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Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 08-26-2013, 04:56 PM   #1
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Dyno Results on Radical Ported Intake Manifold

Here are dyno results provided by a customer that had their LS3 intake manifold Radical Ported by Peak Speed Shop....

"First let me tell you I have an 08 Vert A6 with AR 1 3/4" headers going through highflow cats and Corsa Sport exhaust. Other additions are a Vararam CAI with throttle body spacer and a tune by TJ Wong. Over the past winter I installed a ported intake manifold and throttle body from Peak Speed Shop. The manifold was treated to the Radical porting. Nothing else on my car has changed other than I have added about 7,000 miles since TJ first tuned it.
Right after installing the ported throttle body and manifold for some reason my idle speed dropped about 50 - 100 rpm. It was initially about 100 but after driving it about 30 miles it ended up about 50 RPM lower. I drove about 3 hours south to TJ Wongs and added about 10 gallons of fresh gas to my last years leftover fuel I was still burning and then we strapped the car down. TJ Wong uses a Mustang Dyno and all of his equipment is the same as the first time he tuned my car. While tuniing for drivability at part throttle and load, TJ noticed the AFR was rich and about 10% fuel was being removed to adjust for it. TJ explained the MAF was seeing more air going by and enrichening the AFR only to have the O2 sensor remove it. TJ adjusted the fuel tables to remedy the issue and we moved on to the first full pull.
On the first pull, the AFR was again a little bit rich and we picked up 12 HP and 14 foot pounds of torque. An additional adjustment to the AFR resulted in an increase of 14 HP and 18 foot pounds of torque. For those of you focused only on the numbers I think you may be selling the mod short. The final numbers for my particular car came to 414/389 on this given day. What the numbers don't talk about is how the car feels. Tip in is definitely sharper and part throttle respoinse (light load) is way more crispy. This is where I spend much of my time driving (even a Vette can only do 20 MPH in traffic) and I really appreciate the additional responsivness. What about matted ? Yes you can feel it there too. I jumped on it from a 25 MPH roll and it boiled the tires so bad I hit the fuel cutoff before the tranny had a chance to shift. In second it carried the tires and just nipped the fuel shut-off again. I can say with certainty it has never done that before.
My last impressions are this: IM and throttle body porting does work. It may not add as much as a headers and full exhaust with a tune, but you will feel the difference. For a guy like me who already has the other major bolt-ons it was the next logical step for me to modify and I'm very glad I did it. Of course the results are more to the credit of Bob at Peak Speed Shop for the excellent work and TJ Wong for his excellent tuning. I just bolted the thing on and anyone can do that."
Ken - Mercer Island, WA

AFTER



BEFORE



Dyno-tune results provided by TJ Wong - Vancouver, WA


For information on our intake manifold porting services, see our thread in the Sponsors Classified section at
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Old 08-26-2013, 05:41 PM   #2
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What is involved in YOUR porting process? We have a few shops that port IM's but none of them really add much on a bolt-on car.
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Old 08-26-2013, 05:54 PM   #3
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Any flow charts?
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Old 08-26-2013, 06:29 PM   #4
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Quote:
Originally Posted by axis View Post
What is involved in YOUR porting process? We have a few shops that port IM's but none of them really add much on a bolt-on car.
Besides porting the runners, our Radical Porting goes the extra step of removing the three posts inside the plenum in order to create better air flow. We do it in such a way that it still stands up under the high pressure of super chargers if someone wants to add one. That's why we get better results than most other companies. Plus, 90% of what we do is porting intakes and throttle bodies. So, we are very good at removing material in key places to maximize results.

Here is a picture of the plenum before and after the posts are removed.




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Old 08-26-2013, 06:36 PM   #5
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Quote:
Originally Posted by peakspeedshop View Post
Besides porting the runners, our Radical Porting goes the extra step of removing the three posts inside the plenum in order to create better air flow. We do it in such a way that it still stands up under the high pressure of super chargers if someone wants to add one. That's why we get better results than most other companies. Plus, 90% of what we do is porting intakes and throttle bodies. So, we are very good at removing material in key places to maximize results.

Here is a picture of the plenum before and after the posts are removed.




Can you PM me your pricing, shipping prices, and turn around time? Thanks.
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Old 08-26-2013, 07:47 PM   #6
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Originally Posted by LS3 SS View Post
Can you PM me your pricing, shipping prices, and turn around time? Thanks.
Yes, sending you a PM.
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Old 08-26-2013, 08:12 PM   #7
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Well, Id honestly say the power came from turning off cat protection, hence the rich drop off on the top end of the original pull. Power from 11.5 to 12.5 can be this much gain.
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Old 08-26-2013, 09:52 PM   #8
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On an Ls2 intake I do see where you can gain from porting but not on an Ls3/L99 intake.

Send me one and ill put it on my 2010 with bolt ons and a mustang dyno as well. Same time same day.

Do you guys offer refunds if there are no gains?
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Old 08-26-2013, 10:15 PM   #9
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T.
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Old 08-26-2013, 10:24 PM   #10
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Quote:
Originally Posted by litle88 View Post
On an Ls2 intake I do see where you can gain from porting but not on an Ls3/L99 intake.

Send me one and ill put it on my 2010 with bolt ons and a mustang dyno as well. Same time same day.

Do you guys offer refunds if there are no gains?
Quote:
Originally Posted by TBone View Post


T.
x3
Mines an ls7 though
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Old 08-26-2013, 11:30 PM   #11
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Old 08-27-2013, 06:50 AM   #12
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There is no way this thing doesn't resonate or flex under boost with the posts out.
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Old 08-27-2013, 07:10 AM   #13
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Quote:
Originally Posted by Rhino79 View Post
Well, Id honestly say the power came from turning off cat protection, hence the rich drop off on the top end of the original pull. Power from 11.5 to 12.5 can be this much gain.
This. It's leaner across the board.
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Old 08-27-2013, 07:13 AM   #14
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Quote:
Originally Posted by litle88 View Post
On an Ls2 intake I do see where you can gain from porting but not on an Ls3/L99 intake.

Send me one and ill put it on my 2010 with bolt ons and a mustang dyno as well. Same time same day.

Do you guys offer refunds if there are no gains?
Quote:
Originally Posted by TBone View Post


T.
Quote:
Originally Posted by Nightmare2012 View Post
x3
Mines an ls7 though
Ah....

An independent ported intake test

Carry on...
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Old 08-27-2013, 08:57 AM   #15
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Quote:
Originally Posted by litle88 View Post
On an Ls2 intake I do see where you can gain from porting but not on an Ls3/L99 intake.

Send me one and ill put it on my 2010 with bolt ons and a mustang dyno as well. Same time same day.

Do you guys offer refunds if there are no gains?
I'll make that bet with you

Sent from my SCH-I545 using Tapatalk 2
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Old 08-27-2013, 10:38 AM   #16
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I'll make that bet with you

Sent from my SCH-I545 using Tapatalk 2
Is this a peakspeed intake?

If so let's get it in!
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Old 08-27-2013, 10:55 AM   #17
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no it's not i'll pm you as i don't want to jumble up their thread.
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Old 08-27-2013, 03:45 PM   #18
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Quote:
Originally Posted by litle88 View Post
On an Ls2 intake I do see where you can gain from porting but not on an Ls3/L99 intake.

Send me one and ill put it on my 2010 with bolt ons and a mustang dyno as well. Same time same day.

Do you guys offer refunds if there are no gains?
No refunds if no gains primarily because we can only control the intake improvements... not the other variables that go into each vehicles performance including the tuning.

However, here are what other customers have reported back concerning our porting of their LS3 manifolds....
"I got to take the car out today, does pull harder . Worth the price."
Jack - Amarillo, TX (LS3 Intake Manifold Radical Porting & Throttle Body ported)



“Just wanted everyone to know that Bob did a fantastic job on my manifold and throttlebody. Not only was Bob great to work with, but my manifold arrived at Peak Speed Shop damaged and Bob took great pains to contact me about it (I'm not easy to get a hold of) and repaired it for free. Both pieces came back looking great - just as advertised. The set up runs great and I can feel a difference in throttle response. I haven't really jumped on it yet as the weather up here has been lousy and I'm still on last years gas."
Ken - Mercer Island, WA (LS3 Intake Manifold Radical Porting & Throttle Body ported)



“According to the dyno I got 12 HP and 15 torque. I can feel the throttle response is very quick. I'm chirping second and third. Thank you for all your help! I will highly recommend you to all these guys up here.”
Ken – Baton Rouge, LA (LS3 Intake Manifold Radical Porting & Throttle Body Ported)



“Got tuned tonight. I got the radical ported IM and a ported TB from a competitor. (now I wish I had gone with Bob's ported TB). I didn't get the gains that KP08 got but not bad. 8 HP and 12 TQ. Same tuner, same dyno. My tuner is going to email me the dyno overlayed on my last tune. The increase is across the board. Final numbers were SAE 427/425 (I think) on a Dyno Jet.”
Thomas – Naperville, IL (LS3 Intake Manifold Radically ported)


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Old 08-27-2013, 03:49 PM   #19
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Quote:
Originally Posted by grocerygetter View Post
There is no way this thing doesn't resonate or flex under boost with the posts out.
It does resonate a little more but we've never had a customer return one because their engine made a little more noise. Every customer preferred the extra 5 rwhp that Radical Porting gave them over Basic Porting.

Flexing has never been an issue, even under supercharged applications.
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Old 08-27-2013, 04:43 PM   #20
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Flow charts?????
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Old 08-27-2013, 05:04 PM   #21
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Quote:
Originally Posted by Rhino79 View Post
Well, Id honestly say the power came from turning off cat protection, hence the rich drop off on the top end of the original pull. Power from 11.5 to 12.5 can be this much gain.
Peak Speed Shop, what do you guys have in response to Rhino's comment above?

Quote:
Originally Posted by peakspeedshop View Post
No refunds if no gains primarily because we can only control the intake improvements... not the other variables that go into each vehicles performance including the tuning.

However, here are what other customers have reported back concerning our porting of their LS3 manifolds....
"I got to take the car out today, does pull harder . Worth the price."
Jack - Amarillo, TX (LS3 Intake Manifold Radical Porting & Throttle Body ported)



“Just wanted everyone to know that Bob did a fantastic job on my manifold and throttlebody. Not only was Bob great to work with, but my manifold arrived at Peak Speed Shop damaged and Bob took great pains to contact me about it (I'm not easy to get a hold of) and repaired it for free. Both pieces came back looking great - just as advertised. The set up runs great and I can feel a difference in throttle response. I haven't really jumped on it yet as the weather up here has been lousy and I'm still on last years gas."
Ken - Mercer Island, WA (LS3 Intake Manifold Radical Porting & Throttle Body ported)



“According to the dyno I got 12 HP and 15 torque. I can feel the throttle response is very quick. I'm chirping second and third. Thank you for all your help! I will highly recommend you to all these guys up here.”
Ken – Baton Rouge, LA (LS3 Intake Manifold Radical Porting & Throttle Body Ported)



“Got tuned tonight. I got the radical ported IM and a ported TB from a competitor. (now I wish I had gone with Bob's ported TB). I didn't get the gains that KP08 got but not bad. 8 HP and 12 TQ. Same tuner, same dyno. My tuner is going to email me the dyno overlayed on my last tune. The increase is across the board. Final numbers were SAE 427/425 (I think) on a Dyno Jet.”
Thomas – Naperville, IL (LS3 Intake Manifold Radically ported)


Quote:
Originally Posted by peakspeedshop View Post
It does resonate a little more but we've never had a customer return one because their engine made a little more noise. Every customer preferred the extra 5 rwhp that Radical Porting gave them over Basic Porting.

Flexing has never been an issue, even under supercharged applications.
Why wouldn't you offer a refund and require the intake to be sent back if there are no gains? If you are going to make a claim as said above even that "every customer preferred the extra 5rwhp that Radical Porting game them over even the basic porting" why wouldn't you be willing to stand behind that as a company instead of hiding behind customer testimonials that may or may not be true?

I could understand not offering a refund if a customer wanted to keep the intake, because then there would be an incentive to fudge numbers to get a refund, then tune it back up and keep the intake for free hp. However, that wouldn't be the case. You would have to get the ported intake back, so there would be no reason for the individual to fudge numbers to get no gains, and deal with the hassle of swapping out intakes.

Stand behind your product, not your "testimonials" that may or may not be true.
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Old 08-29-2013, 12:47 PM   #22
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Originally Posted by Rohdeo16 View Post
Peak Speed Shop, what do you guys have in response to Rhino's comment above?





Why wouldn't you offer a refund and require the intake to be sent back if there are no gains? If you are going to make a claim as said above even that "every customer preferred the extra 5rwhp that Radical Porting game them over even the basic porting" why wouldn't you be willing to stand behind that as a company instead of hiding behind customer testimonials that may or may not be true?

I could understand not offering a refund if a customer wanted to keep the intake, because then there would be an incentive to fudge numbers to get a refund, then tune it back up and keep the intake for free hp. However, that wouldn't be the case. You would have to get the ported intake back, so there would be no reason for the individual to fudge numbers to get no gains, and deal with the hassle of swapping out intakes.

Stand behind your product, not your "testimonials" that may or may not be true.
I should clarify.... we offer this unconditional guarantee on any product or service that we sell:
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Old 08-29-2013, 01:54 PM   #23
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So then you do offer a refund if no gains are achieved?
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Old 08-29-2013, 02:24 PM   #24
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So then you do offer a refund if no gains are achieved?
Sounds like a yes to me...they just don't word it like that.

I'd also like to hear their response to what Rhino79 posted. I asked earlier and they quoted that part of my post but said nothing about it.
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Old 08-29-2013, 02:43 PM   #25
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So then you do offer a refund if no gains are achieved?
Correct. Unconditional Guarantee for 30 days.
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