h67st Posted April 29, 2008 Share Posted April 29, 2008 Howdy! Is there anything wrong with putting a spin-on fuel filter base on my 673? I notice there's a bypass line from the canister filter housing to the return line. Is this necessary if I install a spin-on? Thanks very much for your help! Quote Link to comment Share on other sites More sharing options...
HK Trucking Posted April 29, 2008 Share Posted April 29, 2008 Find a spin on filter base from an early DM or R model with a 673, 675, 711 engine, those had the bleeder line fitting on them and can be hooked up just like your current setup.That way you can also run a Mack OEM filter too, and it'll look like that filter belongs there. Quote "If You Can't Shift It Smoothly, You Shouldn't Be Driving It" Link to comment Share on other sites More sharing options...
Freightrain Posted April 29, 2008 Share Posted April 29, 2008 On my B, I put a spin on base back behind the drivers tank(right by fittings) and plumbed it in. Even put separator style filter on it to get rid of water. I left the stock unit on motor. Since I put on dual exhaust it really hides it so it's not even noticable, plus I have my big generator box there too. Quote Larry 1959 B61 Liv'n Large...................... Charter member of the "MACK PACK" Link to comment Share on other sites More sharing options...
95k1500 Posted April 29, 2008 Share Posted April 29, 2008 I used a mack base like HK suggested, had the bleeder and everything. A real easy "bolt on". Works well and again mack parts. Found my base on ebay for about $10 I have a picture in my restoration gallery, you can kind of see it.Dave Quote Link to comment Share on other sites More sharing options...
h67st Posted May 5, 2008 Author Share Posted May 5, 2008 I notice you call that extra line a "bleeder line"...is it necessary? I have a standard spin-on base; can I replace the canister type filter with this base? Quote Link to comment Share on other sites More sharing options...
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