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02-16-2007, 11:14 AM
| #11 |
| Senior Moderator  Join Date: Apr 2006 Location: Texas
Posts: 9,525
  | you make an excellent point and as i said earlier, i have not done homework on it. there are alot of unknown factors at play. will this be the only mod?? is there already mods on it?? what brand and type system is he looking at?? the chero i had had a h pipe design and to me, it was useless. i dont believe i gained anymore power out of the big block with the taller cam. the old nova had duals with turndowns with no cats or mufflers and i think had alot more power than the clevland had. true, that is like comparing apples and oranges. would keeping the factory pipes in fact be the best avenue or would there be something else that can be installed that would be a noticable gain to the engine?? |
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02-16-2007, 11:20 AM
| #12 |
| Senior Member  Join Date: Feb 2007 Location: Texas
Posts: 79
| according to what i have read the best gains to be had are intake, cat back, and a power programmer. you have to go with major mods after that. and you start to actually lose power unless you have the capability to change each aspect of the pcm. |
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02-16-2007, 12:39 PM
| #13 |
| Senior Moderator  Join Date: Apr 2005 Location: Texas
Posts: 3,789
| Yeah I guess I'm just thinking about what I would do if it were my vehicle. There would be alot more mods 
__________________ John Wayne 2000 F-350 7.3L Powerstroke 4x4 |
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02-16-2007, 12:50 PM
| #14 |
| Senior Member Join Date: Nov 2006
Posts: 90
| i don't want to take over this thread or anything but it is an exhaust question. i have a 96 gmc 1/2 with teh 5.7 and i want to do duals, do i need to put cats on it or will it be fine and not throw any codes without? |
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02-16-2007, 12:54 PM
| #15 |
| Senior Moderator Join Date: Apr 2006 Location: Texas
Posts: 9,525
| your 96 should have cats on it already. if memory serves me right, your o2 sensors, or sensor, is before the cat so you should be alright. |
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02-16-2007, 01:25 PM
| #16 |
| Senior Member  Join Date: Feb 2007
Posts: 64
| So either totally change the exhaust system or do nothing at all huh? 
__________________ 2005 SIlverado 4.8 |
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02-16-2007, 03:07 PM
| #17 | |
| Senior Moderator Join Date: Apr 2005 Location: Texas
Posts: 3,789
| Quote:
__________________ John Wayne 2000 F-350 7.3L Powerstroke 4x4 | |
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02-16-2007, 03:52 PM
| #18 |
| Senior Member Join Date: Feb 2007
Posts: 64
| so just a new catback system? 
__________________ 2005 SIlverado 4.8 |
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02-16-2007, 05:19 PM
| #19 |
| Senior Moderator Join Date: Apr 2005 Location: Texas
Posts: 3,789
| yeppers, should be all you need.
__________________ John Wayne 2000 F-350 7.3L Powerstroke 4x4 |
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02-16-2007, 05:34 PM
| #20 |
| Senior Member Join Date: Feb 2007
Posts: 64
|  will this void warruntee ? any recommendations? what exactly would this do?
__________________ 2005 SIlverado 4.8 |
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