307 olds knock?

i was wondering if i have to rebuild..i know the rockers and timing is ticking but around 0:29 into the video you hear the knock when the car accelerates...the car has 500,000 miles so i was thinking if i should just get a new engine or rebuild...ooh and plz no bullshit comments. this video is for info only not for showing off..---- I JUNKED THIS CAR---

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Oldsmobile 307 V8 Build Part 5
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1986 Oldsmobile Cutlass Salon - 307 Olds V8 - True Dual Exhaust w/ IMCO Mufflers @ Idle
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ROD KNOCK!!! What it looks like inside the engine.
Check out rod bearings and pictures on Amazon HERE: http://www.amazon.com/gp/product/B007P73RZQ/ref=as_li_qf_sp_asin_il_tl?ie=U TF8&camp=1789&creative=9325&creativeASIN=B007P73RZQ&linkCode=as2&tag=httpww wyou00f-20 ROD KNOCK!!! What it looks like inside the engine. How to determine if you have rod knock by taking off the oil pan. This car is a 1996 Toyota Paseo 1.5 liter. The oil circuit for cylinder one got a piece of foil blocking it. The connecting rod on that cylinder died an ignominious death.

86 Buick Regal 307 Olds Engine
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