2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Rotary Down! Rotary Down! Supercharger issues

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Old Nov 28, 2005 | 07:33 PM
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Rotary Down! Rotary Down!

Yep, same thing happened to me that happened to snub's supercharger...metal shavings in the lower intake manifold and a locked up charger...only problem is I have coolant under my car and I get to find the leak.

I'm hoping that it just sent some out the coolant resv or rad cap from over pressure and not coming out of any where else.
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Old Nov 28, 2005 | 07:36 PM
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ack! that sucks!
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Old Nov 28, 2005 | 07:38 PM
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The ironic part?

Oh I called Camden about the skipping belt and he mentioned that it may be trying to boost too much and causing the belt to stretch/not be strong enough.

Just my luck that I fixed the belt and boost leak and it made full boost for a brief moment, tore off like a bat out of hell, but then again, it only lasted for a second!
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Old Nov 28, 2005 | 07:39 PM
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where the hell did the metal shavings come from, anyway?
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Old Nov 28, 2005 | 07:41 PM
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Andy from Camden said something about a shaft that turns the lobes inside of it (or connects them or something of that nature) has a key on it, with too much it eats up the key because the charger isn't made for it...which is what he told me about snubs...apparently the same situation happened to mine.
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Old Nov 28, 2005 | 07:43 PM
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Which is rather interesting considering it's only supposed to be a 7psi pulley...

Time to start a boycott camden campaign.
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Old Nov 28, 2005 | 07:43 PM
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Well, what's going to be the resolution on the charger? Are you screwed, or are they going to fix, replace, or help you with your issue?
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Old Nov 28, 2005 | 07:43 PM
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Man... what are they gonna do about that?
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Old Nov 28, 2005 | 07:44 PM
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I assume the metal came from the supercharger blades possibly eating themselves. You could put a metal screen or a screen of somesort that coudl handle boost on it; b/w the supercharger and the motor. Kinda a fail safe thing. its just an idea.
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Old Nov 28, 2005 | 07:44 PM
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Probably like they do with their engines, and blame it on the user?
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Old Nov 28, 2005 | 07:45 PM
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No, it is under warrenty (thank god) so I get to send it to them tomorrow to be rebuilt & inspected...
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Old Nov 28, 2005 | 07:50 PM
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Originally Posted by SonicRaT
Which is rather interesting considering it's only supposed to be a 7psi pulley...

Time to start a boycott camden campaign.
I second that. Its complete bullshit that they sent out a shitty product. I expected so much more .
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Old Nov 28, 2005 | 07:54 PM
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It's supposed to be an 8 PSI Pulley, which is the whole reason why snub sold me the kit...

I'm not going to say 'Camden Sucks' or anything like that until I have it done and everythings finished with and I see the final product, so far I'm not impressed though.

Joe, these metal shavings are so small, maybe smaller than a MM, VERY small and fine shavings...
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Old Nov 28, 2005 | 08:19 PM
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hmm.. so far has it only been your two chargers that failed? Or are there others?
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Old Nov 28, 2005 | 08:20 PM
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Andy said there has been "other blowers come in with issues" but from so far, on the rx7club, just me and snubs chargers.
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Old Nov 28, 2005 | 09:04 PM
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Do you know roughly how many people on the board have them? I know that not many probably post, as it turns into a big flamewar every time the term "camden Supercharger" comes up.
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Old Nov 28, 2005 | 09:07 PM
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Yeah, exactly.
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Old Nov 28, 2005 | 09:21 PM
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Old Nov 28, 2005 | 09:22 PM
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So, is there anyway that you can have the charger 'upgraded' while it's back at the Atkins/Camden facility, so that it can safely run more boost?
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Old Nov 28, 2005 | 09:36 PM
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Unless by upgrade you mean replace it with a whipple and have them stamp camden on it, not likely.
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Old Nov 28, 2005 | 09:37 PM
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You can buy a bigger blower, which usually costs around 2500
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Old Nov 30, 2005 | 11:36 PM
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! Update !

- The charger apparently BLEW the secondary fuel rail off, which in turn knocked an injector out of the hole which is why there was fuel on the ground - I'm suspecting it's the same problem that snub had with a bad charger. Camden being the good people are basically said if it's the same as snub's problem they are going to send me a whole new charger.

- The engines fine - thank GOD - it was just a green reflection off my bike lol...I checked the puddle again and it was fuel sure enough. Thank god it wouldn't hold an idle for long after the car started or we would have had a big fire because after I towed it home I checked the manifold and it had fuel dowsed all over it.

-- This would 1) Explain the hesitations in the high rpm and 2) Why the belt was skipping (if it's the same problem as Snubs) - except I finally fixed all my boost leaks and tied everything down so it held a vacuum and fixed the belt, and it hauled *** up until the point of which the charger FROZE up.

Camden's been very good about it, albeit I did have to pay shipping there but they are offering a warrenty on it which I think is very good, I wouldn't have had that if it wouldnt have been for Camden and I would have been screwed out of the money at this point with a third party seller.
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Old Dec 5, 2005 | 12:21 PM
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But then again, most 'other' superchargers don't randomly assplode all over themselves after 200 miles.
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Old Dec 5, 2005 | 12:39 PM
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Wow, what's wrong with their blowers if they're doing that on those boost levels?

I spin my Eaton Roots blower to 14K+ RPM, which is 17 lbs of boost on a 3.8L engine, AFTER an aftercooler, that is one hell of a lot more pressure then the atkins blower is putting out; I have 133K miles on my blower, all I've ever changed is the oil in it.

If they're chewing blowers up at those power levels, they're junk blowers or there is an issue in their layout that is stressing either the case or the snout.
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Old Dec 5, 2005 | 12:51 PM
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That's really too bad. I like Atkins, I really, really do. But something like this is inexcusable, considering the amount of development time and the price the kit costs.

Has anyone approached them about the other design issues that have been pointed out in the past? Poor port fitment (as SonicRat pointed out), lack of progressive throttles (though I don't know how you would fix that short of going to a centrifugal blower and mounting it before the throttle body....or redesigning the lower intake to include throttles), lack of bypass, etc.? If so, what did they say?
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