Originally Posted by
quattro guy
Do you guys think that the intercooler is what is causing me to only achieve 230hp on e85? Its frustrating that i see all these cars with the same software and pretty much everything else and are achieveing 60hp more. Do you guys honestly believe the itercooler will allow me to get to those numbers. Why in the hell is my car only making 230 on e85? I will upgrade to the 3 bar map sensor in like a moth or so but still. And when i asked dave why i was only acheiving this figures i didnt get like a response i would be satisfied with. I understand the at the very least a fmic but im still having trouble beleiving one will actually help me achieve the 40-60hp more that everyone else is getting. All the ppl i have asked are pretty much in the 280-290hp range and drop back down to the 230-240hp on 93 oct. Either way all of you guys are acheiving way more torque than what i have ever seen according to the dyno feature. Best ive seen is 219😔
How do your IATs look? All an intercooler does is cool the charge air from the turbo before it enters the engine. If IATs are high, then timing advance is reduced. With enough reduction in timing advance you can see quite a large drop in power output.
For reference, last night I took a log to send to Motoza. Ambient temperature was about 24 deg. C, and after a few hard pulls, my IAT was about 40-45 deg. C. I have a good FMIC that reliably limits IAT rise to about 20 deg. C.
And I'm seeing about 24 degrees of timing advance near redline (7k RPM).
There's no point in swapping to a 3bar MAP sensor if you're still running the stock intercooler. Throwing more boost at it won't make things better... the more boost you run, the hotter the charge air, and the greater need for good intercooling.
If you're going to a 3bar MAP sensor, I strongly suggest also upgrading your intercooler prior (so you only pay a single Hardware Upgrade Fee).
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