What kind of set ups do you guys have?
I run an AED REV-I kit that was originally set-up for 6-psi. I have since upgraded the kit (on my own) to run 10 psi. Click below for my info...
MM&FF Luxobarge Shootout...
How many miles when you added the blower, how many with the blower on?
Originally, the stock '95 ROMEO 4.6L had approx 35k on it when I installed the blower. It didn't last long with 9-psi of boost, something like 30k total. The 2000 4.6L GT engine went in with ZERO miles on it. KNOCK ON WOOD, it's been over 4 years now and it still runs great. The tune is much safer and having it away from the edge does keep it together longer.
Originally 6-psi, then 10-psi. Remember that boost is just a measurement of restriction. The more boost you have, the more airflow is stacking up and not being used.
Yes. ALL AED kits were/are intercooled. While AED takes a bad rap for their small intercooler size, it works flawlessly with the 6-psi kit. Dropping discharge air temps by as much as 60 degrees F. on a 90 degree F. day. Running more boost brings more air charge temps and that is when the AED intercooler starts having trouble sustaining the ACT's.
Are you using the stock NPI heads?
I did. I ran 13.37 @ 103 mph with NPI heads and NPI cams. Mike Siska ran 12.69 @ 107.70 mph with a stock 1995 ROMEO 4.6L engine in his '95 AED T-Bird.
Now, I use the PI heads/PI cams from the '00 GT engine. The C/R is only 9.0:1, but it still managed to make 325 RWHP/380 RWTQ (SAE). Best e.t. was 12.74 and best mph was 109.45.
If centrifugal, stock intake plenum?
No. I used the FRPP 70mm unit from day one. I recently switched to the BBK 75mm throttle body, although not worth the work in my opinion.
Originally, a 73mm C&L MAF. When I got wise, I switched to an 80mm L-MAF with a tune from the J-Man at SCT. I still use the 80mm L-MAF today.
Fuel injector size?
19's originally with the AED REV-I kit, since it had an fmu. Then I switched to 30 lb./hr. FRPP injectors when I upgraded the MAF and tune. Now, I use 36 lb./hr. FRPP injectors.
Hopefully this will get me started. Mostly just curious of how the stock engine can hold up against small psi ratings, you know, below 15 psi.
1-psi is enough to take out the weak hyperpathetic pistons. Knock without boost and you can crack a ring land. I've seen two N/A 4.6L engines with broken ring lands on the pistons. Anything in the 6-psi range will get you bye for some time on the stock parts, provided the tune is perfect. It won't last forever, it's not "if" but "when" it will go.
15 psi...good luck.