500 quid massive engine challenge

[Rust Collector]

You can probably get a Ford Exploder with the 4.something litre V6 for £500, if you don’t mind getting one with 10 minutes of MOT left and that will snap in half under a hard stare.

[Asimo]

Enough cylinders and 2.9 litres for £700 asked.  Almost perfect mot history. https://www.autotrader.co.uk/car-details/202501047731135

[dome]

Above budget but no doubt some negotiation could be done. 

4.3 litre Merc CLK that's not been on the road in 10 years. 

https://www.gumtree.com/p/cars-vans-motorbikes/2001-mercedes-benz-clk-430-avantgarde-v8/1492326366?&utm_source=WhatsApp&utm_campaign=socialbuttons&utm_content=app_android&utm_medium=Social

WCPGW?