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2nd hole by oil filter

Posted By: sstwotimer

2nd hole by oil filter - 09/08/13 01:19 AM

ok people i have no idea why there are 2 holes above the oil filter housing. the 1 has the oil filter sending unit in but what is the other hole above the sending unit for or is the sending unit suppose to be in the top hole? is the 2nd hole suppose to be open or is it suppose to be pluged and does anybody know what size plug goes in which ever hole is not used for the sending unit? thanks for any help on this. would this open hole have any affect on vaccum or how the car runs?
Posted By: pazzo1969

Re: 2nd hole by oil filter - 09/08/13 01:48 AM

Should be the threaded hole for the ball stud for clutch z-bar linkage.
http://www.4speedconversions.com/3866568_1.html
Posted By: sstwotimer

Re: 2nd hole by oil filter - 09/08/13 03:23 AM

engine is a stock 305 with automatic trans, the top hole doesn't go anyplace inside to leak vaccum so it's ok yo leave open?
Posted By: Jameson

Re: 2nd hole by oil filter - 09/08/13 04:09 AM

Originally Posted By: sstwotimer
engine is a stock 305 with automatic trans, the top hole doesn't go anyplace inside to leak vaccum so it's ok yo leave open?


The blocks are still drilled and tapped despite it being a Auto...
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