OK looks like I have the final bits to complete my Vortech based SC kit.
I had the car running for about a week before I blew the stock head gasket. So I took the time to re evaluate my set up and change some stuff.
This is what I ended up with. Only thing I have questioned is the use of the stock fuel pump. Let me know what else I may have missed.
3.2L motor
Aftercooled Vortech V2-Sq at 11PSI
VAC MLS .080 HG
DSR street cams
Port and polished head
3mm over Throttle Body
VPD oil cooler
UUC UDP's
Zionsville Rad
RC eng 550cc injectors
Remus headers w/jet hot 3000 coating.
TECIIIr.


I am also thinking once my check book recovers from this I will add a 3in header back exhaust.
I hope to break 400whp. Only time will tell.

You should be in 400whp territory with the hardware and a good tune.

-John

I hope so.....my only concern is the fuel pump. But thats an inexpensive upgrade. I already have a spare pump unit just need to buy and swap out pumps.

Wonder if twin stock pumps would be as good. I have the twin pumps in my car for fuel starvation problems at the track works great for that application not sure about in FI. Might work. I did mine for under 200 bucks.

you will definitely hit the 400s. i did it with 10psi just using Schricks, M50 manifold, & 42lb injectors. i have to look into an upgraded fuel pump as well since it seems to choke a bit up top. ill let you know how it works out.

you will definitely hit the 400s. i did it with 10psi just using Schricks, M50 manifold, & 42lb injectors. i have to look into an upgraded fuel pump as well since it seems to choke a bit up top. ill let you know how it works out.

But do you have to run crappy 91 octane ?:bluecry1

it was the only shit available at that time just before the dyno runs. :mad im sure that may have caused the spike up top.

you dont need 550cc injectors. 440cc injectors (42lbs at 3.0bar) are more than enough. You will be beyond rich running those and may be a problem trying to tune.

it was the only shit available at that time just before the dyno runs. :mad im sure that may have caused the spike up top.

I didn't even know 91 was avail on the east coast. I thought Ca was the only cursed ones.
We will see with the 550's. I may bump up to 12psi to aid in lower end power with the lower compression.

your not really lowering teh compression with the .080 HG since you have to take into consideration the shaving of the head. If anythiing it may be lowered to 10:4 instead of 10:5. Everyone told me i would be running rich running teh 42lbers at 3.0 bar (flowing 44-46 lbs at 3.5bar) which they were right. Now i can imagine how rich teh 550cc injectors will be. Best of luck.
Actually we still have the economy crap 89 available as well.

I didn't even know 91 was avail on the east coast. I thought Ca was the only cursed ones.
We will see with the 550's. I may bump up to 12psi to aid in lower end power with the lower compression.

91 octane is available here.. the difference is it is easy to find 93 octane on the east coast. In CA you're hard pressed to find anything higher than 91 octane at the pump.

Super at the pump here in NY/CT is 93 octane
Super at the pump back in CA is 91 octane :(

-Dave

your not really lowering teh compression with the .080 HG since you have to take into consideration the shaving of the head. If anythiing it may be lowered to 10:4 instead of 10:5. Everyone told me i would be running rich running teh 42lbers at 3.0 bar (flowing 44-46 lbs at 3.5bar) which they were right. Now i can imagine how rich teh 550cc injectors will be. Best of luck.
Actually we still have the economy crap 89 available as well.


There's no issue of running rich with different injectors. You just need to shorten the pulse width through tuning...

thats a big threshold working with 550cc injectors though, when you really dont need that much flow. Your tunning is limited to the injectors restricted flow. Im no tuner but its logical.

thats a big threshold working with 550cc injectors though, when you really dont need that much flow. Your tunning is limited to the injectors restricted flow. Im no tuner but its logical.


The thing is, there are supra owners running 1600cc injectors on L6 motors with an idle of 1100rpm. That's over about 3x the volume of the 550cc injectors. The only concern when running an upgraded injector is if its going to be enough up top (which hopefully youre considering)... it will always be enough at idle really and the only concern will be flooding the idle... unless you want to get technical and talk about 9lb/hr injectors such as ones in scooters etc. The 550's can be a pretty low PW, prob around something near 1.7ms or such and I think the Bosch ECU has that sort of resolution to be able to handle that. Worst case scenario: Raise the idle speed. But 550cc are NOT going to require idle air adjustment... they do work am fairly sure of it.

11psi on 91 octane with a stock motor and no methenol?

You should have no problem with the stock fuel pump in the 400 hp target range, as long as it's healthy (and the lines and filter are in good shape)

And I agree, the 550cc's are probably overkill for your target, and pretty useless for "expansion" since you'll hit the CF SC ceiling in the low 400's, even with the cams (and whatever help or harm the headers do).

With the TEC 3 you're probably going to run into cold start and idle glitches anyway, no sense aggravating the problem by trying to squeeze the pulse-width down on those 550's when 440's will do. But if you already HAVE the 550's laying around, I guess it's worth using them instead of buying new smaller units.

11psi on 91 octane with a stock motor and no methenol?

He's got an aftercooler. I run a similar setup on 91 with no issues, been doing it for over a year and a half now. And I have smaller injectors, 36 lbs units.

the only reason i brought it up is because he has a set of 440cc injectors.

I'm gonna have to look at the injectors...they may be only 500cc.
The pump is about a year old I will see what all is going on once the car is running late next week.

Croak I didn't realize you were still at 36# did your tuner say anything about them getting maxed out ? Will you upgrade once you put in cams ?

When I briefly retuned to be richer up top (11:1), I was running about 82% IDC at 7k, according to my Innovate LMA-3 monitoring. I leaned it back to the mid 12's because the car didn't like it that rich, and I'm below 80% IDC.

So I still have headroom for the cams, if I ever install the sumbitches...thinking about selling them now, Xmas is a bitch on the wallet.

Anyway, that's why I personally think the 550's are just way too big for your setup, and the 440's or something similar will do the job just fine and still leave you some headroom.

When I briefly retuned to be richer up top (11:1), I was running about 82% IDC at 7k, according to my Innovate LMA-3 monitoring. I leaned it back to the mid 12's because the car didn't like it that rich, and I'm below 80% IDC.

So I still have headroom for the cams, if I ever install the sumbitches...thinking about selling them now, Xmas is a bitch on the wallet.

Anyway, that's why I personally think the 550's are just way too big for your setup, and the 440's or something similar will do the job just fine and still leave you some headroom.

That would be nice...4XXWhp with cams and 36# injectors. Save the hot sticks you will put them in.

good luck with your setup...
hopefully, i can finish up my install.....

damn holiday parties and birthdays!

Do you realize we already have a tune for the set up your running. Unless you really want the Tec III. Idle is great and driveability is awesome. 42lb injectors are also more than enough.

The Tec was bought a while back and was used when I was NA. For the price and the fact I NEVER have to pay for BMW software it was (IMO) my best option. Sias Tuning is also about an hour from me. And any tuning is a phone call away. I don't have to worry about paying 1,000 for tuning and only having a couple of tries to get it perfect.

let me know how it works out..

BTW $1,000 for tuning was an exaggeration. I think its closer to $700.

whats a setup like this cost? those are some pretty impressive numbers you are going for.

I hope so.....my only concern is the fuel pump. But thats an inexpensive upgrade. I already have a spare pump unit just need to buy and swap out pumps.
Get the Walbro 340, or a Kenny Bell boost a pump, raises the voltage on you existing pump to make it run harder to pump more volume, its adustable to 16 volts and will work on your set-up.

The Tec was bought a while back and was used when I was NA. For the price and the fact I NEVER have to pay for BMW software it was (IMO) my best option. Sias Tuning is also about an hour from me. And any tuning is a phone call away. I don't have to worry about paying 1,000 for tuning and only having a couple of tries to get it perfect.
Vic is the man!!, I wish he was only an hour from me too. :(

Vic is the man!!, I wish he was only an hour from me too. :(

Not to rub it in but Vic AND a load dyno are an hour away.
So that Kenny Bell boost a pump runs about $250 ? You guys use on yet .