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Old 12-08-2011, 09:06 PM   #11 (permalink)
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Default The information is out there....

Well, I Found the information I was looking for on other forums. Seems the kind of HP upgrades I'm after are no big deal and If I keep my RPMs down in the 6k range, there's no need to upgrade to a forged bottom end. Plenty of examples of engines out there pulling more than 100HP out of the 1.3 cast parts.
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Old 12-08-2011, 10:37 PM   #12 (permalink)
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Quote:
Originally Posted by Azelgin View Post
Well, I Found the information I was looking for on other forums. Seems the kind of HP upgrades I'm after are no big deal and If I keep my RPMs down in the 6k range, there's no need to upgrade to a forged bottom end. Plenty of examples of engines out there pulling more than 100HP out of the 1.3 cast parts.
You can make 100hp on the stock cast bottom end, but your going to twist the keyway, if something else doesnt give way before.

Iv been around these engines for a long time...
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Old 12-09-2011, 06:28 AM   #13 (permalink)
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Originally Posted by 915SAMURAI View Post
You can make 100hp on the stock cast bottom end, but your going to twist the keyway, if something else doesnt give way before.

Iv been around these engines for a long time...
In that case, you should know that the "twist(ing) the keyway" is in no way related to the power being produced.

All the key does is locate the crankshaft timing pulley, and the problem you're referring to is caused by someone failing to tighten the bolt to spec, so that it comes loose.
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Old 12-09-2011, 07:21 AM   #14 (permalink)
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Quote:
Originally Posted by Azelgin View Post
Well, I Found the information I was looking for on other forums. Seems the kind of HP upgrades I'm after are no big deal and If I keep my RPMs down in the 6k range, there's no need to upgrade to a forged bottom end. Plenty of examples of engines out there pulling more than 100HP out of the 1.3 cast parts.
I have read about these engines going over 200 hp with the right parts.


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Originally Posted by fordem View Post
In that case, you should know that the "twist(ing) the keyway" is in no way related to the power being produced.

All the key does is locate the crankshaft timing pulley, and the problem you're referring to is caused by someone failing to tighten the bolt to spec, so that it comes loose.
It is possible to "shear" a key in a shaft though I doubt it is likely with this engine at 100 HP assuming it was on a loaded out put shaft . Which this engine does not have
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Old 12-09-2011, 09:17 AM   #15 (permalink)
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show me an example of a g13b with stock bottom end, non forced induction motor making over 100....

YEah foredom.... thats what u think becuase you havnt ever made any power over stock out of these weak lil 1.3's.

Last edited by fordem; 12-09-2011 at 04:18 PM. Reason: Expletive deleted.
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Old 12-09-2011, 10:12 AM   #16 (permalink)
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1.6 16 valve engine = 95 ph

2.0 dohc engine = 127 hp

you really think there is any possible way to get 200 naturally aspirated hp out of a 1.3 8 valve sohc motor???? I need some of what ever ya'll are smoking,,, send me some!!!
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Old 12-09-2011, 10:13 AM   #17 (permalink)
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Originally Posted by ebattleon View Post
I have read about these engines going over 200 hp with the right parts.




It is possible to "shear" a key in a shaft though I doubt it is likely with this engine at 100 HP assuming it was on a loaded out put shaft . Which this engine does not have
that nearly a 400% power increase!!!
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Old 12-09-2011, 04:04 PM   #18 (permalink)
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Originally Posted by 915SAMURAI View Post
show me an example of a g13b with stock bottom end, non forced induction motor making over 100....
Did I say somewhere that these examples were naturally aspirated? No, I did not. A couple were running Eaton superchargers and some on turbos. Most failures were head gasket related, long before bottom end weakness became a concern. As far as 200 HP, My math comes up with about a 300 percent increase, starting with a stock HP of 67.
I have no doubt that 200 HP is possible, with the "right parts" and $$deeeep$$ pockets. As far as shearing a keyway, I'll have to agree with Fordem. All you are driving with the front crank gear is the cam, water pump, fan and alternator (and maybe A/C, PS). Those loads don't change with HP, only with RPM. If you decide to run your rpms into the 5 digit range, you should undersize the drive pully anyway, so you don't overdrive the accessories

What else you got?

Last edited by fordem; 12-09-2011 at 04:46 PM. Reason: Expletive deleted
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Old 12-09-2011, 04:43 PM   #19 (permalink)
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Quote:
Originally Posted by 915SAMURAI View Post
show me an example of a g13b with stock bottom end, non forced induction motor making over 100....
Be careful what you ask for - and note - you're the one who specified a g13b with a stock bottom end and non forced induction ...

The G13B in stock form installed in a Swift GTi delivers 100hp, and in the JDM Cultus, it's 113hp - and so you understand me, I'm talking off the show room floor stock vehicles here - in the right hands you can get another 30~40 more ponies without resorting to forced induction.

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YEah foredom.... thats what u think becuase you havnt ever made any power over stock out of these weak lil 1.3's.
And you'd be wrong there too - I've been playing with the G13's for the last fifteen years or so - it's fun to see the look on someone's face when they realise their Starlet GT Turbo has been trounced by a naturally aspirated 8v carburetted Swift.

All the key does is locate the crank pulley - what the crank pulley does is drive the timing belt, and the engine ancillaries - water pump, alternator and if you have them powersteering and air conditioning - none of which take a significant degree of power - what causes the problem is allowing the bolt to run slack, which allows "fretting" to occur.

It does not matter how much power the engine is making, the key sees none of it.
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Old 12-10-2011, 09:12 PM   #20 (permalink)
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Default Fuel pump line

Hi,
I am new to the forum and need help.

I have replaced the head on my Suzuki Sierra g13b motor. I cannot work out where the fuel line from the fuel pump to the carburetor goes. I am very novice to this. My brother (mechanic) has been helping me but I want to continue on. I don't think he knows where it goes either.

Any help is appreciated.

Thank you

Dan
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