Quote:
Originally Posted by Travis14
Those with relaible RB25's they track, did you add baffles to the oil pan to keep from starving the motor when taking a lot of g's or is it all solved by the restrictors and drain on the back of the head? Im tracking a built RB that was built by a shop that claims to have taken care of the head oil pooling problem. The only reason I know its starving under turns is after my first event my motor was tapping loudly for ten minutes or so before calming down. I would think if the head is filling with oil it wouldnt be the lifters tapping.... To answer the original post my S14/RB25DET with 400whp is quicker than my 11' GT in every way except off the line and I believe that is just because it is harder to launch with my massive Turbo. Build the 240 to race and beat on and keep your GT to smack people down on the street until your warranty is up and you are willing to tear it up... Weird the post sounds like something I would have written 6 months ago given the fact I have an 11' GT and was looking at this 240 as my track car.haha
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Umm, the whole oil pooling in the head is a fucking myth.
Read this article by MJR...
The SkyLife - Modified and Exotic Car News Community, Tutorials, Build Stories and How To guides.: RB26 Engine Assembly rebuild How to - RB26DETT Motor
I've personally met this guy and he knows his shit. Fucker's been building RBs since they came out. The whole head drain mod isnt for oil drain. He did the mod to relieve crank case pressure and blow by for over 1k hp engines. Guys in Australia saw the mod and basically figured its to keep oil from pooling in the back of the head. Read his explanation and he'll pretty much explain why its a myth.