Vash350Z

iTrader: (9)

So turned out all of my woes with hard stars and cam shaft positition codes was from a failing SS Box. Knowing that i have to now replace it i was thinking of upgrading my cipher to the osiris tuner and the base tune done and S and R because they are local to me, they also are willing to teach me the basics of the software so i can fine tune it later as i change things on the car. Also, it is actually cheaper than getting a new SS box which now $599 per vortech!

I have been out of the tuning scene for a couple years now, is osiris still the best cost-effective solution for a street car? Are there any short comings that i am missing? I have a DW300 pump in the car and i was thinking of pulling the vortech fuel stuff off before having it reflashed and also adding some 600cc injectors. Am i missing anything? I am hoping that in the end i will have a smoother running car with a bit more power.

OldManZ350

iTrader: (23)

If you go with the Osiris, you will likely run out of MAF, and a GT MAF is $350 I think.

Remember SS Box works by modifying the MAF Signal.

I still use the SS Box, Car starts perfect Hot or Cold, Runs Great, Smooth, 11.64@121mph

I think your Fuel System is Lacking......

When I added 600cc Injectors with the DW300, Starting was fine, but had flat/lean spots in and out of cruse, never could get it right, It just was not workable and had nothing to do with the SS Box.

I installed a CJM Stage 2 Fuel System with Dampened Fuel Rails, and NOW the Car Runs Perfect, and was really a piece of Cake to Tune, compared to Before. Note, on first start, all problems were gone.

The Limit of the SS Box is 16PSI and 8000RPM....

I remember when you came to my house, just how Rich and rough your car was running, and had jet black exhaust tips.....

Also SS Box or FTC1 is $499 Retail from SplitSecond, but they will cut you a Deal, not like Vortech.

Hope this helps.

TimRod

Resmarted

iTrader: (2)

Technically, you could get an older haltech for a little more than the osiris setup old man described. Haltech is awesome. Even I can use it.

Just some food for thought.

Vash350Z

iTrader: (9)

Gonna call split sec on monday.

OldManZ350

iTrader: (23)

Talk to Mark, he is a good and spend lots of time with you.....Very Helpful.

OldManZ350

iTrader: (23)

Also, Ask about Repairing your Unit, should be much cheaper that a new one.

jerryd87

iTrader: (4)

your issue is likely transient throttle which is adjustable on pretty much all the good engine management systems.

OldManZ350

iTrader: (23)

Like I said, I don't have any Issues after installing a CJM stage 2, it was not the TB. Please read the whole post.

jerryd87

iTrader: (4)

transient throttle dosnt affect the TB at all, it adds fuel based on throttle movement. the cjm possibly could have helped but im betting it was a bandaid, the return setup assists keeping a steady fuel pressure(which on throttle off would normally be slightly rich not lean if that was a issue) and the dampers where a very specific rpm range not throttle release or let off(and only a couple people at that). band aid, sure, actually fixed completely unlikely. please read what transient throttle tuning is.

the SS box isnt a very good unit if it was people wouldnt be spending 2-5 times as much on engine management solutions, what you run for boost on a stock block makes me question how much power your giving up due to the unit. never mentioned it in previous threads but something is going on with your setup if your running 17 psi on a stock block, the engine def isnt making what it should be at that boost level.

op just get uprev, or a used harness haltech you spend a little bit extra and get a much better unit.

OldManZ350

iTrader: (23)

Jerry, Thanks for your input. And I agree, the SS box is not the greatest, I'd prefer to have a Haltech standalone.

So, please tell me what whp I should have with a Supercharged Stock Block @ 16-17psi.

Thanks,

TimRod

OldManZ350

iTrader: (23)

Jerry, Haltech: Throttle Pump explained ( I've never had this problem ) Very good Info though.

jerryd87

iTrader: (4)

dont take it wrong im not intending to insult you im simply pointing out that while your not having issues the "fix" is a bandaid and the proper fix is likely transient throttle tuning.

16-17 psi should be around 500 to the wheels unless something crazy is going on........ and im being conservative there, the blower would have to be pushing enough air to maintain that pressure in the manifold, 20 psi is around 550-600 to the wheels(in some cases even more) on a turbo. super charger will be slightly less plus a slightly less boost pressure 500 i would think be a safe bet playing the guessing game which is more then a stock 03's rods can handle.

considering ive seen numbers of 420-450 on 11-13 psi that seems about accurate as well. makes me think something is up causing you to not be making as much power as you should be mayby im wrong it just seems like a very high amount of boost for a stock block

jerryd87

iTrader: (4)

yup ive seen it, but you said tip in and let off from cruise resulted in flat lean spots. lean on let off is fuel decel cut but tip in is tansient throttle/throttle pump. let off it would depend how lean, if you notice in his video afr gets pretty high on let off, mine is no different when i had decel cut on, turned it off because ive been tuning for the changes ive made to the car recently

ill admit im not the best tuner but both things should be a tuning thing which as far as i know SS dosnt have the option to fix with tuning perhaps im missing what your issue actually was?