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Old 02-01-2021, 01:03 PM   #166
stevieturbo

 
Drives: it changes
Join Date: Nov 2010
Location: Norn Iron
Posts: 1,126
On this old Aussie/YSi Monaro/GTO from a few years ago, they ran a 90deg and bellmouth for dyno runs.

I can't imagine the 90deg doing it any favours though. Although I'd find it hard to believe a short straight or slight 4" bend would be a restriction.

https://www.marksworkshop.com.au/Pag...oject%2065.htm

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