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Old 06-20-2014, 09:09 PM   #1
hammdo

 
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My Experience With GPI

In one word -- AWESOME!

Aaron, James, Ryan, Mike, and the whole crew are truly experts.

My 2011 2SS L99 A6 was the car modded.

I had already added the Vararam Intake (No Tune Version), Vararm PowerWedge, VMax TB, and JBA Wires.

When I arrived, I met with James and Ryan to go over what I wanted done and approximate time-frame to get it completed.

The first item on the list was Ryan doing the initial Dyno.

With the mods I installed, the L99 did consistent 365 RWHP. I did not have a dyno of it before the mods, but based on Ryan's experience, I gained about 25 RWHP with those mods.

So, the team at GPI did the intake mod, Installed the Stainless Work LT 1 7/8 header with the High Flow Cat and muffler delete. These parts I purchased from Maryland Speed (GREAT customer service!).

Then came the under-drive pulley and 3.91 gears.

Once those were done -- back to the dyno and ...

402 RWHP and 402 ft-lbs Torque!

This JUST from bolt-ons. One run was 404.9 -- but the consistent run was 401.8 RWHP

So, the initial drive after completed, Ryan and I drove it near a 'straight-away' to see how she does -- 3.91 with that power REALLY snapped the Camaro into shape!

So, these guys know their stuff -- they are gear-heads

So, why did I drive 5 hours to them?

When Ryan and I spoke, I knew he had a total understanding of the car and its capabilities.

I did check around the 'local' shops. Some didn't call me or email me back -- others were quick to respond.

The one I thought I'd go with wanted 50% up front just to get on their calendar and it was a month wait.

I ran an automotive service center for 7 years and that just rubbed me the wrong way. Maybe I'm picky about things like that...


Anyway, GPI and the team were just on it. They knew I was driving 5 hours and the total deal with a Rental Car, was just awesome.

To the entire GPI team. BTW, GPI is a Chevy Dealer -- imagine that! Not like any here in Dallas I've seen or talked to personally. The one's I did talk to look @ you cross-eyed when you want to do 'performance' upgrades.

I will most certainly contact GPI again. If you want to do the bolt ons and get the most HP, I can attest to their magic.

BUT that is not all they do...

I did see them working on an SC Camaro -- this one is over 800RWHP (I believe he is a member of this forum too!)


Yes, Yes, Yes, the proof...

I do have the dyno slips and pics (not the gears though) and will post them after I've had a chance to 'rest' from the trip.

Just awesome -- my Jack Nicholson smile (think Riddler) just won't go away after doing that for 5 hours -- the wife (who went with me) enjoyed the drive and the new 'Camaro' -- caught her a bit by surprise with the before and after

GPI is just awesome and worth the trip no doubt...
-Don

Last edited by hammdo; 06-28-2014 at 11:09 PM.
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Old 06-20-2014, 10:17 PM   #2
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Cool deal man, I've made the trip twice and planing on a 3rd trip early next spring lol
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Old 06-20-2014, 10:18 PM   #3
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I've been working with Ryan (Rhino) for the last 9 months on my tune and other tweaks and what have you, I have nothing but good things to say about the guy. I'll echo your sentiments, for what it's worth.
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Old 06-20-2014, 10:26 PM   #4
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Ryan did say, I should see 11's with this puppy -- not with 'stock' tires though ;o)...

I'm willing to go to the folks who take care of me and who know their stuff, but don't 'act' like they 'know' their stuff -- if you get my meaning...

I really liked GPI's 'family' attitude towards me. It was fun just to 'chat'. It reminded me of the 'old school' performance shops I grew up with -- but with the 'modern' twist. That is hard to come by and GPI does that well.

-Don
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Old 06-20-2014, 10:57 PM   #5
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ok -- dyno numbers



Headers Left:


Headers Right:


High Flow Cats:


Muffler Delete:


Delete Tips (NICE):


Left Tip:


Under Drive Pulley:

Last edited by hammdo; 06-28-2014 at 11:12 PM.
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Old 06-20-2014, 11:02 PM   #6
axis
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They typically have LOTS of cool old muscle cars to look at too, which is weird for a dealership. Frods, Dodges, and Chevy's.
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Pfadted (springs/sways)
Dyno tuned by Rhino and GPI

I once parallel parked a train.
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Old 06-20-2014, 11:07 PM   #7
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Axis -- what were your dyno #'s?

AND

do you have a pic of that 'train' you parked ;o)
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Old 06-20-2014, 11:14 PM   #8
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Good to hear
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Old 06-20-2014, 11:17 PM   #9
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Damn, my face is sore -- can't stop 'smilin' even after 5 hour trip -- GPI does that to you:

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Old 06-20-2014, 11:27 PM   #10
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I appreciate the kind words Don.

We like what we do, and really enjoy helping you guys out. We do a lot of stuff from surrounding states, and we try to accommodate you guys when you make to road trip to us. We know you could go anywhere you want. We aren't always the cheapest, but we proudly stand behind our work and take pride in what we do.

I hope you enjoyed the ride home V4 mode free....lol.
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Old 06-20-2014, 11:35 PM   #11
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Damn fun -- tired and I still want to drive it -- wow does it perform! I had to 'pass' a few cars just to 'make sure' it was not a dream
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Old 06-20-2014, 11:39 PM   #12
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I'll say its kinda 'funny' how folks move out of the way when they 'hear' it kick in

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Old 06-20-2014, 11:42 PM   #13
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Here's my thread. This was before gears and Bo's TB.

http://www.camaro5.com/forums/showth...yno+tune+email
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2010 Black 2SS/RS A6
Halltech CF 102 fed
GPI modded intake manifold
Bo (knows) White ported TB
Kooks LT's/ Dynomax VT
Pfadted (springs/sways)
Dyno tuned by Rhino and GPI

I once parallel parked a train.
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Old 06-20-2014, 11:52 PM   #14
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Anyone know a good company to ship a car? I can't make the 10+ hours trip to GPI , Iam planning on getting autocal with em but would really rather have it in his hands.if it's too pricy to ship which I imagine
Autocal it is
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Old 06-21-2014, 12:01 AM   #15
hammdo

 
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I want to be honest - I would try and find a way to get it to GPI -- not trying to 'sell' you or saying no one else is qualified or good, but I really got to see first hand what they can do and how Aaron, James, Ryan, Mike and the team @ GPI take care of you. If they know you're making the trip, they'll make sure the trip back home is awesome!

-Don
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Old 06-21-2014, 12:09 AM   #16
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Ryan -- we need some GPI Camaro T's!
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Old 06-21-2014, 12:55 AM   #17
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Yup...GPI is top notch. Can't wait to get my next project rockin!
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2014 GMC CC Z71, 2009 C6 vette (57x/53x at the wheel and less than 3300lbs)
2010 Camaro 2ss/rs---SOLD 4/15/14
-654whp with a few cosmetic things, Pfadt suspension, Vortech, CircleD, GPI ss3 vvt bump stick, gears, stuff in between,18" TSW N'rings for drag duty, 20" Forgestar F14s for street.

Thanks to:
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rhino@ Gwatney Chevrolet/GPI Jacksonville AR
TCAudio in Benton AR
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Old 06-21-2014, 11:38 AM   #18
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Quote:
Originally Posted by Chevrolade View Post
Anyone know a good company to ship a car? I can't make the 10+ hours trip to GPI , Iam planning on getting autocal with em but would really rather have it in his hands.if it's too pricy to ship which I imagine
Autocal it is
You'd probably be better served to buy the HPT or EFI live suite. You'd still have the ability to load up tunes from Ryan, and you'd be able to dabble in fine tuning yourself. The price difference isn't that much.
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2010 Black 2SS/RS A6
Halltech CF 102 fed
GPI modded intake manifold
Bo (knows) White ported TB
Kooks LT's/ Dynomax VT
Pfadted (springs/sways)
Dyno tuned by Rhino and GPI

I once parallel parked a train.
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Old 06-22-2014, 04:04 AM   #19
Cyber Gray
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Those are good number !!

Do they offer any mail tunes for those who cant make it to the dyno ?
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Old 06-22-2014, 10:39 AM   #20
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talk to rhino...he does via an efi loader i think...not sure though
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2014 GMC CC Z71, 2009 C6 vette (57x/53x at the wheel and less than 3300lbs)
2010 Camaro 2ss/rs---SOLD 4/15/14
-654whp with a few cosmetic things, Pfadt suspension, Vortech, CircleD, GPI ss3 vvt bump stick, gears, stuff in between,18" TSW N'rings for drag duty, 20" Forgestar F14s for street.

Thanks to:
Tony@ dv8motoring
rhino@ Gwatney Chevrolet/GPI Jacksonville AR
TCAudio in Benton AR
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Old 06-22-2014, 10:39 AM   #21
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Quote:
Originally Posted by Cyber Gray View Post
Those are good number !!

Do they offer any mail tunes for those who cant make it to the dyno ?
That would be a yes. Ask me how I know. To say it was a difference would be doing them no justice. Cant wait to get further involved with GPI.
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Lot's of carbon......
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Old 06-22-2014, 11:21 AM   #22
Pro Stock John
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Hammdo that car to the track stat!!

Ryan @ GPI has been remote-tuning my car.
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Camaro Now: Mods for the Masses Part I | Part II
13.15@106 1.95 | 100% Stock
12.37@112 1.85 | + Kooks Headers/Cats + 20" 555R + CAI + BW TB + UDP + Tune
12.06@113 1.70 | + CD 3200 + 18" NT05R + RCR Intake + NE OTR + GPI Tune
11.84@113 1.59 | + 3.91s + Race Star 17x7 Fronts
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Old 06-22-2014, 11:29 AM   #23
hammdo

 
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Yep -- want to do a few more mods to the suspension. I can tell you it tracks nice right now -- tried it on some mountain roads in AR -- wow ;o). Some sticker tires may be in the future -- but right now -- smiles all around...

Had to take a 'second' job just to 'pay' for these 'advancements' to this 'daily driver' -- wife's approval of course ;o)

-Don

Last edited by hammdo; 06-22-2014 at 05:51 PM.
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Old 06-22-2014, 05:04 PM   #24
hammdo

 
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Just so everyone knows -- I'm getting the Solo -J Pipe to kill the drone that comes with the the exhaust changes -- In Texas doing 80 + on the 'legal' 80 + highways -- not to bad, under 80 -- notice it -- between 1800 - 2000 RPM.

Solo's might be a better deal/price when you consider the install + the delete/J Pipes -- just saying...

-Don
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Old 06-22-2014, 05:09 PM   #25
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62nalide:

what mods did you have on yours -- I understand you're over 500 + with no SC -- is that correct?

-Don

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