chargedvx6
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- VY SII HBD Calais L67
While I was building the 4.2 my old engine died and so it went in with what i had lying around this was the cam.
Lift
Int .308 - 1.6:1 =.493
Ex .308
Dur @ .050
Int 216
Ex 220
Int cent 108
Ex cent 116
Lobe Cent sep 112
I run a cam like this on my stock capacity L67 and it's awesome for daily driver duties.
212°/224° at .050"
Intake Lift .325" (.520" lift at 1.6:1 rocker ratio)
Exhaust Lift .335" (.536" lift at 1.6:1 rocker ratio)
116 Lobe Separation
That said even though your cam is a tad conservative for my liking I doubt it's causing your lack of torque.
E85 and a cooler (either W2A or A2A) will change the car for the better. Even if you don't splash out on the E85 a well thought out and set up cooler is essential at this stage! Maybe look at further porting of the blower if it isn't a great kinda job. I could hook you up with someone who I have a lot of faith in with regards to M90 porting