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Need some clarification here..

Old 03-12-2019, 06:18 AM
  #1  
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Join Date: May 2018
Location: Tennessee (TN)
Posts: 9
Car: 87 IrocZ.
Engine: 305 TPI
Transmission: 700R4
Need some clarification here..

Hey guys..ive done a few searches on this but just needed a solid answer as far as deleting the stock oil cooler. Car is a bone stock 87 Iroc 5.0 TPI. Just to clarify, to delete i just undo the cooling lines..pull of the filter..the unscrew the cooler off the block?...question is..when i take it all off..can I then just screw on a new filter back onto the block or do i need to take/use anything off of the cooler to mount the filter? I understand i need to change the bolts to the adapter because the bolts currently in it are longer to keep the cooler from spinning..what size bolt do i need to use to replace them with? just want to run the straight filter but need to know if theres any adapters i need or is it the traditional oil filter thread under all that crap?

second question..ive been getting mixed info on the numbers..but is there a specific filter number for running the "long" filter instead of the stock shorty since i wont be running a cooler and ground clearance shouldnt be an issue? Preferably a wix/napa filter.

Last edited by Chevelle505; 03-12-2019 at 05:38 PM.
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Old 03-14-2019, 09:09 PM
  #2  
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Join Date: May 2018
Location: Tennessee (TN)
Posts: 9
Car: 87 IrocZ.
Engine: 305 TPI
Transmission: 700R4
Re: Need some clarification here..

Guess if nobody here has done this is there a better place to find out??
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Old 03-15-2019, 03:42 PM
  #3  
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Join Date: Oct 2004
Location: Missouri
Posts: 329
Car: 1985 Z28
Engine: 305 LG4
Transmission: T5
Axle/Gears: 3.42
Re: Need some clarification here..

Been a while since I looked at the one on my wife's 1987, but I seem to recall it looked like you could just remove the cooler housing from the block and the filter screws right in like normal. I use a fairly large Mobil 1 filter m1-302a, which I think crosses to a wix 51060.
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Old 03-16-2019, 11:50 AM
  #4  
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Join Date: Oct 2004
Location: Missouri
Posts: 329
Car: 1985 Z28
Engine: 305 LG4
Transmission: T5
Axle/Gears: 3.42
Re: Need some clarification here..

Here is another post in the cooling forum that might help you.

https://www.thirdgen.org/forums/cool...il-cooler.html
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Old 03-19-2019, 10:18 PM
  #5  
Junior Member
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Join Date: May 2018
Location: Tennessee (TN)
Posts: 9
Car: 87 IrocZ.
Engine: 305 TPI
Transmission: 700R4
Re: Need some clarification here..

Thanks guys..got it all done and wow..gained about 20lbs oil pressure..that old piece of junk apparently was clogged. Put on a wix long filter and replaced the oil pressure switch (which was leaking). Just had to change the bolts that held it in place. Good to go!
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