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Found 1 result

  1. Ok, I've been thinking of taking a dive and attempting to break (hopefully not the motor) 300 rwkw+ on a street and occasional track E85 unopened S15 Spec R SR20DET. First of all I understand: Increased risk of blowing the stock head gasket being 17+ years old Piston rings will get hot, hoping E85 will help and street dirven yet spirited style keeps it somewhat cool The S15 6 speed isn't strong, keep in mind I have had the circlip mod done and I will stick with the dual mass flywheel for cushioning with no clutch kicks. Oil will be Lightweight Shockproof. Clutch is an NPC 10" organic handling 320+ rwkw. Hope the stock rocker arms don't shatter The big-ends doesn't soddomise me with it's big-end Yes, I know a forged motor would be a better idea but read on further down Current mods are all the usual bolt-ons and safely reaches 256+ rwkw on E85 currrently on a hot day. What I need to do before attempting the build: Confirm fitment with the low mount 6boost manifold then purchase a GT3071R T25 56t 0.63 A/R turbo Turbosmart external wastegate plumbed before cat Quality Fuel Rail with Bosch 1150cc injectors Turbosmart 1200 FPR (stock FPR won't flow enough) E85 will require larger fuel lines (3/8" I believe),, to be installed. Install Tomei Poncam 256 11.5mm IN / Procam 260 12mm EX Supertech 75lb Valvesprings Aim will be reaching 300+ rwkw @ 18 - 18.5 PSI on E85. Anything else I need to consider or that I've missed, please fill me in. Why? - I love to get more power as always but also to prove reliability for a street driven SR20, obviously if I was on a track I would drop the boost down to say 15 PSI as it would just be a risk in my opinion at such high temps. This will be before going down the VET path, I'm still a couple of years off from that. I still want it to be responsive as I'm currently running the GTX2863R 0.63 A/R turbo with GReddy Easy step 1 cams (256, 10.5mm IN EX), yet full boost is still at 4000 RPM...I think the 3071R will still feel as powerful down low as well but much more fun at mid and top range. Let me know any concerns or factors which I need to consider please, I'm not attempting to become another "Red Dragon" example but I would like to know what I need to do before having to change pistons, rings, etc as E85 can keep the engine temps down and provide more power at the same time. Cheers.