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Underbody braces, turbos and more!

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PostPosted: Mon Aug 30, 2010 8:45 am 
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sorry no vid. i did have it dyno'd and the numbers are way off. it put down 342whp.

it was a new L&S dyno. the owner is sending my runs over there and i should have the REAL numbers some time today. car was the hit at the shop. 3 pulls the last pull we did in 4th and we got it down to about 170hp. i am awaiting the true number my swift brothers!! i had a blast seeing my beast up on the rollers.

before he started he asked me where the traction control switch was..lol. he was a funny dude.

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2001 suzuki swift GA. gutted,srd headers,straight piped,SRI,50mm tb,ported intake manifold,coolant bypass,3tech cam.
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PostPosted: Tue Sep 07, 2010 9:14 am 
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OK! so i went back and had the swift re-dyno'd. with all my mods it put down 77hp to the wheels and 61tq. the torque curve is near perfect right from 2000rpm right till the fuel cut its at 60ftlbs. air/fuel is right where it should be( i think ) 15 or so at first but comes down to around 13.2 @redline. i was wishing for more, but am happy with the numbers. also the power just kept going, never fell flat. theres more room for improvement. i wonder what it would have done stock?


anywho, does anyone know how much i could take off the head? i might be going that route at some point. and does anyone make solid lifter for these?

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PostPosted: Tue Sep 07, 2010 10:09 am 
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Didn't you put the cam in, and set the lash?

There are no lifters.

Use GT pistons for 10.6-1, shave a little off for 11-1. I can figure out how much when you're ready.

That's not bad power. I bet you're up 20 hp over stock. I think I would try a 45 mm tb over the 50.

What filter set up are you using?

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PostPosted: Tue Sep 07, 2010 12:16 pm 
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suprf1y wrote:
Didn't you put the cam in, and set the lash?

There are no lifters.

Use GT pistons for 10.6-1, shave a little off for 11-1. I can figure out how much when you're ready.

That's not bad power. I bet you're up 20 hp over stock. I think I would try a 45 mm tb over the 50.

What filter set up are you using?

The 45mm is on the dead sedan haha, can you find it Hank?

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PostPosted: Tue Sep 07, 2010 6:42 pm 
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14.7 afr is ideal and theoretical stoichiometricity, 15.0 is a nice safe place to be with the correct ignition timing.

running an engine leaner (marginally) results in more power (marginally) and i've known a number of guys who would tune leaner as they dialed their engines in just to get a little more out of them. you aren't rich enough at .3 to even worry about. your cataytic converter will be happy as hell, your o2 sensor will last a couple of years, and you shouldn't have any bore lubrication problems.

if i could get a nice, flat response across the board from 2000 rpm to 7500 rpm at an afr of 15, i'd think i died and went to turbo heaven. :lol: i don't even think stock sohc 16v fuel mapping runs that close. :wink:

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PostPosted: Tue Sep 07, 2010 6:50 pm 
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13.2 is really good. I wouldn't want to go any higher.

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PostPosted: Tue Sep 07, 2010 7:47 pm 
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all the time or at redline like him?

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PostPosted: Tue Sep 07, 2010 8:30 pm 
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If you're bumping up compression, under load you'll want to be between 13.2-13.8:1
If you're running a knock sensor and an egt you could fine tune it and go a bit leaner, you will make more power as you approach 14.7:1, but the risk of burning valves or detonation goes way up, you also lose a bit of throttle response.

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PostPosted: Tue Sep 07, 2010 9:02 pm 
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ya' think that's why i keep getting holes in my pistons? :lol:

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PostPosted: Wed Sep 08, 2010 8:39 am 
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suprf1y wrote:
Didn't you put the cam in, and set the lash?

There are no lifters.

Use GT pistons for 10.6-1, shave a little off for 11-1. I can figure out how much when you're ready.

That's not bad power. I bet you're up 20 hp over stock. I think I would try a 45 mm tb over the 50.

What filter set up are you using?



yes we did set the lash, the guy at the dyno place(not who installed the cam) was asking about solid lifters and bumping the compression and raising the rev limiter. i have two stock tb's that could be bored out wink wink.. i forgot about going gt pistons! silly me. mike you think its worth the amount of work/money compared to hp gain? im am using a short ram setup. i have a pic in my gallery, its not as long anymore though. so its just the pistons correct? still use the stock rods?

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PostPosted: Wed Sep 08, 2010 8:43 am 
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i think the guy was talking about the retainers under the cam.. i dont know he lost me along the way. lol.

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PostPosted: Wed Sep 08, 2010 8:57 am 
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I think it's worth it, if you already have the head off for other work.

You can use sthe stock rods, but if you're buying GT pistons, grab the better rods at the same time.

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PostPosted: Wed Sep 08, 2010 10:15 am 
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so gt rods and pistons. whos got the best price?

and how much off the head? .30?

and do you think doing new valves is a wise move since i will have everything apart?

oh also is the motor an interference type? i couldnt remember? sorry im a noob. lol

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PostPosted: Wed Sep 08, 2010 1:52 pm 
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Buy a used set.

This is teamswift.
I'd be surprised if you couldn't find a set for $50 or so.

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PostPosted: Thu Sep 09, 2010 8:45 am 
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SOO whos got some for sale!!! lol. if anyone does pm me!!

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PostPosted: Thu Sep 09, 2010 8:53 am 
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viewtopic.php?f=15&t=48826&p=365002&hilit=pistons#p365002

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PostPosted: Thu Sep 09, 2010 10:30 am 
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not to bad. is there a good place to get new rods? other than SRD?.

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PostPosted: Thu Sep 09, 2010 12:05 pm 
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Put a wanted ad up. I'm sure you'll get some good used stuff at the right price.

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PostPosted: Thu Sep 09, 2010 12:52 pm 
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ya i will do that when im really ready to do some more work. this thing is my winter beater, but its slowly evolving into a lil race car!! lol. so i think i will drive it through winter then in the spring start doing some bigger mods. i need to weld the body up first!

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PostPosted: Fri Oct 08, 2010 8:34 am 
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77whp is ok,,,,,but i dont think 15:1 afrs are helping much,,,it may be good for economy,,,but not for outright power.......i think 13 is a good number to shoot for under load if you wanna be makin good power....what are you tunning fuel with?

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PostPosted: Tue Oct 12, 2010 9:04 am 
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no tunning. the place that dyno'd it put a afr meter up my tail pipe! lol. im just gonna drive this beast through the winter and see what comes out next year...my plans change with the wind.

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PostPosted: Thu Jan 24, 2013 9:58 am 
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Updates?

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