Intake manifold porting pictures... your thoughts please
- Thread starter madskills1969
- Start date
Looks like you opened up the rear and cut it back to allow more access the intercooler. Should drop under the blower temps considerably now that you exposed around 10-15% more of the intercooler. Less chance of pulling spark. Im curious what gains you will see. I know stiegiemier said he had some guys picking up some mph at the track was seeing lower air temps. Im surprised more people dont do this. Accessing more of the intercooler to lower the air charge temperatures on these cars would be a great benifet. Looks great cant wait to see how much you drop the under blower temperature.
It exposed 11/2 more of the cooler.. never seen anyone polish the bottom plate the air is directed to after exit to make its turn back up.. each inlet is rounded also.. from years if experiance working with a flow bench radius before the inlet is needed to get accurate flow numbers so why not inside the manifold itself...
Same as Kenne Bell recommends? I did mine to match their documentation. I did mine prior to tuning to make sure it was included in my logs.
Did you do it yourself or have someone else do it?
I did it myself. I have spent 18 years as my job porting heads and 2 stroke cylinders. I did what I thought would work best.. I will have to check out Kenny bells recommendations on this.
Looks really good
Since you had to break out the welder, you should have cut the complete floor of the bypass plenum area out and replaced it with a sheet of aluminum to expose more of the intercooler.
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http://www.svtperformance.com/forums
Seems that others are removing the bosses and polishing the top of the intercooler area as well.
Badcompany have you noticed much change with this mod? Lower temps below the blower?
Seems that others are removing the bosses and polishing the top of the intercooler area as well.
Badcompany have you noticed much change with this mod? Lower temps below the blower?
Only the 2 front bolts holding the inner cooler had to be shortened snd only removing the part without threads. Now for referance of more surface area being polished vs ruff. Shoots down every porter using traction lines or leaving a ruff finish to slow down airflow. To help air slow make the short side before the valve
To slow down air flow on the short side.. Sorry For the above last sentence . I was scared of warping the oring surface welding so close to it. Your sheet metal install looks great !
http://stiegemeier.com/services/intake-manifold
http://www.svtperformance.com/forums/threads/fully-po0+rted-intake-manifold.11106083/0
Woops didnt post all of the link above
http://www.svtperformance.com/forums/threads/fully-po0+rted-intake-manifold.11106083/0
Woops didnt post all of the link above
These are the only 2 bolts that needed trimming front the front of the cooler..I installed the bolts were they needed to be bofore I started grinding. JB water weld is what I have used for 8 years with great luck in intake ports. It holds up to e85 and oxy fuels like MR9. I will use the JB water weld to fill in my exposed holes for final assembly. The front 2 bosses that are directly under the blower outlet in my opinion disrupted airflow. Now making a spacer the bottom plate sounds like a great idea.. Does anyone make one ?
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Guess I'll have to bring out the old Porting tools and blow the dust off of them!
12345!
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The stiegiemier picture i posted was the work he does on road race/drag race cars. He does not recommend that port for street purposes. Everytime ive seen these ported, the screw bosses were always ground flush. I just assumed it was considered a standard when porting the manifold. Like you said, most likely minimal gains if any. But if its already on the bench.....
The boosted world is fairly new to me. shearing, port wall separation and needing to slow down before the valve all changes under boost? Here is a picture from slawkos site. CNC stuff that is still touched up by hand. The fastest standing mile Ford GT has slawko heads on it est 2500hp. The heads in the picture look pretty smooth, I would guess 220-320 grit finish
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