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Re: Viggen - New DI Casset/Improved Performance Posted by SWEDECAR [Email] ![]() ![]() ![]() In Reply to: Viggen - New DI Casset/Improved Performance, kpm-viggen, Sun, 17 Sep 2006 20:39:09 Members do not see ads below this line. - Help Keep This Site Online - Signup |
Since you have a Viggen I would also pay the dealer to check and maybe update the software in Trionic computer.
Part of the software deals with improved knock detection (detonation).
It has been several posts about Viggens with cracked pistons and one possible cause might be excessive pre combustion detonation (pinging).
Anders
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