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Underbody braces, turbos and more!

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PostPosted: Wed Jul 18, 2007 9:30 am 
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Joined: Wed Sep 29, 2004 4:07 am
Posts: 824
Location: Kildare, IRELAND.
protuner wrote:
a guy near my place ran 293hp at the crank with a stock G16 16v shortbleck and a gti head and some other mods


What are " and some other mods"....Big f*ck off Turbo/Supercharger etc.

The way its written, you make it sound like a fairly standard G13/6B Hybrid NA DOHC making that power which is seriously doubtful.

Care to explain some more?? :wink:


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PostPosted: Fri Jul 20, 2007 8:06 pm 
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Joined: Wed Apr 11, 2007 9:10 pm
Posts: 69
Location: Sydney Australia
It is my firm belief that the G16B engine is strong enough to handle 220bhp or so in stock form... I am currently running 12psi of boost (approx 200bhp) with no issues (apart from a mild / occassionaly slipping clutch) I will once the clutch is replaced try increaseing the boost to 14.5 psi which is the absolute limit that I will go to with the stock head gasket, pistons etc... If it does break or blow I will know I have gone too far.
I strongly believe that 99% of all failures below this boost / power level are due to poor tuning. Too much ignition timing will cause it to break and as the car was neve intended to be turbo you need to be mindful of this. ie. run a bit more fuel and a bit less advance at peak load / boost than you otherwise would / could.
Less advance will put less stress on rods etc... and more fuel will help to keep it cooler and avoid detonation... even though this method will reduce outright power the motor produces it will greatly help it's longevity.


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PostPosted: Tue Aug 07, 2007 10:46 pm 
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Joined: Sat Apr 24, 2004 9:48 am
Posts: 725
Location: Winnipeg
I just had the pan off of the Canadian market 1998 Esteem 1.6 engine that i just bought, and what i found was: a hollow cast crankshaft, no steel straps on the main caps...other than that, it looks very similar to my 1999 G13bb.

Darcy


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