Pinto turbo 4wd cosworth YB rods and pistons
Can i use standard 4wd cosworth YB rods and pistons for my Pinto turbo (8.2:1) setup??? Are there any differences in rods????
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Racer
Re: Pinto turbo 4wd cosworth YB rods and pistons
YB Rods are approx 60 thou longer than Pinto Rods. Pinto combustion chambers have a different cc volume to YB heads so compression needs to be carefully calculated.
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Re: Pinto turbo 4wd cosworth YB rods and pistons
If I remember correctly I calculated that with cossie rods and pistons in an otherwise standard 2.0 pinto you end up at about 7.5:1 compression ratio and that to get back to around 8.5:1 you need to find a way to reduce head/piston volume by a total of around 10cc
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