Fixit's web site. The Combustion Process lecture on the N2Performance. Engine Basics at the FamilyCar. Parts Integration for Power lecture on the N2Performance. You can't tune a summer breeze lecture on the N2Performance. I've used this as a template for all of my upgrades. Very detailed write-up by John Bzdel. Troubleshooting V-ribbed Belt Noise on the Gates web site. Blow a Headgasket? Replacing Valve Seals on Mike Donovan's web site.
Engine Oil Additives on Chris Longhurst's site. Very enlightening. Performance Tuning with a Vacuum Gauge on classic-cars-online. Many good articles here. Since they use the same transmission as the SS.. Differential Identification Charts on Nationwideparts.
Telling the difference between 7. Transmission Basics at the FamilyCar. Automatic Transmission Course at the Integrated Publishing site. Transmission Dimensions on the TCI web site. Torque Converter Basics on the Turbo Buick web site. Torque Converter Terminology on the Turbo Buick web site. Common Problem in SSs. Winner, M. The street car was essentially unchanged for the new model year, but a limited-slip rear end was now optional RPO G80 and its output rating climbed to hp.
Sales exploded, jumping from cars in to 24, in There are sources that say three SS Monte Carlos were built late in with the new overdrive THR four-speed automatic transmission. This is unconfirmed, but the new transmission was standard for , along with a stiffer 3. Chevy also added colors, bringing the total to four: Silver Metallic, Dark Maroon Metallic, White, and Black, and Chevy modified the exterior graphics by adding a stripe. For the first time, buyers could choose an interior color, between Gray and Maroon cloth.
More important, Chevy added optional bucket seats with a console and a muscle car proper floor-mounted shifter. T-tops were also offered for the first time. Sales spiked to an incredible 35, cars.
Horsepower remained at hp, which was now 55 hp less than the Buick, but sales shot up again to 41, Buick only sold Grand Nationals in This list is not in any specific order. Any one could cause the vibration. Balance tires out of balance, missing balance weight Bent rim try rotating tires to see if vibration characteristic changes Broken belt in tire inspect tire well Replace U-Joints both sides of drive shaft Balance drive shaft Out of phase drive shaft Rear Yoke Slip Yoke Rear Transmission Mount suggested replacement: polyuerathane Remove the bracket between the catalytic converter and the transmission mount Flexplate flatness bent flexplate transmits vibration to output shaft of transmission Torque Converter defective Angle of rear end to transmission pinion angle, correct with upper control arms Transmission tail shaft output bushing Crossmember bolts loose Rear axle pinion bearings Rear outer axle bearings It's probably a good idea to tackle the list of possibilities above starting with the easiest or cheapest items, progressing to the more expensive or difficult items until satisfactory results are found.
A good inspection of the drivetrain is always a good starting point however. If you solve the vibration problem through one of the listed items above, or have found an item that is not listed that solves the problem, please drop the webmaster an email so we can get an idea of the most likely causes.
Look for a metal tag stuck on one of the external bolts of the differential. Sometimes this tag falls off, or is lost during differential maintenance. Jack the rear of the car up so both rear wheels are off the ground. Phase II - Drivetrain Modification. In an effort to make this document more user friendly I am now segregating the project updates by month so for those who are only interested in the latest updates please click on the latest month shown below and you'll go directly to that page!
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