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Old 09-07-2015, 01:11 PM   #1
Mr Chevy
and son
 
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Join Date: Apr 2008
Location: Hagerstown Maryland 21740
Posts: 81
1986 Chevy Suburban Heat Riser Question?

1986 Chevy Suburban Heat Riser Question?

My 86 Burb has a vac operated heat riser on the pass side exhaust.

My question is without vac is it in the Closed? or Open? position.

Im not going to be using it and I wanted to make sure that if I simply put a vac cap over the vac port of the Heat Riser that it is in the OPEN position and not closed.

Thanks in advance for your response.
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1994 Chevy 2500 2wd Ext Cab 8ft bed
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