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I have located a GMC engine and is currently in a school bus.The only identification I could find was a L86/NA5 number and it was of the GAR family. It also indicated that it was a big block 366 cubic inch engine 1981 model and to use 91 octane or better. If anyone can give me information on this engine and what it's potential is
to build on,I would appreciate the info.

Thanks, Mike
 

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make your life easy stick to a 350, 396, 427, 454 and smile the miles away, As a bonus you can buy parts anywhere
 

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Edge-Nut, Gay Shark, Auto-Part you are a friggin idiot! Why don't you go smile your miles away at a gay bar you annoying little twit. Every time I get back on this site to surf this forum you pop up somewhere with your non-help answers and antogonizing bull ****. Grow up *******!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 
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