GPI MAX Cam/Head Results - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

Rhino79 · 02-17-2018, 10:31 PM

The most powerful ls3 top end available using plastic factory style manifold!

Almost 150 hp gain over stock ls3 with only a 226 intake duration cam.

The ls7 Head gives us a lot of room for milling to increase compression, and it allows us to have incredible mid to upper rpm power and rev range thanks to some amazing ports.

We are developing cams specifically for this head/intake configuration.

This is the alpha package, and for the max effort drag guys, we have combos available utilizing cid intake, high ram, and or solid roller applications. Expect another 40 plus hp in those applications.

Ashen 6.2 · 02-18-2018, 07:41 AM

Fantastic results Ryan & Aaron! Looking forward to seeing how this package performs on a L99 w/VVT!

larry_g · 02-18-2018, 08:01 AM

How would a package like this be on a daily driver, one that is used for autocross and the occasional track day? Also, what about maintenance intervals and inspection requirements?

Sent from my Pixel XL using Tapatalk

Rhino79 · 02-18-2018, 08:07 AM

This package will require no more maintenance than ours or any other cammed setup. We simply have developed a head/cam combo that performs at a higher level.

The rpm range is extended with this package, so autocross/roadcourse/ and drag will all reap the rewards of the rpm capability.

GRNFLSH · 02-18-2018, 09:06 AM

NICE!

lazerlemonta · 02-18-2018, 06:08 PM

Nice package

Synner · 02-18-2018, 06:33 PM

Is it a small bore LS7 head? Do you have or are you looking into road race stable cams? What kinds of valves: titanium, sodium filled, solid? I'm thinking low lash might be necessary to have road race stability plus lift numbers that would benefit from these heads or is it more about the compression ratio change?

Rhino79 · 02-18-2018, 09:30 PM

Quote:

Originally Posted by Synner

Is it a small bore LS7 head? Do you have or are you looking into road race stable cams? What kinds of valves: titanium, sodium filled, solid? I'm thinking low lash might be necessary to have road race stability plus lift numbers that would benefit from these heads or is it more about the compression ratio change?

It is a ls7 casting with some tweaks to work in med bore applications. As with any of our heads, you can option out ti, hollow stem, solid stem, inconel etc...
as with any ls7 Head, the pedestals need to be milled off for shaft mounts if you want to make running a solid worth your while. (Big lift).

We have hyd lobes that are very stable into the 7000s. We often run lower lift stuff on road race stuff where sustained high rpm is needed, not necessarily the last 1 percent of power.

christianchevell · 02-19-2018, 09:49 AM

Yup 7 grands a good cut off, I would love to see these heads teamed up with a stroker LS and the new intake made by LOD speedworks ;as I thought they were going to make a ls7 version ????? of their new intake as they are making new tops for it I heard and I thought a ls7 version?. I would think the combination of stroker, a more aggressive cam ,the heads and that larger runner intake would all be good......especially with a radical stroker cam shaft to use even more air and fuel.... Anyway thats my dream...dream big N/A....

And have not heard anything much on the LS7 version of their intake since they initially announced on here and showed us the intake they now have in production. SO some day I may have to have those heads you've made hopefully down the line with their intake but.....may have to be airforce like I was thinking. Still though the options are so nice to have for the future to spend money and make more power N/A or even FI or juiced bigger potential ........SIGH...... damn daughters college education has me down for about 4 more years.....

Rhino79 · 02-21-2018, 08:52 PM

We have made pulls to 7700 rpm. As long as the valvetrain is stable, the factory ls7 manifold will go there. Of course a carb style intake like the cid would be the best for power, but very hard to package.

acammer · 02-22-2018, 06:05 AM

Really nice setup. You guys always seem to have the drop on the competition with the absolute top performing hardware. Can't wait to see some of these hit the track!

Rhino79 · 02-22-2018, 10:52 AM

Quote:

Originally Posted by acammer

Really nice setup. You guys always seem to have the drop on the competition with the absolute top performing hardware. Can't wait to see some of these hit the track!

Thats what we strive for. I want to be at the top of the game performance/durability wise. I dont want to blow smoke with products that dont deliver. We are known for kicking ass, and that will stay the same!

lazerlemonta · 02-22-2018, 12:56 PM

i would love to see this with full zoot treatment on the gentlemens 1LE. Crank scraper, Electric water pump, short belt and a vacuum pump on some chp+ I bet it would crack 570! 545 is stout with this left on the table ohhhh and at least a RPS clutch

Great RND guys

xc_SS/RS · 02-22-2018, 01:25 PM

are these actual ls7 heads or did you guys design your own? either way those are awesome gains!

02-18-2018, 07:41 AM	#2
Ashen 6.2 Drives: 2014 Camaro Z/SS Join Date: May 2014 Location: NW Arkansas Posts: 1,993 View My Garage	Fantastic results Ryan & Aaron! Looking forward to seeing how this package performs on a L99 w/VVT! __________________ 2014 Camaro SS L99, Ashen Grey w/Black Leather - Build thread - http://www.camaro5.com/forums/showthread.php?t=491561 Mods - GPI 416 w/Custom Grind Cam, Ported Heads & Tuned by Ben, Mag Heartbeat, ZL1 Fuel Pump & DSX Aux Pump, NW 103 TB, FIC 1650's, Alky Meth, Circle D 3600 Triple Disc, RPM 5” CAI, Kooks Headers, Solo Cat Back, Viking Coil Overs & all the BMR Goodies in the rear, Zl1 3.23 Diff, DSS Axles, Gulfcoast Driveshaft, Hendrix Offset Diff Bushings, AFE Solid Subframe Bushings, 875HP/843TQ 5FDP

02-18-2018, 08:01 AM	#3
larry_g Drives: 2014 1SS/1LE Join Date: Nov 2015 Location: Louisville, KY Posts: 826	How would a package like this be on a daily driver, one that is used for autocross and the occasional track day? Also, what about maintenance intervals and inspection requirements? Sent from my Pixel XL using Tapatalk __________________ 830 WHP 700 WTQ, Whipple 2.9 @ 13lbs Boost, Flex Fuel Tune by Blevins Tuning, LSA SBE, 3.5 GripTec, ATI LS3 Damper, AFR 260cc Mongoose, ARP Studs, Yella Terra Ultralites, Johnson 2110R, BTR PDS Stage 3, Melling 10355, Improved Racing Baffle, ID1050X, DSX Triple Fuel Pump, RotoFab CAI, NW 103mm TB, Stainless Works 1-7/8" LTH to 3" Speed Eng w/ X-pipe to NPP, Powermaster 9509 XS, Detroit Speed Motor Mounts, MGW, Monster LT1-S, ZL1 Calipers, DBA Rotors & Pads, Bilstein B6 Struts & Shocks, BMR 1.25" Drop Springs & Adj Rear Bar, Pegasus Solid Bushings, Z/28 Wheels, other misc parts.

02-18-2018, 09:06 AM	#5
GRNFLSH Drives: 2015 Camaro 2SS Green Flash Edition Join Date: Dec 2015 Location: NW Arkansas Posts: 200	NICE! __________________ Kooks stepped headers & Solo XL Cat-back ADM CAI w/race scoop & Rotofab w/w relo GPI VVT SS1 cam and CNC ported heads milled .30 BTR .660 springs, Straub solid bushing trunions GPI rod-mod intake with I-M heat sheild Circle D 258mm Pro single disc 3700 rpm stall converter 169F thermostat & manual fan switch Tuned by Ryno at GPI - 455 RWHP / 416 lb-ft

02-18-2018, 06:08 PM	#6
lazerlemonta Drives: 2010 C6 1LT Join Date: Dec 2011 Location: Virginia Posts: 877 View My Garage	Nice package __________________ 2010 C6 JET STREAM BLUE BOLT ONS TO THE EXTREME, GPI 281cc HEADS, Darth_V8r SPEC CAM, FAST 102 INTAKE, CRANK SCRAPER, QUARTER MASTER 7.25" CLUTCH, RPM 3.90 STAGE II DIF, Z51 Gear Set AND E85 Best ET 10.58 @ 131.8 stock heads and stock cam 453/445 SAE 10.62@134.82 GPI 281CC Heads, SS4 Cam and X1 Intake Best 1/8 6.80@105.75 Best MPH 134.82

02-19-2018, 09:49 AM	#9
christianchevell old school chevy rodder Drives: 2013 2SS/RS Manual,DM exhaust,CRT Join Date: Jul 2012 Location: Oregon Posts: 5,587 View My Garage	Yup 7 grands a good cut off, I would love to see these heads teamed up with a stroker LS and the new intake made by LOD speedworks ;as I thought they were going to make a ls7 version ????? of their new intake as they are making new tops for it I heard and I thought a ls7 version?. I would think the combination of stroker, a more aggressive cam ,the heads and that larger runner intake would all be good......especially with a radical stroker cam shaft to use even more air and fuel.... Anyway thats my dream...dream big N/A.... And have not heard anything much on the LS7 version of their intake since they initially announced on here and showed us the intake they now have in production. SO some day I may have to have those heads you've made hopefully down the line with their intake but.....may have to be airforce like I was thinking. Still though the options are so nice to have for the future to spend money and make more power N/A or even FI or juiced bigger potential ........SIGH...... damn daughters college education has me down for about 4 more years..... __________________ 2021 Wild Cherry ZL1 A10, Sunroof, Data, Carbon, Nav, RotoFab Dry CAI, Elite x2, Borla ATK, Driveshaft shop

02-18-2018, 08:07 AM	#4
Rhino79 Drives: 2010 Camaro SS L99/Auto Join Date: Jul 2011 Location: Cabot, AR Posts: 2,827 View My Garage	This package will require no more maintenance than ours or any other cammed setup. We simply have developed a head/cam combo that performs at a higher level. The rpm range is extended with this package, so autocross/roadcourse/ and drag will all reap the rewards of the rpm capability.

02-18-2018, 06:33 PM	#7
Synner Drives: cars Join Date: May 2011 Location: Oversneeze Posts: 4,544	Is it a small bore LS7 head? Do you have or are you looking into road race stable cams? What kinds of valves: titanium, sodium filled, solid? I'm thinking low lash might be necessary to have road race stability plus lift numbers that would benefit from these heads or is it more about the compression ratio change?

02-21-2018, 08:52 PM	#10
Rhino79 Drives: 2010 Camaro SS L99/Auto Join Date: Jul 2011 Location: Cabot, AR Posts: 2,827 View My Garage	We have made pulls to 7700 rpm. As long as the valvetrain is stable, the factory ls7 manifold will go there. Of course a carb style intake like the cid would be the best for power, but very hard to package.

02-22-2018, 06:05 AM	#11
acammer GPI Sales Consultant Drives: 2011 Camaro 2SS SGM Join Date: Jul 2016 Location: Weedsport, NY Posts: 2,794 View My Garage	Really nice setup. You guys always seem to have the drop on the competition with the absolute top performing hardware. Can't wait to see some of these hit the track! __________________ GPI Max Package 2.0: Brodix BR7 heads/GPI porting, MAX3 cam, ST2116LSR, BSR Max Lift rockers, LS7 LSXR with 103mm TB, Vararam OTR, Mcleod RXT, G-Force/Strange 9" IRS setup with 4.63 gear. 551whp, 11.1@124mph. *Got a question about a GPI product? Feel free to shoot me a message!*

02-22-2018, 12:56 PM	#13
lazerlemonta Drives: 2010 C6 1LT Join Date: Dec 2011 Location: Virginia Posts: 877 View My Garage	i would love to see this with full zoot treatment on the gentlemens 1LE. Crank scraper, Electric water pump, short belt and a vacuum pump on some chp+ I bet it would crack 570! 545 is stout with this left on the table ohhhh and at least a RPS clutch Great RND guys __________________ 2010 C6 JET STREAM BLUE BOLT ONS TO THE EXTREME, GPI 281cc HEADS, Darth_V8r SPEC CAM, FAST 102 INTAKE, CRANK SCRAPER, QUARTER MASTER 7.25" CLUTCH, RPM 3.90 STAGE II DIF, Z51 Gear Set AND E85 Best ET 10.58 @ 131.8 stock heads and stock cam 453/445 SAE 10.62@134.82 GPI 281CC Heads, SS4 Cam and X1 Intake Best 1/8 6.80@105.75 Best MPH 134.82

02-22-2018, 01:25 PM	#14
xc_SS/RS Drives: 2010 Camaro SS/RS Join Date: Mar 2014 Location: somewhere in MD Posts: 4,883	are these actual ls7 heads or did you guys design your own? either way those are awesome gains! __________________ 2010 2SS/RS Z/28 intake, NW, FAST 102, speed engineering LT's, some exhaust, ATI -10% pulley, GM flex fuel injectors, DSX flex fuel sensor, MGW shifter, HP Tuners, some suspension work, stickers and a little weight loss. 12.63 @113.53