Thank you for your post!
There have been quite a few recent questions relative to the B201 to B202 conversions and these are always exciting, when completed!
The 8 valve have the same 90mm bore and configuration as the 16 valve applications, although some changes relative to compression ratios via piston specifications, 16V cylinder head model year chosen, etc.
Many 900 owners opt to turbocharge the NA engine will be able to do this using a "Light Pressure"(LPT) which is typically under 6-7 psi. The 2.0 liter engine will typically see a 5 horsepower gain for every single PSI added.
The 1987 and under turbochargers are typically used for converting to LPT as these will not require water cooling connections, etc. and many have also chosen use of the 16V type intercooler for additional help reducing charging temperatures although this would not be a requirement.
If seeking an 8+ PSI turbocharger pressures, the user would greatly benefit via the use of detonation protection which could be found with use of a salvage SAAB APC system or similar.
Good luck with your project and enjoy!
GSK at SWEDISH DYNAMICS, INC
->Posting last edited on Sat, 21 Oct 2017 07:01:50.
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