Stillen vs. Smoky: your take on intakes

Kastley85891

Too pricey for me, but probably is a good short ram, I want SG3's but for the moment I am running my do it your self <200 buck Sunday project with stock MAF housing and accurate fueling (confirmed via WB)
Sounds great, throttle response IS better, un dyno'd so cannot comment on power, although it 'feels' better then stock intake system.

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Boosted V8 hunter
2850 lbs and 375WHP

Zsteve

I would be curious as to the TS MAF section diameter compared to the G3 diameter. The only way the SRI will make gains is by increasing the diameter to make the car run lean and thus make some power, but the G3s do that too. I mean no matter what its a filter on a stick and there isonly so much one can do to make gains and they have all been tried and all intake makers know the tricks so I find it hard to believe the TS made more than the G3 without doing anything else to the car or dyno. They will suck in more heat than the G3s, so they have to make up for that lose somewhere and whatever they did to do that, others know it to and would have done it on the G3 too. So its all a crap shoot really and you just get what you like.

Another note Im curious about is, coming from GA to Tx and now being at a higher altitude my car is slower than it was in GA. What was the altitude density for the G3 dyno and the TS dyno? Could this make a difference in numbers?

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2010 LS3 C6 Silver coupe corvette

Endgame

ZSteve - To you question about altitude for this dyno, no that would not make a difference here as both cars were dyno'd in the same shop. Good thought though....

Zsteve

I have a question in general, if running lean can make more horsepower and can be bad if too lean, how does a tune make even more horsepower after that if they adjust the AFR to be not as lean? I would think you would lose power but it would be safer on the engine.

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2010 LS3 C6 Silver coupe corvette

Kastley85891

You make peak power both sides of the equation, you can tune for peak 'rich' or peak 'lean' power, each fuel will vary for the total end target AFR/LAMBDA.
Obviously the target will vary depending on particular vehicle set up/conditions , but generally most will share the same ballpark.

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Boosted V8 hunter
2850 lbs and 375WHP

1slow370

also tuning advances the ignition curve and that advance is good for making solid gains by itself. Many tunes for these cars also feature raised redlines and extending the power curve is good for a few horsepower as well although it is superficial as you won't see benefit unless you are that high in the first place.

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Kastley85891

Sure tuning is way more then fueling, TBH you can tune via EGT and not even look at AFR if you are experienced enough and have correct probe placement, personally I prefer a WBo2 to relay my accurate fuel readings, EGT FB is very useful in tandam for an accurate balance of fueling and ignition, but hell, look at a rom image from any vehicle, soo many parameters that can effect the ultimate outcome, its a fine balancing act to get a smooth, reliable, well targetted, accurate vehicle.

Thats why I tune my own cars.
Yes I have popped a motor in the name of science lol

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Boosted V8 hunter
2850 lbs and 375WHP

Z eliminator

My 7 AT made 260.4 to 264 stock on the dyno, with the stillen G's it made 284, with the bumper on and no tuning of the car.
it made an honest 20 rwhp. (SAE).

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12.343 @114.14 . 4.5 stroker motor is now being built. Dec 1 2015.

secondnissan

Was this car tuned at all? We all know the stillen intakes lean things out a bit to make more power. HOWEVER Stillen recommends having the car tuned if you have thier intake, exhaust, cats and HEADERS. This car in this test had HFC's and Headers, which means it was running too lean to begin with, hence the power loss with the stillen intakes. Throw on the new TS intake and all the sudden the AF ratio richens up perfectly to make more power.

Notsud 13

so whats the final verdict? does everyone agree with the TS dynos and numbers being better than the stillen G3s? Im about to pick up the TS intakes for a good price.

Zrider79

Share what is a good price you found ?

Volk Z

An arm and only half a leg

Im not sure 1300 more for the top secret intake is worth a 5hp 7Ft/lb Tq. I LOVE Top Secret but... Just doesnt seem worth the extra money.

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Japanjay

My old lady would kick my *** if I bought a pair of intakes for almost $2k.

ANMVQ

With all said, I agree that the shorty intakes lose power due to heat soak, But maybe they used the first or second run only? Also I think I would be more apt to ask why the car only made 286 with headers and and HFC's. My car made 298 with stock cats and headers? ( mustang dyno) Not inflated numbers/

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14 Q50 AWD, ARK, ECUTEK (SEB), Takda,

BigT

I'm surprised no one questioned the air filter. Those mushroom style filters def. filter a ton less vs your standard oiled or dryflow filters, but flow more. I'm sure this attributed to the numbers slightly.