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I have had zero heating or oiling issues with my RB25 and it has seen tons of track time here in japan over four years only recently needing to change bearing due to a cracked oil return line mildly spinning one. Prior to that just did some preventive maintenance changing the timing belt and water pump. If you have not already, You should have upgraded your spring rates in the front to counter balance the weight difference. Yes the RB25 had a shorter crank oiling snout contact patch ( easily fixed with raw brokerage crank collar) but that never lead to any issue with my engine. Keep rpms decent and you will have no issues with the oil drive breaking for all the RBs with short snouts. Currently have a RB26 in my S13 and feels no different than the SR. Suspension tuning is vital along with cooling mods before upgrading power. Never needed the draining mod as the RB25 head already has a drain. The drain mod is useful to those who are really running the kind of boost. if you are over oiling that much you are probably running to much boost for that setup. Mine makes 433chp/383whp currently and doesn't over oil even when I run the normal 1 qt over for drifting.
Last edited by Biggamehit; 02-19-2013 at 07:08 PM..
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