Date: Wed, 23 Jun 2004 20:42:52 +0200 From: "MH" <nomailnospamere.no> Subject: Re: [Saab_c900] When was APC introduced in the Saab 900's?
> BP, who supplies the service station I prefer to use, is now selling it's > newly-concocted 98 octane 'BP Ultimate' unleaded fuel out of the former > LRP pump. Since it's 'unleaded' it looks like I will need to start using > unleaded fuel additives in my two Saab 900's with B201 engines (1983 and > 1985 builds). I know a few people who run older cars (not Saab's) on ULP > and use additives for valve protection. AFAIK most 99 and all 900 can run on unleaded fuel as they have alloy heads and hardened valve seats. This has little or nothing to do with octane ratings. I thought only H engines had APC, but if you have a solenoid valve on the top edge of the radiator, with vacuum hoses going to the waste gate, the pressure side of the turbo and the air intake before the turbo, then you have APC - and of course when there's a guage in the instrument cluster, saying APC...... -------- MH '72 97 '77 96 '78 95 '79 96 '87 900T8