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WTB: VDO Boost Gauge w/Telltale

Well I figure this is a longshot- but I'm looking for a VDO 934/935 style boost gauge w/the telltale that fits in the stock clock location. Not too into the newer style NHS units so was hoping someone out there may be willing to part with one. Thanks.
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Jay
'86 930
'60 Land Rover Series II SWB
Old 01-01-2008, 01:55 PM
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You don't want the one with the telltale.
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Old 01-01-2008, 02:50 PM
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Jay,
They have the ones just like the old tell tale ... but it just doesn't have the tell tale part..
These are great, and the tell tale part doesn't break!
http://www.andial.com/content/930/gauges.htm
Old 01-01-2008, 05:16 PM
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Overpriced junk.
The tattletail is usually stiff, hangs up the boost pointer and eventually breaks. (as me how I know)
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds
'78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar
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Old 01-01-2008, 05:18 PM
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Quote:
Originally Posted by RarlyL8 View Post
Overpriced junk.
The tattletail is usually stiff, hangs up the boost pointer and eventually breaks. (as me how I know)
thanks- did a search and saw some other threads where folks have had problems. I think I may take Rory's advice and go with the Andial vdo. It's funny you replied- I was just checking out your website as I heard you had exhaust systems with SSI heat exchangers. I'll be in touch about the exhaust- and ask you about your boost gauge tattletale horror story!
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Old 01-01-2008, 06:23 PM
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It's not really a horror story, just a real aggravation.
I bought this POS for >$200 a few years back from one of the more popular Porsche tuners. It never did work well, always sticking and slowing the boost needle. Lasted about a year and then the tt needle dial broke. I called the tuner and of course they would not stand behind it.
So now I have the equivalent of a $40 ricer boost gage.

Give me a shout on the SSIs. We can discuss your needs to be sure they are the best product for your application.
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds
'78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar
Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8

Last edited by RarlyL8; 01-01-2008 at 07:53 PM..
Old 01-01-2008, 07:51 PM
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Quote:
Originally Posted by RarlyL8 View Post
It's not really a horror story, just a real aggravation.
I bought this POS for >$200 a few years back from one of the more popular Porsche tuners. It never did work well, always sticking and slowing the boost needle. Lasted about a year and then the tt needle dial broke. I called the tuner and of course they would not stand behind it.
So now I have the equivalent of a $40 ricer boost gage.

Give me a shout on the SSIs. We can discuss your needs to be sure they are the best product for your application.

Hi,
I have the original VDO 934 Boost gauge with the telltale. They don't have problems do they?

I paid serious change for it. I think it was $395. Works perfectly.

Is there anything I should be watching for with it?

Les
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---Les Garten---85 930, Andial IC, GHL Headers, Fabspeed Dual, K-27 HF2, 3.4 JE Full Finned 7.5:1 CR, 964 CAM'd, Carerra 3.2 Manifold Cut/Flipped, Tec3r, Siemans 55#, GSF Fuel Rails, Clewett Crank Trigger, Clewett Cam Trigger,Dual Plugged, ARP Head Studs/Rod Bolts, Clewett Wires.Tial 46mm WG, Tial 50mm BOV, WEVO Shifter,934 Boost Gauge, Wideband EGO Sensor/Gauge, C2T Head Gaskets, '88 MB 300TE,BMW R100RT
Old 01-02-2008, 06:30 AM
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I have the ANDIAL it's perfect. I have the best of both worlds.. They are the same.. only I have no tell tale that breaks off.





good luck with your search Jay
Old 01-02-2008, 07:00 AM
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I got that one wich is working fine...excepted that boost pressure was a little bit too high....a few month ago....

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Old 01-02-2008, 09:02 AM
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Jeezzus! Serge.. you had 1,5 bar going?? I would be scared ****less to run that. I stay at 0,8.
Old 01-02-2008, 09:12 AM
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Quote:
Originally Posted by Rory Mckenna View Post
Jeezzus! Serge.. you had 1,5 bar going?? I would be scared ****less to run that. I stay at 0,8.
Yes...you're right...and only because of the pipe going from the Kokeln to the wastegate.....as I had at that time one head stud broken...I broke the cylinder...and have to change it...end of an experience....

That's the reason why, I'm looking for the strongest head studs avalable fo my TT engine......
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Old 01-02-2008, 09:20 AM
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RUF makes the same gauge.. without the tattle tell.

It is just like the ANDIAL I have only stamped RUF.

Old 01-02-2008, 09:28 AM
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I have to wonder though, why people are buying 2 bar boost guages, when even the race cars only ran 1.3-1.4 (except for qualifying), and most people here aren't even running 1 bar? That's quite like having a speedometer that reads 400 MPH...

I'm biased. I have the -30-0-20 PSI VDO gauge, plumbed so it can "see" vacuum. I find it useful to be able to see the boost building - e.g. manifold vacuum diminishing. Makes it easier to predict..
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Old 01-02-2008, 09:57 AM
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Quote:
Originally Posted by spuggy View Post
I have to wonder though, why people are buying 2 bar boost guages, when even the race cars only ran 1.3-1.4 (except for qualifying), and most people here aren't even running 1 bar? ..

Only because it is...stock vdo original boost gauge.....and historic part...!!!
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Old 01-02-2008, 10:04 AM
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VDO Boost Gauge

I can answer the question above. And so can any sailor who has ever spent any time in a Navy ship's engine room. The gauge is most accurate in mid-range. So for an application that needs to display/verify 1.0 PSI, a 2.0 PSI gauge is perfect.

Thanks,
Mark
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Old 01-02-2008, 10:05 AM
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Quote:
Originally Posted by spuggy View Post
I have to wonder though, why people are buying 2 bar boost guages, when even the race cars only ran 1.3-1.4 (except for qualifying), and most people here aren't even running 1 bar? That's quite like having a speedometer that reads 400 MPH...

I'm biased. I have the -30-0-20 PSI VDO gauge, plumbed so it can "see" vacuum. I find it useful to be able to see the boost building - e.g. manifold vacuum diminishing. Makes it easier to predict..

Hi,
I think if I were Serge above I would like to know if I hit 2 bar accidentally. Of course you could probably tell that by the Burnt piston!

Les
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Old 01-02-2008, 10:32 AM
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I knew that I had an head stud broken on my spare engine...but what happened was that the guy who fit the KOKELN didn't plug correctly the wastegate little pipe...and with the overboost (I had 1.65 bar...), and the broken stud, I think that the cylinder twisted a little bit at each explosion and failed...but the only damage was the cylinder, not the piston or anything else.....I'm definitly sure that It didn't happened with good head studs...I mean only exceptional short time overboost...accidently....
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Old 01-02-2008, 11:31 AM
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Quote:
Originally Posted by 935TURBO View Post
I knew that I had an head stud broken on my spare engine...but what happened was that the guy who fit the KOKELN didn't plug correctly the wastegate little pipe...and with the overboost (I had 1.65 bar...), and the broken stud, I think that the cylinder twisted a little bit at each explosion and failed...but the only damage was the cylinder, not the piston or anything else.....I'm definitly sure that It didn't happened with good head studs...I mean only exceptional short time overboost...accidently....
Hi,
You mean the top fitting that is supposed to open to the atmosphere? !.65 Bar scares the snot out of me?

Les
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Old 01-02-2008, 11:39 AM
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No...the "tube" wich is bringing air pressure into the wastegate...it was disconected..!!!
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Old 01-02-2008, 12:59 PM
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Hi,
I think if I were Serge above I would like to know if I hit 2 bar accidentally. Of course you could probably tell that by the Burnt piston!

Les
Les,

My boost setting with a factory wastegate is 12.5 PSI (.8 bar). The gauge goes to 20 PSI (~1.4 bar). That's so far above where I want it, that I don't need to know that the motor will make 3 bar unregulated.

Doesn't look like having a 2 bar gauge did Serge any good, either...

Serge, was the overboost switch disconnected? Or did it build boost so fast it overshot anyway? Were you looking at the road and not the gauge?

(not currently running an overboost switch, but I'm a little more twitchy about that now than I have been...)
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Old 01-02-2008, 01:17 PM
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