07:44 PM   #20
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Quote:
The Spruce Green Bonneville retained much of its assembly-line amenities including the 12-disc CD changer, power windows and door locks, cruise control, keyless entry and alarm system. Confident of the car'* ability, Cook played the radio during each run listening to KSALT 1610-AM, the voice of Speedweek.

The stock parts were joined with a few "race ready" revisions:

A six-corner roll bar attached to the roof line and chassis, creating a roll cage to provide additional roof crush resistance for the driver in the event of a crash
Jaz Products aluminum racing seats and covers in place of Bonneville'* traditional bucket seats
A Deist parachute, competition seat belts and fire protection system
Custom-built "Intro" wheels, body lowered four-inches to reduce drag and lift
Specially prepared transmission by Hydramatic Motorsports

The Bonneville'* supercharged 3.8 liter V-6 engine, which uses a Kenne-Bell supercharger, was re-worked by Richard Lee of Lee Performance Products (LPP) and produced in excess of 600hp @ 6000rpm. Ported and polished cylinder heads have been re-worked by Morgan Engineering to substantially increase the power potential of the cylinder head. A special crank and rod preparation with balancing was performed by Evans Speed Equipment. Doug'* Headers fabricated the custom exhaust system with thermal barrier coating applied by Engineered Applications. A LPP fabricated intercooler was added to the vehicle to pass cooler air from the supercharger to the engine. The 4T65E GM Powertrain transaxle was enhanced by Hydramatic Motorsports to run over 200 mph and the final drive ratio was changed to 2.56 from 2.93.

"This was an experiment to build horsepower reliability at an unknown level using mainly stock parts," noted engine builder Richard Lee. "What'* more, we didn't have the luxury of using aftermarket parts during the development process."

GM Powertrain engineer Jim "Gabe" Poplawski provided critical engine calibration and developed a customized data acquisition program for the Bonneville. One of the major hurdles was determining the proper fuel supply for a racetrack located 4,260 feet above sea level. That number jumped to 7,100 corrected altitude when the 100 degree plus air temperatures were factored in.

"Modifying the production calibration and the computer controller from stock to race was a very complicated process," said Poplawski, "but we knew the L67 Bonneville platform was up to the challenge."
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