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he is not talking about a powerstroke, he is talking about an IDI, which comes with a crankcase depression relief valve to keep a slight vacuum on the motor. Unlike powerstrokes, which have superior sealing, the 7.3 and 6.9 motor WILL leak without the valve in place. some Powerstroke owners install a road draft tube , but when it comes to an idi, it is a completely different engine than a powerstroke.
Also IDI's have no intercoolers to collect oil, and only see between high teen boost numbers at the very max if they are even equipped with a turbo so boots slipping are not an issue
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2016 F450 6.7L XLT 4x4Dump, bone stock
1994 F250 7.3L XLT 4x4 ZF5 , Centurion, 4" Lift, 6637, Gulf Coast Bypass Filter, Big fuel tanks, dana 60 swap, No longer dually
1997 F350 7.3L XLT 4x4Dump, E4OD, 4 in exhaust, TS 6 position, 3/8 Trans line+external filter
2013 Scag Turf Tiger 61" 1.1L Caterpillar Diesel
1960 John Deere 440 Backhoe 2-53 detroit
Last edited by ryandamo; 12-28-2010 at 06:57 PM.