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3 minute(s) of a 643 minute read
8-26-2012
Here's the plot of the Greddy Ti-C: Silencer vs. No Silencer. I didn't post it because I couldn't get a full log.
You can see that the power delivery looks nearly identical, it's just a lot lower. Here it is with the stock exhaust added in for reference:
I'm not sure why I'd lie about this one. I, as much as anyone, wanted the silencer to work out.
8-27-2012
Went to watch one of my videos and YouTube put this ad over my video:
The Gut Knows - Tiff (Bosch Spark Plugs) - YouTube
I thought it was pretty funny. My wife said, "That sounds like you, except for the eating in the car, you would never do that." Lol.
8-28-2012
Once in a while I'm tempted to buy a PW to see what it would do, but curiosity isn't worth $1000 when I'm pretty sure it would hurt power. The VF on E85 was an awesome setup. Perfect for most people. Spools like stock (even seems faster sometimes) and has plenty of power. Here's a little graph I made on that topic:
I don't have it on the plot, but the 20G XTR (or similarly sized turbo) running 20-22psi on pump gas wouldn't compare very favorably to the VF on E85. It would probably have a little more top end (but could even be about the same), but it would spool a heck of a lot slower (for the small increase in power).
If you want to send me logs, I would be happy to run VD for you. I'll send you a PM 
If you meant the plot, here is my best guess of what that would look like:
It is my VF52 E85 graph compared to an "estimated" 20G XTR on pump gas. I estimated it by using one of my lower boost 20G XTR plots and changing the delta weight to 0lbs to simulate a pump gas tune.
May not be perfectly accurate, but I think it shows kind of what to expect. Pretty big hit in spool for similar peak torque, but a decent bump in top end.
It's a tough choice, but if you have E85 available, I would go for the VF52 on E85. Spool vs. power is great with that combo.