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My Phantom BA XR6 Turbo Build


tazzanz

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  • Member For: 9y 1m 28d
  • Gender: Male
  • Location: South Australia
8 minutes ago, eff xr6t said:

My stock 4l did 7200+ for years on 25lb 

 

That wasn't a barra though was it? That's not something a stock barra can do.

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  • Member For: 10y 5m 28d

Still has the same bore and stroke as a Barra not a lot changed on them. If anything the early motor had a worse rod to stroke ratio because of 4mm shorter rods.

Plenty of speedway guys been turning a 250 to 7500 for years aswell the same stroke. It might be more then what’s recommended safe but lot of motors out there doing it

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  • 1 year later...

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