Using the Classification Chart:

  • Simply move your cursor across the chart. Anywhere the chart turns yellow, you can click and get information.
  • If you click on a cell in the chart that has the power-to-weight factor (numbers in the cells in the middle of the chart), you will open a page that shows you all the classes for the car (left-hand column) and engine (top columns) combination.
  • If you click on some of the cells at the top of each column that describe the engine, you will open a page that show the engine tech specs, or blueprint information.
  • If you click on one of the cells in the left column that shows the car description, you will open a page that shows information about that car-model-body style.
  • If you want to learn more about the classification process, click here.

SKYLARK 1979
 231305305350350350
 115hp130hp130hp160hp160hp160hp
St=Stock, SS=Super Stock StkSSStkStkSS
TransmissionAllAllAllManAutoAll
Notes - See below   111
       
SKYLARK     111" wb      
Coupe 2 Dr (Htch)22.8218.5517.57 12.0911.63
Coupe 2 Dr 22.2318.0817.13 11.7911.34
Coupe 2 Dr S22.1418.0117.06 11.7511.30
Sedan 4 Dr 22.5518.3317.37 11.9511.50
Coupe 2 Dr SR22.3018.1417.19 11.8311.38
Sedan 4 Dr SR22.6718.4317.46 12.0211.56
SKYHAWK     97" wb      
Coupe 2 Dr (Htch)19.75     
Coupe 2 Dr (Htch) S19.70     
       
Stock/SS Factors140180190275279290
  06/02/03 12/16/0501/01/2212/16/05
Stock/SS Factors w/Rep Heads   280288300
    01/01/18 01/01/18

BUICK 1979              1/1/2009

      Notes:
1 - Accepted Replacement heads: RHS Cast Iron Heads #12400 & #12402. Dart Cast Iron Heads casting nos. 10021070 & 100220010. World Products Cast Iron Heads casting nos. 043600 & 043610. Edelbrock heads #60887, 60637.


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