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Underbody braces, turbos and more!

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PostPosted: Wed Nov 25, 2009 3:05 pm 
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Joined: Thu Apr 17, 2008 2:22 am
Posts: 145
Location: Zagreb, Croatia
As this is my favourite forum on teamswift, I'm going to open another annoying thread... =)


OK, so here's my car's setup...:

- G16A bottom end + P&P GTi head (I think it's also a little bit lowered)
- GTi tranny
- lightened and balanced flywheel (I think the crank is also lightened and balanced but I'm not sure)
- bigger injectors (I dunno from where they are, owner before me bought them)
- Webber fuel pressure regulator
- Retarded ignition timing
- remaped ECU
- K&N air filter in stock airbox

...And I think that's pretty much it... I bought this car with everything what's written above...
It needs to be refreshed as this conversion lives almost 4 years now and didn't had any serious problems. (problems I had were like broken clutch cable or so :) )

So, the "stock" 1.6 conversion provides around 120-125 HP... (as people here are saying)
Let's say that with this setup above (mine) I have 130 + - HP (roughly)... (I never dinoed it because car cannot climb onto the rollers as it is floored down to the road) :mrgreen:

I'd like to suck a little bit more HP but still, not to empty my wallet... =) And yet, to preserve driveability as this is my every day driving car...
I think some "monster" cams, solid lifters and those pricey things are excluded as they are used for racing and for now, I'm still not going to race... Not yet... :)

Besides things I wrote above (setup I have), which would be the cheapest way to get some more HP (let's say 10 hp max) as I'm not going to "waste" money on "stupid" car...? :roll:


I'd like to make this somekind of "chat topic" and not just to get few posts and then throw away this thread.
Every advice/suggestion/answer is welcome...
Cheers!

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PostPosted: Wed Nov 25, 2009 11:31 pm 
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Joined: Mon Nov 12, 2007 1:00 am
Posts: 660
Location: Lakeland , Florida
Bigger throttle body and ported intake manifold. A 4-2-1 header as the 4-1 are many for high rpm only. Maybe a 2inch exhaust with a little more free flowing muffler. Underdrive pully. And then main thing would be to get it on a dyno so you could add more timming and to use your fpr to get a good afr. The afr is going to be where you would pick up the most power most likely if you are running rich. Thanks Stephen


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PostPosted: Thu Nov 26, 2009 7:11 am 
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Joined: Sat Jun 03, 2006 11:54 pm
Posts: 658
Location: Illinois
Advance timing till you ping, then back it off some. (1-2 degrees, or until quiet under load)

Underdrive pullies?

Install an AFR gauge, and tune it back to normal in that RPM range.

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PostPosted: Sat Nov 28, 2009 11:15 am 
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Joined: Fri Jun 18, 2004 8:10 pm
Posts: 105
Location: Quilmes
a set of cam gears might help to tune it up.
a nissan tb , I think, will give you a good improvement


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PostPosted: Sat Nov 28, 2009 11:34 am 
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Joined: Sun Feb 23, 2003 4:16 am
Posts: 7689
Location: Ontario, Canada
50-52 mm throttle body, headers, free flowing exhaust, and mild performance cams with your stock hydraulic lifters.

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PostPosted: Sun Nov 29, 2009 8:15 pm 
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Joined: Thu Apr 17, 2008 2:22 am
Posts: 145
Location: Zagreb, Croatia
If I'd get Nissan TB, does it include changing the MAF sensor?
btw, this is kind a hard thing to get... Or is it not...?
Also, someone mentioned intake manifold porting... Can it be done with DIY method? :)

When talking about the exhaust, @Supfr1y...:
What do you suggest? Maybe to get 4 -1 headers (as it needs more power on higher rpms) and make exhaust fully open....?

And the cams...
I know that Suprf1y makes them and that there will be no argument about which one to choose as I'm not quite familiar with this things... :)
You say som mild would be great for me...? Can you give me some specs on which sizes are you aiming...? :P

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PostPosted: Sun Nov 29, 2009 9:44 pm 
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Location: Ontario, Canada
4-1, or 4-2-1, either will be fine, with a 2" free flowing exhaust

200/335 intake grind, with 210/340 on the exhaust. This will work very well in the low to midrange.
210/340 int, with 215/340 exh if you want more upper midrange power, and RPM.
Duration at .050"/lift in inches.

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