RKLamb123 Posted November 13, 2009 Share Posted November 13, 2009 So with a big oil pan and more oil will that prevent that problem I heard about with RBs once they get to a certain horsepower. I heard that RB25 usually throw a rod around 500 and Rb26 around 600 with stock internals. Or is that a some type of tuning issue and not associated with the amount of oil flowing around the engine. Quote Link to comment Share on other sites More sharing options...
pat1 Posted November 14, 2009 Share Posted November 14, 2009 So with a big oil pan and more oil will that prevent that problem I heard about with RBs once they get to a certain horsepower. I heard that RB25 usually throw a rod around 500 and Rb26 around 600 with stock internals. Or is that a some type of tuning issue and not associated with the amount of oil flowing around the engine. I don't know about the fact that more oil will pervent the engine blowing up at high hp but I think with more oil in the pan will pervent the oil starvation problem. Here are some pics of the progress I did tonight Quote Link to comment Share on other sites More sharing options...
RKLamb123 Posted November 14, 2009 Share Posted November 14, 2009 Wow that is a very nice job. I can tell you now you will be getting a lot of business after this. That is one hot and professionally done looking pan. I am glad I found you that day instead of hacking up the pan I had. Very nice. Man I wish I could weld. Quote Link to comment Share on other sites More sharing options...
RKLamb123 Posted November 14, 2009 Share Posted November 14, 2009 Now I read somewhere about a breather being in the oil pan. Does the stock pan have breathers on it. I know where they are on a VG I have no idea where they are on a RB. Just wondering I thought that your pcv works as a breather well at least on a VG. I have seen pics of oil pans with breather valve installed in them. Is that necessary. Quote Link to comment Share on other sites More sharing options...
WizardBlack Posted November 14, 2009 Share Posted November 14, 2009 So with a big oil pan and more oil will that prevent that problem I heard about with RBs once they get to a certain horsepower. I heard that RB25 usually throw a rod around 500 and Rb26 around 600 with stock internals. Or is that a some type of tuning issue and not associated with the amount of oil flowing around the engine. The oil pump design isn't the best, either. Power limits are definitely affected by tuning. The further you go, the narrower your margin is going to be. At a certain point, it's just a matter of time. Most engines don't have concrete and very precise information on this. There are merely examples of when one blew or one that's able to put some numbers down on a dyno and still stay together (for some period of time). Beyond that, it's mostly a crapshoot. Quote Link to comment Share on other sites More sharing options...
RKLamb123 Posted November 15, 2009 Share Posted November 15, 2009 So how safe would I be if I only want about 450Hp and what mods do I need to get me there. Whats the most I can expect with 550 injector, nistune ecu, fmic, and running about 12 psi on a stock turbo. Quote Link to comment Share on other sites More sharing options...
RKLamb123 Posted November 15, 2009 Share Posted November 15, 2009 My friends say there is no way I can get 350 on RB25 without changing the injectors and turbo. But I have seen some people post around 370 with stock turbo and injector. Quote Link to comment Share on other sites More sharing options...
RKLamb123 Posted November 15, 2009 Share Posted November 15, 2009 Well the pan looks great especially considering it want cost a 1000 dollars. Lol. And it should be way better than stock. Quote Link to comment Share on other sites More sharing options...
WizardBlack Posted November 15, 2009 Share Posted November 15, 2009 My friends say there is no way I can get 350 on RB25 without changing the injectors and turbo. But I have seen some people post around 370 with stock turbo and injector. IIRC, the injectors are 370 cc. Oil pan requirements depend on what you want to do with the car. Road racing is probably the hardest on pan requirements. Check the Aussie forums for whp capabilities. Quote Link to comment Share on other sites More sharing options...
WizardBlack Posted November 15, 2009 Share Posted November 15, 2009 So how safe would I be if I only want about 450Hp and what mods do I need to get me there. Whats the most I can expect with 550 injector, nistune ecu, fmic, and running about 12 psi on a stock turbo. You need an upgraded turbo. You are way low on both available boost and flow of the boost you are getting by sticking with the stock turbo. Look at a Holset, etc. The holsets with a v-band outlet are probably easier to fab a downpipe for, anyways. Quote Link to comment Share on other sites More sharing options...
RKLamb123 Posted November 16, 2009 Share Posted November 16, 2009 I will check into those. Yeah some of those Ausi are the ones claiming 350+ on all stock components. Hard to believe. But I have seen some on here claiming very high numbers too. So I dont know. Quote Link to comment Share on other sites More sharing options...
pat1 Posted November 16, 2009 Share Posted November 16, 2009 I'm 98.7% done here are some pics Quote Link to comment Share on other sites More sharing options...
RKLamb123 Posted November 16, 2009 Share Posted November 16, 2009 Well I guess I dont have too paint it now. Lol Quote Link to comment Share on other sites More sharing options...
pat1 Posted November 16, 2009 Share Posted November 16, 2009 Well I guess I dont have too paint it now. Lol I didn't want it to start rusting. This pan was kicking my but last night. I don't know what it was, but it's almost done I just need to put the drain plug and the windage tray and it's done Quote Link to comment Share on other sites More sharing options...
motoman Posted November 19, 2009 Author Share Posted November 19, 2009 wow that pan came out really well. Can wait to get mine done, once i get i haha. Quote Link to comment Share on other sites More sharing options...
pat1 Posted November 20, 2009 Share Posted November 20, 2009 Thanks Motoman, let me know when your ready for one. Quote Link to comment Share on other sites More sharing options...
Ricky Ricer Posted November 20, 2009 Share Posted November 20, 2009 What about doing a custom oil pick up for an RB26 with Rb20 pan? Quote Link to comment Share on other sites More sharing options...
pat1 Posted November 22, 2009 Share Posted November 22, 2009 What about doing a custom oil pick up for an RB26 with Rb20 pan? no problem but the rb20 pan also has to be modified Quote Link to comment Share on other sites More sharing options...
stony Posted November 22, 2009 Share Posted November 22, 2009 Here is my rb20 pan for an rb26 had to beat out the area around the block pickup modified pickup... basically used some of the rb20, rb25 and rb26 pickup to make this one. One of the advantages of being in japan when doing this is there are scrap motors all over the place that you can get stuff like this really cheap. Front part of the pan had to be moved around a bit. This one hole i had to use a allen head bolt a standard 10mm bolt would not fit. Quote Link to comment Share on other sites More sharing options...
RKLamb123 Posted November 24, 2009 Share Posted November 24, 2009 So do you have any final pics for all those looking to get one later. I have had 5 people asking me about that 200zr pan I had and I directed them to come on here and check out your work. Quote Link to comment Share on other sites More sharing options...
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