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My problem with the viggen's are also based off of the piston failures (which Steve unfortunantly knows about) thus limiting HP increases even further. For daily use I love it!
With my SPG, I posted some info a few days back on the car with the issues I am having developing HP. Above 11 PSI & above 6200 RPM's there's no additional power to be had & I think my valvespring are to blame. Hopefully find out in the next 2 weeks on that issue :) A few pics can be found on my saabpics account as well.
posted by 24.172.152...
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