Chevy/GMC 6.2L and 6.5L Discussion of Chevy and GMC Trucks with 6.2L and 6.5L Diesel Engines

6.2l vacuum pump ?

  #1  
Old 05-20-2011 | 11:57 AM
countryboy293's Avatar
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From: Winfield, Ks
Default 6.2l vacuum pump ?

Hey everybody, I am swapping a 6.2l diesel out of an 87 suburban into a 1980 corvette. I want some kind of a vacuum pump to run the power brakes and the headlights. I have seen some for racing gas engines but they seemed to be made for intermittent use and not for constant use. I had a diesel IH scout with a pump on the alternator but it didn't produce much vacuum and would be expensive to replace. Any suggestions would help.
 
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Old 05-20-2011 | 04:35 PM
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There is a stock vacuum pump for a 6.2 that goes in what looks like the distributor hole in the back of the engine and is run off the cam. The 6.5 has a stock one that bolts to the front of the engine and is ran by the belt. I don't know what kind of vacuum they make.
 
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Old 05-21-2011 | 10:08 AM
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Yeah I know about the stock one I just didn't think it would have enough vacuum. I also thought that maybe if I put a big reservoir on that it could have enough reserve to run the brakes.
 
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Old 05-25-2011 | 12:53 PM
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it will make plenty of vacuum if its good ford and dodge both used the same type vac pump for years ...single diaphram.
 
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Old 05-25-2011 | 05:04 PM
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Thanks for the reply. it looks like I will use the stock pump along with with vacuum powered brakes.
 
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