|  | 41. | Compression ratio was raised fractionally to 8.8 : 1. 
 
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|  | 42. | The compression ratio was changed to 11.3 : 1. 
 
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|  | 43. | Both engines had a 9.25 : 1 compression ratio. 
 
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|  | 44. | The Winston West cars are similar to Winston Cup cars except for compression ratio and tires. 
 
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|  | 45. | Compression ratio remains the same, 21.0 : 1. 
 
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|  | 46. | Bring on the compression ratios, you Spam guys. 
 
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|  | 47. | Compression ratio : 9 . 4 : 1 
 
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|  | 48. | Compression ratio was increased to 10.2 : 1. 
 
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|  | 49. | Or write about Rusty Wallace's compression ratio specifications. 
 
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|  | 50. | It's a delicate balance, particularly because Nascar inspectors must measure compression ratios without disassembling the engines. 
 
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