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  #1  
Old 13-02-2013, 11:33 PM
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Default Max bhp standard version 7
Hi,

I have a jdm version 7 bottom end in my classic and was wondering what is the safest max bhp i can run on standard internals ??
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Old 14-02-2013, 06:43 AM
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STI or WRX?
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Custom exhaust - Cosworth filter - Samco Intake - Tints - Bilstein B8/B6 & STI springs - SuperPro ALK - Whiteline positive shift kit, rack mounts, rear adjustable camber bushes, front ARB mounts & strut brace, 20mm rear ARB with AVO mounts, - Hardrace Gearbox and pitch mounts - Prodrive PFF7's - Front Brembos - Kenwood CarPlay - 1/2 carbon grille - STI front splitter
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Old 14-02-2013, 07:53 AM
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Sorry it's and sti
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Old 14-02-2013, 07:56 AM
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Quote:
Originally Posted by Type-r-russ View Post
Hi,

I have a jdm version 7 bottom end in my classic and was wondering what is the safest max bhp i can run on standard internals ??
Safest would be standard power or less
Wrx good for 400 ish
Sti 500 ish
You mapp a car to get the most , when you get the most safest goes out the window !
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Old 14-02-2013, 08:44 AM
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Originally Posted by C. J. View Post
Safest would be standard power or less
Wrx good for 400 ish
Sti 500 ish
You mapp a car to get the most , when you get the most safest goes out the window !
Lol well you no what I mean max bhp without over stressing the engine
So 360 would be ok ?
Last edited by Type-r-russ; 14-02-2013 at 08:48 AM.
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Old 14-02-2013, 08:57 AM
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360 should be fine on an STI lump, the failure level increases as you up the power and depends on the quality of the mapping, my engine let go at 370bhp but this was probably due to poor fuel and/or oil starvation due to not having a baffled sump.
350 starts testing the limits of the gearbox though!
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2005 Spec B 6MT - KiDO tuned (~270Bhp)
Custom exhaust - Cosworth filter - Samco Intake - Tints - Bilstein B8/B6 & STI springs - SuperPro ALK - Whiteline positive shift kit, rack mounts, rear adjustable camber bushes, front ARB mounts & strut brace, 20mm rear ARB with AVO mounts, - Hardrace Gearbox and pitch mounts - Prodrive PFF7's - Front Brembos - Kenwood CarPlay - 1/2 carbon grille - STI front splitter
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Old 14-02-2013, 09:08 AM
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Yeah gearboxes aren't the best iv heard.

I do have a sump baffle fitted and a modified 11mm oil pump.
Is your sti,
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Old 14-02-2013, 09:13 AM
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Originally Posted by BlueBugEye View Post
360 should be fine on an STI lump, the failure level increases as you up the power and depends on the quality of the mapping, my engine let go at 370bhp but this was probably due to poor fuel and/or oil starvation due to not having a baffled sump.
350 starts testing the limits of the gearbox though!
think it was more likely you ragging it on the autobarn delimited bits , imprerza's dont like sustained high revs
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Old 14-02-2013, 09:25 AM
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What's a good temp for the oil to get to before you can put your foot down ?
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Old 14-02-2013, 09:44 AM
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depends on oil
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  #11  
Old 14-02-2013, 09:46 AM
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15-50 pro r silkoline
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  #12  
Old 14-02-2013, 10:53 AM
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I'm over cautious and don't open up fully until at at least 70, usually wait until 80 if I can. I think 60 or so is safe.
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2005 Spec B 6MT - KiDO tuned (~270Bhp)
Custom exhaust - Cosworth filter - Samco Intake - Tints - Bilstein B8/B6 & STI springs - SuperPro ALK - Whiteline positive shift kit, rack mounts, rear adjustable camber bushes, front ARB mounts & strut brace, 20mm rear ARB with AVO mounts, - Hardrace Gearbox and pitch mounts - Prodrive PFF7's - Front Brembos - Kenwood CarPlay - 1/2 carbon grille - STI front splitter
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  #13  
Old 14-02-2013, 11:02 AM
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I no what you mean im over cautious is well best to be safe than sorry.
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  #14  
Old 14-02-2013, 11:44 AM
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Is it worth me fitting an oil cooler ??
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  #15  
Old 14-02-2013, 01:57 PM
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I run one as do most with highly modded cars especially if on track at all.
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2005 Spec B 6MT - KiDO tuned (~270Bhp)
Custom exhaust - Cosworth filter - Samco Intake - Tints - Bilstein B8/B6 & STI springs - SuperPro ALK - Whiteline positive shift kit, rack mounts, rear adjustable camber bushes, front ARB mounts & strut brace, 20mm rear ARB with AVO mounts, - Hardrace Gearbox and pitch mounts - Prodrive PFF7's - Front Brembos - Kenwood CarPlay - 1/2 carbon grille - STI front splitter
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