can someone tell me which is the best choice as far as what tb to go with.(my blower is not ported). and my mods are below. thanks
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can someone tell me which is the best choice as far as what tb to go with.(my blower is not ported). and my mods are below. thanks
Ported stocker, ported blower/LIM, re-tune the PCM.
Bang for the buck, ported stocker is probably better since all you need is a dremel and JB weld. The N* is bigger though, and you'll need a MAF tune either way.
The max theoretical flow of a 68 mil TB is 550-600 cfm or so.
Thats what a gen V with a 3.4 will pull in.
So anything past that, larger throttle blade.
Which is like a 3.1-3.2" on a GenIII blower...hence why I say...ported stocker.
On that Matt, the best I can do is give you some unscientific messing around I've done. I ported the hell out of a Gen 3, smoothed and you name it. It helped, really did. Didn't compare with a Gen V though.
Tempwise the Gen V was about 100F cooler than a Gen 3 on the same run. Obviously different engines, both cars run the same though. Even if the airflow is the same (M90 to M90) the cooler charge should make up the difference.
Today is injector day.
Perhaps later.
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