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**svobud** · 12-02-2002, 12:14 AM

ok - so what's your hoses connected to? there's two of them running from the turbo/wastegate. The BCS has two male connectors - this is where each hose is connected on a stock set up. Go find the hoses and tell us what their doing

The stock BCS is 'controlled' by the computer. This is what regulates the boost levels via the prem fuel switch (ie: the plug harness). soooo.... without it being connected - you shouldn't be able to see a difference in boost levels when flipping the fuel switch (just a timing difference).

and no, there's no 'turbo fords for dummies' book - as far as I know...

**Mr. Pink** · 12-02-2002, 12:17 AM

Bud;
Thanks for the quick reply....I'll double check it in the morning and post a pic but I'm almost 100% certain that there are no hoses connected to the BCS (unless I've got the BCS confused with another part which is entirely possible).....

Let me post some pics tomorrow and I hope to narrow down the suspect....thanks again!

**svobud** · 12-02-2002, 12:21 AM

84 SVO right? you're talking about that large square metal box on the pass fender? about the size of a slice of bread - about 1 1/2" in thickness?

**SVOeric** · 12-02-2002, 10:33 AM

84-85 BCS --

this is what it should look like...
not the best pic -- but you should be able to tell if you are looking at the right part

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**Mr. Pink** · 12-02-2002, 06:30 PM

Bud, Eric;
Here is a pic.....yeah I'm looking at the BCS and it is not connected. One of the male fittings is broken off and I guess I'll have to locate a replacement.
And Bud; you were right......I can boost the same wether the Prem. Fuel swith is set to Premium or Unleaded.
So.....am I in danger of overboosting? I did have the turbo rebuilt soon after buying the car....it was rebuilt back to factory spec. I'm guessing I'll just have to be careful with too much boost and pay attention for detenation.....am I correct?

Thanks!

**Mr. Pink** · 12-02-2002, 06:31 PM

Guess I forgot the pic....sorry about that

Attached Files

**SVOeric** · 12-02-2002, 06:43 PM

As I remember (most of my experience is with 86's) -- the 84-85's had a smaller orafice in the opening on the turbo outlet, so it lets just enough pressure through to reach about 16 psi of boost.

Driving the car with more than 9 psi while the switch is on low is not a problem, and won't hurt a thing. That is just to help keep detonation to a minimum. When you setup the gills valve, you will be doing the same thing.. so don't worry about it a bit.

As long as your knock sensor is hooked up, and you aren't having detonation problems, you are not harming anything.

If you were overboosting, you would SURLEY know it....

I accidently left one of the hoses off the boost controler on my 86 SVO one day, and pegged the boost gauge rather quickly. While it was quite a rush, I wouldn't recomend it...

.

-- to be honest, you're probably not going to hurt the TURBO anyway...what you will most likely do is crack a piston from detonation...

you see -- boost is our friend, detonation is our enemy... the problem is large amounts of boost tend to cause detonation.. which causes

**Mr. Pink** · 12-02-2002, 08:49 PM

Eric;
Thanks! That's what I was kinda thinking.....just needed to hear it from someone more experienced with these engines.

I'll probably put the Gillis valve on in the spring as I'm getting ready to leave and won't see the car until March some time....thanks for the help.

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