Anyone running a FAST intake on a DBW application???
Oct 21, 2009 | 08:27 AM
#12
Oct 21, 2009 | 03:15 PM
#14
EXACTLY!!!! I wish everyone understood this!!!!
Boost is a measure of restriction, not airflow!!
Get rid of a restriction, aka crappy intake, and you pick up airflow. Airflow is how you gain power. This means with a less restrictive intake you get more power with LESS boost!!! Which is easier on parts!
Then if you want you can turn the boost back up, and gain even more power!
I have a FAST LSXR on a DBW application.
The truck version LSXRT is going to be out soon too
Boost is a measure of restriction, not airflow!!
Get rid of a restriction, aka crappy intake, and you pick up airflow. Airflow is how you gain power. This means with a less restrictive intake you get more power with LESS boost!!! Which is easier on parts!
Then if you want you can turn the boost back up, and gain even more power!
I have a FAST LSXR on a DBW application.
The truck version LSXRT is going to be out soon too
Oct 21, 2009 | 09:56 PM
#15
I dont think thats correct at all, airflow is airflow no matter if your forced induction or N/A.
The saying "no replacement for displacement" is becuase more displacement moves more air which equals more power.
Ive also heard the saying "no replacement for displacement, or boost" which boost artificially adds more air which equals more power just like displacement does.
You want more airflow to make more power!!
The saying "no replacement for displacement" is becuase more displacement moves more air which equals more power.
Ive also heard the saying "no replacement for displacement, or boost" which boost artificially adds more air which equals more power just like displacement does.
You want more airflow to make more power!!
Feb 21, 2010 | 05:04 PM
#18
Feb 21, 2010 | 05:54 PM
#19
If you're going the forced induction route, I would go with either the carb style Victor Jr with an elbow or the new Edelbrock Pro-Flo XT. Either one that can fit a 4-bolt 87-90mm throttle body can work with a DBW Throttle body, but you will have to change fuel rails etc. to fit, so it could get expense. The FAST (and factory) manifolds are designed for maximum cylinder fillings over a range of rpms/throttle positions on a naturally aspirated motor, so they make the runners longer to boost velocity, whereas forced induction takes care of that with boost.
However, on a N/A motor, the carb style/elbow or Pro-Flo XT manifolds, will give up a ton of midrange torque and HP to the factory or FAST, so if it's N/A, the FAST is the way to go.
Of course, if you're going to a Radix TVS (or other roots style) setup, they conveniently take care of the manifold at the same time.
That's my 2 cents anyhow...
However, on a N/A motor, the carb style/elbow or Pro-Flo XT manifolds, will give up a ton of midrange torque and HP to the factory or FAST, so if it's N/A, the FAST is the way to go.
Of course, if you're going to a Radix TVS (or other roots style) setup, they conveniently take care of the manifold at the same time.
That's my 2 cents anyhow...