Originally posted by DemonSVT:
1. Not at all. There should be considering the 20% increase in displacement. I just expected more being as it's boosted.

2. I never said that. However expecting low 13's from a car making just a bit more overall power than cars running 14 flat is asking a lot.
I also stated it would walk my car and it's no slouch. (even though it's just a NA 2.5L )

3. It's not. I specifically stated that in my post too.
However if you take a look at the comparison chart below you can see exactly what I mean.
These are based on overall power. NOT peak numbers!

You are crushed by the 2.5L turbo (no big surprise there) (-16%HP / -16%TQ)
You are only a bit better than a 2.5 S/C with the expected TQ advantage (+4% HP / +12.2% TQ)
The big surprise is vs SHOShop's 3L. Up to 5000rpm (-1.5%HP / +1.3%TQ) Above that it's no contest of course. (+10%HP / +12.4%TQ)

4. The chassis can't handle the stock SVT power in 1st gear or launching in almost any car. Nothing new there.

5. So you put the stock pulley back on to lower the boost to 9psi?
Your mod list states you are running the smaller 3.125" pulley. Am I missing something here?



Demon, most of the people running higher numbers on a 2.5L, turbo or SC, are tuned to the MAX to obtain those numbers and trying every time to recreate those numbers for the street using racing gas mixed with 93 octane, or running some track only water injection device. Jesse's 3L is detuned to run 277 HP, down from just over 300 at the wheels. All of this on a very basic 3L with an SC bolted on. What is there to be disappointed about??? Nothing...

Sure there are several upgrades he could do to better support more HP from the combination, but not on a daily level of reliability. Jesse and I talked about several of these options at length, but what it all boils down to is a mild FI 3L will last longer than a wild FI 2.5L putting out the same power levels. The 3L comes in with extra TQ to boot.

The answer to question number 5 is simple... the 3L requires more CFM to reach the same amount of boost as a 2.5L. Smaller pullies spin the SC faster = more CFM at same boost levels. The stock pulley will only reach 6 psi or so on the 3L as learned by Buckshot last year.

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