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FAST 102mm on a bolton G8 GT.. +23rwhp!

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Old 11-17-2012, 01:08 AM
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Default FAST 102mm on a bolton G8 GT.. +23rwhp!
Just thought that would be worth posting..from G8 board..to Corvetteforum..to here!!

http://www.g8board.com/forums/showthread.php?t=64836

Originally Posted by TorontoSS
Got me one of these:


Before the car laid down - 335whp/345wtq (I lost 5whp/5wtq from last dyno could be SAE related)

After the car laid down - 362whp/378 wtq

difference is 27whp / 33wtq from an intake manifold upgrade on a bolt on GT. Is this about normal or did i dyno low?

Will try and get the dyno sheet scanned and posted soon. Thanks to Champion motors and Cartuning.ca (Kevin)
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Old 11-17-2012, 08:02 AM
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That doesn't happen on a properly tuned car.
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Old 11-17-2012, 12:22 PM
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Originally Posted by Slowhawk
That doesn't happen on a properly tuned car.

What do you mean?
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Old 11-17-2012, 03:17 PM
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Nice...
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Old 11-17-2012, 07:15 PM
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Originally Posted by Slowhawk
That doesn't happen on a properly tuned car.
Originally Posted by Johnnystock
What do you mean?
The car wasn't properly tuned on the "before" dyno pull. To get a true data, you'd need to tuned it right before you swapped out to the Fast 102. That's 2 tune sessions.
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Old 11-17-2012, 08:20 PM
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most cars Ive seen again about half that on your setup
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Old 11-18-2012, 02:41 PM
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Originally Posted by Jimbo1367
The car wasn't properly tuned on the "before" dyno pull. To get a true data, you'd need to tuned it right before you swapped out to the Fast 102. That's 2 tune sessions.
ahhh.I read to fast sometimes..

Originally Posted by studderin
most cars Ive seen again about half that on your setup
Most I've seen is like 12FWHP on a 427 H/C/I...
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Old 12-01-2012, 03:42 PM
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I've seen a 20rwhp on a bone stock G8 in just tuning so yeah in my experience the FAST intake isn't good for much power on the ls3/l92 square port stuff.
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Old 12-02-2012, 10:16 PM
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Thats interesting... thats too high HP gain
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Old 12-03-2012, 08:05 AM
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Thats a huge gain!!
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Old 12-04-2012, 05:54 PM
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I'd agree, we never see that big of a gain from that intake, swapping from a GM intake, alone.
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Old 12-07-2012, 01:21 AM
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you gotta flow some more air to take advantage of that badboy. its overkill for almost every setup.
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Old 12-07-2012, 02:02 AM
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Originally Posted by I8UR4RD
you gotta flow some more air to take advantage of that badboy. its overkill for almost every setup.
What makes it overkill?
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Old 12-07-2012, 11:47 PM
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Originally Posted by I8UR4RD
you gotta flow some more air to take advantage of that badboy. its overkill for almost every setup.
Its not overkill. Its the GM LS3 intake that is simply just good. Put it on a stock LS1(with LS1 intake) and youll get a big HP bump. Someone did it in this section.
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Old 12-08-2012, 12:01 AM
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Originally Posted by Johnnystock
Its not overkill. Its the GM LS3 intake that is simply just good. Put it on a stock LS1(with LS1 intake) and youll get a big HP bump. Someone did it in this section.
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Old 12-09-2012, 09:02 AM
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I didnt pick up any hp from the swap on my 505 hp 418 ls3 but I dont sell intakes for a living. I ended up loosing about 6 hp and Thats after the retune. Im not hear to argue about this and yes it was properly tuned etc. I spent the money for the intake and paid for the dyno time and was really pumped to make more power it just wasnt there. But its your money spend as you wish.

I did get a really nice gain T/a with cathedral port heads going to the 102mm.

I have always seen great gains going to fast 90mm intakes too.

Anyway gotta love the magic made on stock cars these days LOL
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Old 12-10-2012, 08:04 PM
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Originally Posted by offaxis
I didnt pick up any hp from the swap on my 505 hp 418 ls3 but I dont sell intakes for a living. I ended up loosing about 6 hp and Thats after the retune. Im not hear to argue about this and yes it was properly tuned etc. I spent the money for the intake and paid for the dyno time and was really pumped to make more power it just wasnt there. But its your money spend as you wish.

I did get a really nice gain T/a with cathedral port heads going to the 102mm.

I have always seen great gains going to fast 90mm intakes too.

Anyway gotta love the magic made on stock cars these days LOL
Just to be clear; its not my car!! I saw this thread from G8 forums! I wish I could slap a 102mm and get 23rwhp, but it wont happen!! My tuner said to me its not worth it; 0-7hp max! I'm not spending 2K on this. If anything is to be done to my intake, its a port job for 200$ from B.E.R.
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