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Originally Posted by nightwalker
RB25 would be bad ass for wangan. But otherwise, just SR. I don't see why people are doing the RB20. I have to aske those crazy Japanese guys why they keep swapping their RB20s for SRs. Stupid Japanese people.  |
rb25det is hype, rb26 is not. If i had to trade my sr20det for any engine it would be an rb26dett and only if my goal was strickly for wangan. I however enjoy drag racing as well and adding the extra 2 cylinders would knock me into outlaw which i would not be able to compete in. I do wangan with the sr20det works great, nice center of gravity...just right i think.
To all of those who think the rb20 or rb25 is the best engine to put in an sr20det , have you ever done wieght comparisons? full engine tear downs, piston and rod balnce, wieght and specification tests and checks? Have you raced both in all arenas of racing? and done real bare Knuckle comparisons? I have had eperience with both. I prefer sr20det for the novic and intermdiate driver and in my opinion the rb20 is not worth the trouble, the rb25det is good for sub 450whp levels and the rb26 is the best option but only for advanced driver or intermdiate who plans mostly wangan or top speed racing...
this is my opinion based purly on first hand experience with all of the above stated engines...
The h22 is nice but how many competitive honda drag racers and road racers are swapping out their b20 vtec and b18s for them? Not many, same in japan the sr20det is more favored for everything in s chasis. Just my opinion. All excellent power plants and power making platforms tho...saying that the rb has more potential for power is completly unfounded, im waiting for ngr performance in florida to get some ACTUAL dyno numbers down for the stock internal rb25. The rb26 yes is superior in everyway to sr, but rb25 is different, not as strong internally, i have seen both engines inside. Not the same, similar but not the same. The sr20det has been proven in the united states first hand to be capable of 600whp on stock bottom end for extended periods of time, i have pushed over 350whp on stock head gasket for more than a year at a time before...and raced on them every week...There needs to be more HARD proof from reputable tuners. I do have an rb26dett powered s12 in the works for wangan and drag in the near future the rb26 enegin in king the head design is also far superior to the rb25 and rb20 depending on model.
Another note on rb25det i saw in the "drift" auto magazine passed out at d1 the one with "d man" on the back an article with mark slide squads s13 coupe wiht rb25det, it said he has 400hp? is this a dyno number? has the car ever even been dynoed? this is the kind of irresposible reporting i expect from these kind of editorials by members of motorex but i mean this is completley unfounded. Is this a flywheel guestimate? be wary of the hype out there guys its thick like a cloud of mustard gas and i feel myself gagging everyday...