Originally Posted by Vinny So in that case, I could potentially keep the same fuel system, and just replace pistons/connecting rods? I was told by another member that head studs
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05-15-2011, 11:22 AM | #16 (permalink) | |
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No because the fuel system that comes with the stage 2, is maxed out around 580-600. You need larger injectors at the least to hit 15psi. And even if you do hit 15psi, your then maxing out the stage 2 turbos. Best practices would be not to max out any of your components.
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05-15-2011, 12:52 PM | #18 (permalink) | |
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Here is a G37 with stage 2 turbos, 3" down pipes with external WG's and 3" exhaust. Check out the link below. He is making 611whp on 100 oct fuel. My bet would be that you could get 650whp out of the stage 2 turbos, you would really be working the turbos hard at this point though. GT Motorsports: GTM Stage 2 TT G37 Coupe, GTM 3" Cat-Back, GTM Flash, 611RWHP/474RWTQ
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ll Baker Tuning ll GTM ll Powerhouse Amuse ll HKS ll Up-Rev ll iForged ll AP Racing ll Pioneer ll SPL ll Bride ll Top Secret ll OS Giken ll GTM Stage 2 Twin Turboed 370z (First in Texas, Thanks To Baker Tuning) Last edited by JB-370z; 05-15-2011 at 12:58 PM. |
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05-15-2011, 01:23 PM | #19 (permalink) |
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Sorry for all the questions, just a bit confused. Since I shouldn't max out any of the components, and both the turbos and fuel system max out at around 600, they should both be changed before reaching for 600, correct?
Last edited by Vinny; 05-15-2011 at 01:25 PM. |
05-15-2011, 01:41 PM | #20 (permalink) |
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I dont think you need to change any of those items for 600hp (depending of the brand of dyno , ofcourse), but to keep things reliable, you cant keep maxing out the potential of the turbos. But for sure the stock pistons cant take that cylinder pressure @ 12+ psi.
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05-15-2011, 04:26 PM | #22 (permalink) | |
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05-15-2011, 04:29 PM | #23 (permalink) |
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So once the pistons/rods are changed, i can up the boost to 13-14 psi to reach for 600whp on my high boost setting, correct?
Also, would it be a good idea to change my head gaskets while I'm at it? |
05-15-2011, 07:20 PM | #24 (permalink) |
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You have to change them to replace the piston/rod but i would use factory nissan head gasket. They MLS which can take quite a beating.
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05-15-2011, 07:38 PM | #26 (permalink) |
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If you haven't bought anything yet , the walbro 255 should be fine, but most go with deutsche works 600cc, but i would get a little bigger than those just tuning become a little difficult .
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05-15-2011, 07:52 PM | #28 (permalink) |
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speak with sam, when you go to order your short block. I do think you need more injector with what your trying to do.
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05-16-2011, 01:30 AM | #30 (permalink) |
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This is becoming a very popular question, I'm putting a list together that will benefit a lot of guys that are twin turbod and looking to take it to the next level.
I will put some info together and post it here . Sam Last edited by SAM@GTM; 05-16-2011 at 05:01 AM. |
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