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10-29-2017, 01:53 PM #1Junior Member
- Join Date
- Nov 2005
- Location
- High Point NC
- Posts
- 70
MGM- Pontiac G8 GT & 99 Z28 6M
Long tube headers options with a cat
Any off the shelf options for a cat in the y pipe? How does blocking the EGR affect the engine, I see that BBK headers don't have EGR provisions.
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10-30-2017, 06:01 AM #2Spaz is My Mentor
- Join Date
- Feb 2009
- Location
- Florida Man Status Acheivement
- Posts
- 11,759
Navy Blue Metallic- 98 T/A w/ mods, 00 FBVert
Blocking the EGR does absolutely nothing to the engine. I can't remember if you need to have the EGR turned off in the tune. You can ask Frost form tunedbyfrost.com His mail order tunes are worth every penny. He also turns off the rear O2 sensors that headers eliminate and adjusts some of the fuel trim tables so that you get better performance with the headers.
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10-30-2017, 08:30 AM #3Junior Member
- Join Date
- Nov 2005
- Location
- High Point NC
- Posts
- 70
MGM- Pontiac G8 GT & 99 Z28 6M
Just bought the 99 6sd car, gonna call Frost today or tomorrow.
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10-30-2017, 08:30 AM #4Senior Member
- Join Date
- Aug 2007
- Location
- Greensboro, NC
- Age
- 39
- Posts
- 1,335
Pewter- 2002 Trans Am WS6 M6
I think has to be turned off but now that I think about it I'm not sure. It's been years since I did it. I do think I had to make a note of that when asking frost to do a tune for me.
Mods - Lid, Skip Shift Eliminator, MGW shifter, UMI SFCs, Founders Lower Control Arms, Founders Panhard Bar, Founders Adj. Torque Arm, UMI Torque arm mount, MWC Drive shaft safety loop, KONI Yellows, Strano Springs, Strano Sway bars, UMI Upper and lower A Arms, 160 thermostat, TSP headers and TSP true duals Monster stage 2 clutch, racetronix fuel pump, Strange S60 rear axle and tune by Frost.
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10-30-2017, 09:33 AM #5Spaz is My Mentor
- Join Date
- Feb 2009
- Location
- Florida Man Status Acheivement
- Posts
- 11,759
Navy Blue Metallic- 98 T/A w/ mods, 00 FBVert
That's why I mention it. It's been 8yrs when I did my headers and I'm far, far from beyond being a bolt on any more.
http://www.ls1.com/forums/f7/my-6-liter-build-174257/
http://www.ls1.com/forums/f8/my-8-8-rear-build-165553/
6.0L Block - Forged 403ci
, Polluter Stg3 Cam, FAST 102mm Intake, NW102 TB, MSD wires, NGK TR6 plugs, Truck Coil Packs, LS3 Fuel Injectors, CC Pacesetter LT Headers, TS&P ORY, QTP e-Cutout, Magnaflow Muffler, 104mm Air Lid & Line Lock, Catch Can, Stage 2 T56 w/Viper shaft, PRO 5.0 Shifter, Tick MC, SPEC Stg3+ Clutch, QT SFI BH, MWC DSL, Full UMI Performance Suspension, Belstein Shocks, Hotchkis Springs (1" Drop), YR1 Snowflake Wheels wrapped in NT555 tires & Custom Fab Ford 8.8 rear w/Wavetrac Diff 3.73 Yukon Gears, WSQ Hood, 3"CM Strange Eng Drive Shaft.
00 FB Vert - Stock
78 FB - Just getting started......
Horsepower never lies, but is often lied about!
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