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Smog Pump

 
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PostPosted: Tue Aug 14, 2001 8:22 am    Post subject: Reply with quote

Anybody still running a smog pump on a 924? If so, I would like to get information on where the pump mounts, which crank pully it runs off of, and what size pully in on the pump. Dare I hope for pictures?
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kaffine krazed  
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PostPosted: Thu Aug 23, 2001 2:27 pm    Post subject: Reply with quote

I have a parts car with one. I'll try to get the info tommorrow after work. I'm not sure if it is all there or not.
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PostPosted: Thu Aug 23, 2001 11:51 pm    Post subject: Reply with quote

Thanks KK, I appreciate it.
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924RACR  



Joined: 29 Jul 2001
Posts: 8794
Location: Royal Oak, MI, USA

PostPosted: Fri Aug 24, 2001 12:03 am    Post subject: Reply with quote

I used to have one, on my first 24... you want it why???

Anyway, there was an extra groove on the crank pulley for the belt, dedicated belt... it mounted about where the alternator on a 931 goes... right above the block, behind the expansion/overflow tank on the 924... always in the way! There was also a filter canister for it's intake side, which mounted to driver's left of the expansion/overflow tank from a bracket that also bolted to the airbox.

Why do you want it again???

Anyway, it just sucks power... sorry, no pics of assembled, since it came off the racecar...

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Vaughan Scott
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'79 924 #77 SCCA H Prod racecar
'82 931 Plat. Silver
#25 Hidari Firefly P2 sports prototype
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kaffine krazed  
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PostPosted: Sat Aug 25, 2001 3:24 pm    Post subject: Reply with quote

Sorry I haven't gotten the pics yet. The battery in my digital camera is dead, I've got it charging and will get the pics tommorow morning.

The pullies both seem to be the same size at 3.5 inches I can't really measure the crank pully size because it is the one cloeset to the motor.
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kaffine krazed  
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PostPosted: Sun Aug 26, 2001 12:22 am    Post subject: Reply with quote

The pics are now online. Go to http://www.photopoint.com and enter in the email address kaffine@hotmail.com they are under the Porsche folder. Hope the pics help.
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PostPosted: Tue Aug 28, 2001 1:06 am    Post subject: Reply with quote

KK, thanks very much. Great pics and exactly what I needed. Larso, you were right about the first groove of the pulley being used. That is where the pump is driven as shown in KK's photos. Vaughan, just an experiment I have been playing with to use an air pump as a mini blower, to put a little boost in the intake until the turbo spools up. If it works out, I will let you know.
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