what octane
thanks
10-31-04, 02:24 PM
#2
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lowest octane possible.. high octane in N/A = waste of money and possibly less power (and more carbon) cause it takes more time to burn..
on a turbo it would be the oposite. highest possible to prevent detonation
on a turbo it would be the oposite. highest possible to prevent detonation
10-31-04, 02:38 PM
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actually s4 turbos (all s4 i believe) were recommended 87 from factory manuals.
stick with the 87 in your ported n/a. unless you did something you didnt mention, there's NO reason to run higher.
stick with the 87 in your ported n/a. unless you did something you didnt mention, there's NO reason to run higher.
10-31-04, 02:41 PM
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Originally Posted by casio
actually s4 turbos (all s4 i believe) were recommended 87 from factory manuals.
stick with the 87 in your ported n/a. unless you did something you didnt mention, there's NO reason to run higher.
stick with the 87 in your ported n/a. unless you did something you didnt mention, there's NO reason to run higher.
but I was thinking about moded turbos :P
10-31-04, 02:47 PM
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yea, most will run higher octane (and boost), but factory they accept, and ask for, 87. i cant quote the years, but the topic of TII octane has been covered (and debated) and someone posted a picture from the manual saying 87 for an S4. i imagine since us americans only had S4 TIIs in 87 and 88, they both asked for 87 octane.
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