Titanium rods are not cheap. Heads that flow that well are not cheap. Start adding all the great parts and the LS7 is a bargain to me. And the motor is far from its potential at 505hp. Headers and a simple cam and you are at 630hp.
GM would not put a motor in a car and warranty it if the motor was working at max potential out of the box, there would be too many warranty issues.
I think the LS7 is a better bang for the buck, but I'm old and sometimes stupid.
The LS7 certainly has some more street cred than your average stroked LS2. Despite the motors being very similar, it's like comparing an 03 Cobra motor to a modified 1999 Cobra motor with a roots blower. The factory aspect is also nice. You know millions of dollars of R&D have gone into that motor.
The new L92 heads are basically the same port as the LS7 and i think the flow #'s were 330 - 340 cfm.
Similar maybe, but there big are differences... valve angle, size, CNC'd runners and chambers... That's not to say the L92 couldn't be massaged to flow what the LS7 heads flow, but then the LS7 heads can be massaged as well.
The new L92 heads are basically the same port as the LS7 and i think the flow #'s were 330 - 340 cfm.
Not only that, but they work killer with the L76 intake and the whole package, heads and intake can be sent to your door complete for under a grand and are good for 150hp with a cam swap!!
The initial 400hp package is a huge bang for the buck and the GM Performance Parts are even more so!
Not only that, but they work killer with the L76 intake and the whole package, heads and intake can be sent to your door complete for under a grand and are good for 150hp with a cam swap!!
The initial 400hp package is a huge bang for the buck and the GM Performance Parts are even more so!
Brian Hobaugh SCCA National Tour June 2014
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