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NA LS6 -- Where to now?

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Old Apr 24, 2015 | 03:27 PM
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Default NA LS6 -- Where to now?

Hey guys,

I'm currently getting some upgrades done and I'm trying to figure out what direction I should go next to get more power out of my LS6 while keeping it NA.

As it stands, these are the upgrades I'll have and the upgrades I already have :

AFR 210cc Heads
K&N Cold Air Intake
FAST 102mm Intake Manifold
102mm Throttlebody
G5X3 114 LSA Cam
Comp Pushrods/Springs
LG Super Pro Long Tube Headers
LG Big 3 Catback 4 Tip
Centerforce Clutch

I was told the next logical step for more power would be a stroker kit and forged pistons. Anyone have any suggestions? Any other places I could pick up some power? I won't have a dyno for the current final setup for another week or so I just want to get an idea of what I'll be doing next.

Thanks
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Old Apr 24, 2015 | 03:29 PM
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Sounds like it should be fun as is!

Mine is still at 345 HP lol
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Old Apr 24, 2015 | 04:12 PM
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better me stock bottom in the 1/4 mile then proceed ...

Of course you MUST get a supercharger
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Old Apr 24, 2015 | 04:12 PM
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Take all that stuff off...sell it to 1999corvettels1 and put on a super charger?
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Old Apr 25, 2015 | 05:32 PM
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there's no goal here

are you drag racing, road racing, autocross, endurance?

what's the rest of the setup like, brakes, suspension, tire compound etc
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Old Apr 25, 2015 | 09:25 PM
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Originally Posted by racebum
there's no goal here

are you drag racing, road racing, autocross, endurance?

what's the rest of the setup like, brakes, suspension, tire compound etc
This is purely recreational spirited driving. No tracking or racing. Brakes, suspension, and tires are essentially stock.
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Old Apr 26, 2015 | 01:02 AM
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Originally Posted by vpshockwave
This is purely recreational spirited driving. No tracking or racing. Brakes, suspension, and tires are essentially stock.
then there's no point, you'll throw the balance of the car off and more power often makes an otherwise stock car even more difficult to drive at the limit
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Old Apr 26, 2015 | 01:23 AM
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Originally Posted by racebum
then there's no point, you'll throw the balance of the car off and more power often makes an otherwise stock car even more difficult to drive at the limit
99.9% of the time it won't be driven at it's limit. It's currently not even remotely difficult to drive so I'm not sure how another increase would suddenly throw it so far out of balance it would be impossible to drive.

Maybe this was the wrong forum to ask.
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Old Apr 26, 2015 | 01:38 AM
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Originally Posted by vpshockwave
99.9% of the time it won't be driven at it's limit. It's currently not even remotely difficult to drive so I'm not sure how another increase would suddenly throw it so far out of balance it would be impossible to drive.

Maybe this was the wrong forum to ask.
so you're saying you can hammer it in 2nd coming out of a corner and not have traction problems with that engine and joe average tires?

the way i look at cars is basically like this. if the mods don't decrease lap times of increase overall performance what is the point?

i guess if you just want a hot rod that takes off fast that could be one thing but it's an awful expensive way to go after a straight line thrill...especially when the tires are going to be a limiting factor along with the drivetrain
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Old Apr 26, 2015 | 01:41 AM
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Originally Posted by racebum
so you're saying you can hammer it in 2nd coming out of a corner and not have traction problems with that engine and joe average tires?

the way i look at cars is basically like this. if the mods don't decrease lap times of increase overall performance what is the point?

i guess if you just want a hot rod that takes off fast that could be one thing but it's an awful expensive way to go after a straight line thrill...especially when the tires are going to be a limiting factor along with the drivetrain
No, I'm not saying that. I said it gets some spirited driving, that's it. I tend not to hammer it around corners. I'm not worried about lap times as I do not have a track nearby nor do I have a 1/4 strip. If that's something I want to pursue in the future then I will worry about brakes, suspension, tires, etc. Right now I'm simply looking for the next logical step to putting more power to the wheels while keeping it NA.
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Old Apr 26, 2015 | 03:38 AM
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Originally Posted by vpshockwave
No, I'm not saying that. I said it gets some spirited driving, that's it. I tend not to hammer it around corners. I'm not worried about lap times as I do not have a track nearby nor do I have a 1/4 strip. If that's something I want to pursue in the future then I will worry about brakes, suspension, tires, etc. Right now I'm simply looking for the next logical step to putting more power to the wheels while keeping it NA.
Im with you brother....I couldn't care less about gaining another .2g around a corner or shaving .5 sec off a lap time.

If your staying stock 346 CI...you can look at having Mamo port your FAST/TB. You could probably pick up 10rwhp there. Underdrive pulley and an electric water pump are other options good for 5-10rwhp

You have what looks to be a pretty well done set up as is... The bit of power you have left on the table with stock cubes will cost you. Your biggest return for the dollar will be with boost, nitrous or cubic inches.
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Old Apr 26, 2015 | 04:35 AM
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Originally Posted by vpshockwave
more power to the wheels while keeping it NA.
why?

just trying to understand the reasoning if you aren't racing or have a measurable goal?
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Old Apr 26, 2015 | 07:52 AM
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Originally Posted by vpshockwave
This is purely recreational spirited driving. No tracking or racing. Brakes, suspension, and tires are essentially stock.
stock suspension actually works pretty well, I have 1.34X sixty foot stock suspension, brakes etc..

What gears do you have? THAT would be your biggest seat of the pants feel.

I love running N/A on the street but one can get into a LOT of trouble real quickly... We never referred to hammering the car on the street but more like squeezing the trigger.

good luck with your goals
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Old Apr 26, 2015 | 01:30 PM
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Originally Posted by Hot_Wheels
stock suspension actually works pretty well, I have 1.34X sixty foot stock suspension, brakes etc..

What gears do you have? THAT would be your biggest seat of the pants feel.

I love running N/A on the street but one can get into a LOT of trouble real quickly... We never referred to hammering the car on the street but more like squeezing the trigger.

good luck with your goals
Currently running the stock 3.42 gears. What would you recommend?
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Old Apr 26, 2015 | 01:30 PM
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Originally Posted by racebum
why?

just trying to understand the reasoning if you aren't racing or have a measurable goal?
For fun.
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Old Apr 26, 2015 | 01:32 PM
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Originally Posted by Cheesecake 07
Im with you brother....I couldn't care less about gaining another .2g around a corner or shaving .5 sec off a lap time.

If your staying stock 346 CI...you can look at having Mamo port your FAST/TB. You could probably pick up 10rwhp there. Underdrive pulley and an electric water pump are other options good for 5-10rwhp

You have what looks to be a pretty well done set up as is... The bit of power you have left on the table with stock cubes will cost you. Your biggest return for the dollar will be with boost, nitrous or cubic inches.
Thanks cheese, those seem like some fairly easy gains. I'll put those fairly high up on my list
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Old Apr 26, 2015 | 01:41 PM
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Originally Posted by 73Corvette
Take all that stuff off...sell it to 1999corvettels1 and put on a super charger?
cheaper and make way more power
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Old Apr 26, 2015 | 04:58 PM
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I agree, Put gears in it 3.73 or 3.90's will make a great seat of the pants difference

Mike
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Old Apr 27, 2015 | 12:55 AM
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Thanks guys! I'm trying to confirm whether or not I have an underdrive crank pulley already as I was supposed to already have one installed. I may go ahead and have an electric water pump installed as that seems to be a pretty easy gain.
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Old Apr 27, 2015 | 05:48 AM
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Nice N/A setup! I think you might dyno somewhere between 470-490 rwhp. I'm not sure if you'll even notice a 10hp gain other than a dyno number.

Gears will help the quarter mile time, but you loose some comfortable street driving.

Enjoy the ride!
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