Envious of what Ryan?

 

I posted, in the other thread, that I looked for this "cheap" ISV a long time ago and Autozone wanted over $300 for it. As of now, however, yes, this part shows up for me at $139.99 with a 928 606 161 01 part number. And that's the correct part number. It's described as a Duralast.

Maybe it will come in a Bosch box. Maybe not. Maybe it will have the correct Bosch part number on it. Maybe not.

If it is in a Bosch box with the correct Bosch part number I might use it on "someone else's" car, but, only with the explicit understanding that *I* do not know if it will work or not. If, "someone else" wants to take an 8 to 10-hour chance to save ~$200 then that's fine by me.

As for *me*, if the part looks like an exact replacement for the OEM ISV, then I'd give it a try. But, only on my twin-screwed '91 because it takes less than 2 minutes to R&R. I won't take a full-day chance on one of my other's with the ISV buried in the stock location.

As time goes by and I put in - hypothetically - two or three of these and see that it behaves, according to the Shark Tuner and my brain-o-meter, exactly like the stock one.... then I'd might use it as an option henceforth provided that there are no outward changes to the part and its packaging.

The thing to remember in this debate is that some folks cannot take chances with unknowns, some folks don't want to take chances with unknowns, and some folks don't mind taking chances with unknowns. For me the definition of a known part is that it comes in the correct box, with the correct part number, looks exactly like the correct part, and finds its way to me in a reasonably-traceable way from the OEM manufacturer or Porsche through known suppliers. Anything else is an unknown and requires some decision on my part before it goes on.

Last, I've never found a dead two-pin ISV. Sticky? Sure. Cleanable? Frequently. Dead? Not so far with a couple dozen examined. I'm sure I'll run across one at some point. But, for the moment, if it cleans up nice and seems to work like a Timex I don't press for a replacement. I advise. I have replaced a couple because they didn't clean up nice or because someone else wanted a complete stress-free experience.

 

Dave-

So when you actually have one in your hand (as opposed to still buried under the intake), how best to clean one? Do you attach it to 12V somehow and blow half a can of WD-40 thru it? I've gotta clean one up for the stroker.

 

PM sent Greg

Cheers

 

Caveat: I won't claim to know the best way to clean one. I won't even claim that my way is particularly good - just that it hasn't yet bitten me in my *** and required me to go back into an intake. And nothing's blown up.

The way I do it works with the ISV in place or in my hand. Just that the latter procedure can be more thorough and has the luxury of allowing me to clearly observe the condition of the ISV and the effect of cleaning.

For convenience sake I have a two-pin connector on 4-foot test leads that I can plug into the ISV and clip onto a power supply. Simple test leads are good enough, but the "custom" tool makes quick work of exercising an ISV when it is in place in the intake.

I do not use WD-40. I've heard/read too many stories about WD leaving a residue. I use "Wally's" mixture of 50 percent Acetone and 50 percent ATF. It doesn't take much. A fraction of a teaspoon. A bit in the inlet, a bit of low-pressure compressed-air to move the Wally Juice. Work the ISV with the power supply. Lather rinse repeat as necessary with just air and electrons. Maybe a second shot of Wally Juice. Lots and lots of air to finish. If I have any doubt about how quickly or smoothly the ISV operates then I advise replacement. It should be instantaneous and strong.

For in-intake cleaning I run a tube from the MAS elbow's y-connector into the inlet hose for the ISV and introduce a squirt of Wally Juice via the tube directly to the ISV. Then follow with air and electrons.

In either case, when I'm done I allow several hours minimum for evaporation.

 

GUYS stop trashing the isv at autozone unless you owned one.Yes i have one on my car from autozone and its fine.The bag say Wells , but through sourcing and vending from one manufacture to another the Bosch exact to my old one in a brandnew ibag with warranty....Thats what i got and ran better with that than my old sporadic idle hunting crap....Buy it and be the judge if not happy return to Autozone...

 

I bought my fuel pump from Advance Auto. I can't really what the brand was they listed it as. What I do know is that it came in a Bosch box. It was light blue. "Bosch" and the part # were pressed into the side of the housing, along with "Made in Czech Republic."

I bought my throttle position sensor from Car Quest. Again, it was a Bosch part, in a Bosch box and it was identical to the one I removed from the car.

I even bought intake manifold gaskets from Carquest. Made by Victor Reinz.

Next thing you know, some of you people will be saying that we can only by Bosch spark plugs from one of the vendors, because heaven forbid, they might be fakes too, or even worse, defective because you saved a buck or two.

 

My Bosch plugs came from NAPA... and no, not the California one.

 

apparently, (and ive asked and had this confirmed) people are insisting that even though our parts that you and I buy from nationwide retailers which buy parts by the thousands and likely get much better prices, are in fact NOT actual Bosch parts. Ive asked for clarification on the opinions of this and apparently thats the theory here. Thats why the posts continue to mount on this one. I had posted the part number on the Bosch ISV i purchased and it was confirmed that that is in fact the porsche 928 ISV part number and its not as was previously suggested a "saab" ISV labeled to work on a Porsche. Its the correct part number, its a Bosch part, but it apparently cant be true, so it must be a fake. Thats what im made to understand by some here.

I dont agree with it but if thats what they wanna think then so be it. I wont continue to post what i think of that theory.

I can say with near certainty that the parts in question, when labeled bosch, and when purchased from Autozone (although not listed as Bosch in their computer) are in fact Bosch. Can i guarantee this, no but the retailer that you buy them from sure can, i know that. I can assure you no company like Autozone would purchase replica bosch parts. Which is apparently what is being assumed here by another party.

What do i think happened? I assumed that at some point some large stock of Bosch parts which were sitting in some warehouse was purchased by a company like Wells who in this case would act as a distributor and Wells then sold them to other retailers. I was curious why the TPS sensor i bought was so dusty yet was in a bag. It was i assume sitting on a shelf for awhile, collecting dust, at some point it was put in a bag labeled Wells and then given to me. This is just my guess but i am certain that they are NOT replica parts as some are eluding to here.

I have made my point in this thread and wont continue to go on with that back and forth. What other members choose to believe is up to them. If you think a part cant possibly be legit because its sold for $140 not some other number then fine. FWIW, look up what an ISV costs for any other car, they run from between $100-$200 so the fact that they sometimes sell for $400 as stated would be a bigger red flag to me.

 

I'm not seeing the risk with AutoZone, if you get the wrong part, return it at a local store.

 

Agree Mike, 100%. I'm glad there is an AutoZone so close to me.

 

The point is that its being suggested that its a Fake bosch part. So even though it says Bosch that its a replica part. So you wouldnt know it wasnt the correct part, and you wouldn't think to return it.

I think its silly but ive found that I just have to agree to strongly disagree on this one theory.

 

As I understand it there are strict federal regulations within the FTC that require OEM parts with the same identification to be from the same supply without any monkey business as go to the dealers.

 

Why did the one you posted a picture of come in a Wells bag?
Bosch parts come in a Bosch box, at least every one I have installed did.
I have ordered one from Autozone, I will see what it looks like when it gets here

As far as the risk, man how much time and money does it take to replace one on a 928.
It cost me more than time if I have a car come back.
The people that do not do this for a living it is not a big deal, for me it is my ability to put food on the table and pay for toys.

We can just say we disagree Ryan and I will leave it at that.

 

Greg,

I shared my theories as to why a Bosch part came in a Wells bag earlier. I have no idea why thats the case, but the fact remains what i bought was a Bosch labeled part with the correct PN and it worked flawlessly.

I look forward to your thoughts on this once you get your ISV. Autozone is good about having parts the next day after you order them so once you look at it, i would then love to hear your comments post purchase.

till then