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GT35R on a standard 2.5
Has anyone done this?
Would it make 500bhp @ 1.5 bar boost? |
Im not talking about track work or anything just road use so 90% off boost but having the power there for a rip every now or again.
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you would have to be bloody brave!
350 tops i'd say...others may differ in opinion. You have to remember its a power vs reliability game... |
BANG!!!!!!!
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1.3 bar boost max on a standard EJ257 bottom end
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I think the standard pistons are not supposed to be great. Def wouldnt want to take them to 500bhp!
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most say 400 is the ceiling some have pushed them to up and around 450. how long is a peice of string?? I wouldn't want to drive something knowing that any minute it can let go
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Chuck some "drop in" forged pistons in in and see how it goes. I think it would cope.
Stock pistons will be the downfall, everything else would probably be okay. For a while anyway :D |
dont do it
even a well built 2.5 wont live with 2 bar boost even now and then trust me iv tried |
i think the op wants to run 1.5 bar but yes not advisable.
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OEM ECU won't run 2Bar anyways
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Originally Posted by B0DSKI
(Post 9680869)
OEM ECU won't run 2Bar anyways
My advice is just do it. P.S. I am running 1.8-1.9bar with my 60-1 turbo and 2.0L stock block. (Engine has done 200 000 kilometres (124000 Miles) so far..) |
With E85 it can be possible but its a big risk to take.
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Originally Posted by STUNE
(Post 9681489)
OEM ECU will run as many bar as you like. You can always change your map sensor. I have always done my own car mapping and lots of other cars too.
My advice is just do it. P.S. I am running 1.8-1.9bar with my 60-1 turbo and 2.0L stock block. (Engine has done 200 000 kilometres (124000 Miles) so far..) |
Seems no has done it, gonna head over to the yank forums see if anyone on there runs 1 as they love bolting big turbos onto stock engines lol
If i keep it at 1.5 bar and change from a gt30 to a gt35 how much power increase will i get currently at 450. thanks. |
Originally Posted by StudentScooby
(Post 9681560)
Seems no has done it, gonna head over to the yank forums see if anyone on there runs 1 as they love bolting big turbos onto stock engines lol
If i keep it at 1.5 bar and change from a gt30 to a gt35 how much power increase will i get currently at 450. thanks. |
Heaps of US guys chuck 35s on stock motors, but then they dont care about lag or running an over size turbo for the power required.
Stock block with a 35r capped at 1.5bar and on a very conservative tune i think you would probably be alright... For a while :D |
im in the US now, and after speaking to a few people here, they just about touch 350 bhp with a gt30 - as the octane levels are really low.
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Originally Posted by typeRv4
(Post 9682051)
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Originally Posted by Aladdin
(Post 9681519)
Which car is your 2.0l stock block from?
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I'm "accidentally" running 2 bar on my 2.0 STI with a GT3076... It's enough.
A 2.5 may be able to spool a bigger turbo quite well, but why if you can't use it where it's performance is better, I.E. High boost at high revs. IMHO dunx |
i'm going to be running an md321v on standard engine after christmas, before my 2.1 comes, lets see how long it lasts :D
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yank tunign and uk tunign is totaly different. they just throw big turbos and hope it will hold. Also there claimed figures arn't the same as ours.
as far as 500 on the stock motor, thats what vettle had in his car in korea,,,, ;) lol |
boys, boys, boys. 500 genuine hp on stock 2.5 internals. you are all having a laugh. bottom end will last about 5 minutes ffs.
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I just love these big power bragging threads :D.
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Originally Posted by Aladdin
(Post 9682433)
I just love these big power bragging threads :D.
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^ :lol1:
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Originally Posted by bigsinky
(Post 9682457)
well just you remember my cock is always bigger than yours. ;)
yeah but mines heavier,,,,,, :hjtwofing:hjtwofing :lol1::lol1::lol1::lol1: |
1.5 bar on a gt35r and a 2.5ltr block will be more than 500bhp. I know dazdavies did this for a short while and had his running at 450bhp but it wasn't great for the engine.
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