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Message: [QUOTE="Super Diesel, post: 1205259, member: 5237"] 4th gear is what you want to be in when dynoing a ZF6. Your numbers seem a little low. Are you monitoring anything? What's your fuel pressure? Boost leaks? You should be seeing more boost than 23psi. However... Keep in mind that the SRL tune isn't the same as the SRL+ and/or the SRL Extreme. The Atlas 40 FICM tune you're running is a very conservative FICM tune, which will restrict the fuel from whatever ECM tune you're running. Guys that tow a lot usually use that FICM tune, or the Atlas 80. If you want power, you would benefit most from the Hercules 100 FICM tune. [/QUOTE]

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