If you saw this on a platform like Reddit, Twitter (X), or a forum, it is likely a specific that the uploader didn't rename. One specific older reference to a "vid_791" file appears in automotive performance forums like Pro-Touring.com , where it was used to demonstrate LS3 engine dyno results showing power gains from specific cylinder heads and camshaft setups.

To help me identify it, could you describe or where you saw it posted ?

The "vid_###.mp4" naming convention is typically a default file name generated by:


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Vid_791.mp4 May 2026

If you saw this on a platform like Reddit, Twitter (X), or a forum, it is likely a specific that the uploader didn't rename. One specific older reference to a "vid_791" file appears in automotive performance forums like Pro-Touring.com , where it was used to demonstrate LS3 engine dyno results showing power gains from specific cylinder heads and camshaft setups.

To help me identify it, could you describe or where you saw it posted ?

The "vid_###.mp4" naming convention is typically a default file name generated by: