32fire2...you didn't mention if your engine was a stock 235, had been modified for full-flow filtering or a 261. If by chance it is a stock 235 you will need to stick with the small stock inside diameter lines that match your manifold mounted bypass lines. If it is a modified 235 for full flow you'll need to use 1/2" lines that adapt down to the 3/8NPT fittings on the modified block. On the 261 the full-flow fittings are 1/2".
In a bypass (stock) setup, using a larger line than the stock line to your remotely located filter will result in loss of pressure to your bearings. On a modified full-flow 235 using too small a line will restrict flow to the filter with the same results. Incidently, on a modified 235, the pressure feed port is reversed from the bypass filter. The front port becomes the pressure feed and the rear port becomes the return to the bearings. If you are interested, I have pictures of my adventures in plumbing in a remotely located full-flow filter on my modified 235 in my Webshots album "Tips and Tricks." BTW...I have 3500 miles on my rebuilt engine with great oil pressure and oil temp that stays at 180 degrees...same as thermostat rating.
You need to make sure that your remote filter mount uses a 3/4X16 center so that you can run a filter with a built-in check valve. Such as a Purolator PL30001.
Dave
Last edited by Fla54Chevy3100; 02/07/2008 6:58 PM.
