Detroit 4-71 Sound Addon 1.37

Made own sound mod which is 4N71 for Smarty`s Scot A2HD and Peterbilt 281-351 by MTG, soon also with 1955 White.
Engines have real specs but not dds images for now and sounds are taken from real videos.
Select one of the 3 4-71 engines to have my sound.
Author: ArTrailfanRaf214
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