Real tech discussion on design, fabrication, testing, development of custom or adapted parts for Pontiac Fieros. Not questions about the power a CAI will give.
i prob shouldn't be spending time on these since I have my own heads to port for a future project but I thought I would do just one side of one intake port. I touched on the exh too but not that much.
figured I would show some pics to show what all was done.
bowl work, knife edged a bit, and just an overal smoothing.
You can see the factory casting flaws in these pics. These are the 3.4 DOHC heads
like I said I was bored and figured I would waste some time.
FieroPhrek working on that ls4 swap for 18 years and counting now. 18 years!!!!! LOL
BEWARE OF BEN PHELPS. YOU HAVE VEEN WARNED. WORSE THAN MILZY IMO
I finished one chamber today. I took a pic of all the material that has just come out of the intake port. I will post that later but lets say its a pretty darn good pile.
Here you can see the difference of the stock port vs the ported intake port and the knifeedging of the divider. Prob worth a few cfm or so.
Not that I dont' plan on selling these in a few months when I will probably be done. However I will have more time invested then what I will get monetarily for them.
It would be cool to be contracted out to a speed shop where people tend to throw a ton of cash around.
People that run their own business rarely make a ton of cash/hour spent. Atleast the overhead in porting is low, I imagine it could only be a side job, depending on how much demand there is for head porting.
Here is the pile that came out of one cylinder. This includes the intake and exh ports. Lots of crap hehe.
Here is the exh port. Here you can see the huge lip in the port. Why its there I dont' know. And then you can see how its been eliminated and smoothed. Also the divider has been narrowed down a bit as well. You can see the difference between the 2 pics