A/F Ratios

Discuss topics related to the CA18DE and CA18DET series engines.
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iliketocrash
Posts: 1109
Joined: Sat May 31, 2003 5:58 am

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What should the A/F measure for a completely butt stock ca18det at idle? WOT under boost?

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themadscientist
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Joined: Tue Nov 12, 2002 3:30 pm
Car: R32 GTR, DR30 RS Turbo, BRZ, Lunchbox, NSR50 Sportster 883 Iron
Location: Staring down at you with disdain from the spooky mountaintop castle.

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my ran pretty lean at idle , almost 15.0 and less than rich under boost low 13s. I set it from there to 14.5-14.7 at idle and just into the 11s under full throttle. That`s just what I shoot for and the engine ran like a top, I ain`t a pro though get a lot of opinions.
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ISL33P
Posts: 335
Joined: Thu Oct 07, 2004 11:25 pm
Car: VH45DETT powered

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spot on mad scientist for idle ratios. dont be to scared about pushing the load (WOT) ratios into the low to mid 12's to 1. you just have to be sensible on a hotter than usual day when see at that.
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