Exhuast ????? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Truword1 · 01-24-2007, 08:47 AM

Hey Guys, I'm going to take my truck to get my exhuast done but I wanted to ask if it was a good idea to drive my truck 8 miles to get it done running straight headers. I know that it will be loud as hell but my concern would be is it engine safe or will it cause any harm to anything. Thanks you help would be appreciated.

JD

ClassicRedneck05 · 01-24-2007, 08:52 AM

Quote:

Originally Posted by Truword1

Hey Guys, I'm going to take my truck to get my exhuast done but I wanted to ask if it was a good idea to drive my truck 8 miles to get it done running straight headers. I know that it will be loud as hell but my concern would be is it engine safe or will it cause any harm to anything. Thanks you help would be appreciated.

JD

well i actually drove mine 34miles with strait headers on it at the time and i never had any other problems with my 350 but i wish i could give a for sure answer for u maybe i just got lucky

**Yukon Jack** · 01-24-2007, 10:09 AM

That drive won't cause you any engine trouble.

jimmydean · 01-24-2007, 12:24 PM

Not to say it's a good idea, but a friend of mine ran open headers for a little over a week before he got his exhaust done.

He finally got a bad enough headache from the noise

Brad · 01-25-2007, 03:32 AM

Running without exhaust doesn't hurt anything at all- it's shutting the engine off that creates the problems. My understanding is that the cool air cools the valves off too fast and cracks them. But I think that really becomes an issue when you're doing highway miles and high rpms for a long period of time. 8 miles shouldn't be a big deal.

RACINJASON22 · 01-25-2007, 04:39 AM

Me being one so to speak or used to be any how. Circle track guys run open headers all the time. I ran open or at least very short pipes most of the seven years that I raced. Brad does have a point with the cold air though most circle track stuff goes on in the warmer weather. if you have a concern there just form some kind of temperary plug to put in the back of the header when you stop it will only need to be there for a short time.

**jerry moss** · 01-25-2007, 10:49 AM

22 years in the same muffler shop and i've had countless people drive their vehicles in with open headers without any problems. if you're concerned you can stuff a plug in the header outlet as soon as you shut it off---just be sure to tell the shop you put a plug in there.

454_72_4X4 · 01-25-2007, 11:29 AM

Quote:

Originally Posted by jerry moss

just be sure to tell the shop you put a plug in there.

Truword1 to exhaust shop owner...

Hey, what's up with my truck. It started, wheezes a couple times, then died...

Longhorn Man · 01-25-2007, 11:20 AM

I drove a car for over a year with nothing but a manifold. Road trips, cold ohio winter nights, summer time, rain, shine, never an issue... other than hearing loss.

Bishops Trucks · 01-25-2007, 12:14 PM

I never had a problem doing it. 8 miles is nothing with open headers. Just make sure you have an apointment with the shop and have there phone # in your pocket to hand the cop when you get pulled over. Atleast thats how it works in my town in Virginia.

Spray-Bomb · 01-25-2007, 03:15 PM

Drove mine with open header to the muffler shop (about 5 miles) with no problems, just make sure that there is no wires or anything in the way of the heat

matthufham · 01-25-2007, 06:59 PM

all my friends drive with dumps (inline 6 f150, 89 v6 camaro, 99 v8 ram, some year mazda 626) i think they all wanted to be like my loud truck with cut outs because it's so loud. it doesn't hurt anything but i wouldn't drive like that in cold or wet weather. cold air can rush up the pipe as mentioned and crack your exhaust valves, and also moisture can get in there and rust out your valves or your whole engine if you have real bad luck.

Texasdeere · 01-25-2007, 07:32 PM

The last time I drove to the muffler shop with just open headers I bolted on the collector reducers before heading over. This seemed to reduce the noise by about 15-20%. However most everyone probably already does this anyway.

JAKES 68GMC · 01-26-2007, 05:00 PM

You should be fine, I ran my GMC off the manifolds with no trouble. Sounded damn good, too.

01-24-2007, 08:47 AM	#1
Truword1 Registered User Join Date: Dec 2006 Location: Arizona Posts: 23	Exhuast ????? Hey Guys, I'm going to take my truck to get my exhuast done but I wanted to ask if it was a good idea to drive my truck 8 miles to get it done running straight headers. I know that it will be loud as hell but my concern would be is it engine safe or will it cause any harm to anything. Thanks you help would be appreciated. JD

01-24-2007, 10:09 AM	#3
Yukon Jack Post Whore Join Date: Feb 2000 Location: Rose Hill, KS, USA Posts: 12,684	Re: Exhuast ????? That drive won't cause you any engine trouble. __________________ 1970 Blazer with a 400 sbc and 4" lift 1980 Pontiac Trans Am, 455 Oldsmobile 2012 Kawasaki Concours 14

01-24-2007, 12:24 PM	#4
jimmydean Registered User Join Date: May 2005 Location: Beaverton, OR Posts: 3,728	Re: Exhuast ????? Not to say it's a good idea, but a friend of mine ran open headers for a little over a week before he got his exhaust done. He finally got a bad enough headache from the noise

01-25-2007, 03:32 AM	#5
Brad Out of the carpool lane. Join Date: Jan 2000 Location: Clark Co, WA Posts: 5,673	Re: Exhuast ????? Running without exhaust doesn't hurt anything at all- it's shutting the engine off that creates the problems. My understanding is that the cool air cools the valves off too fast and cracks them. But I think that really becomes an issue when you're doing highway miles and high rpms for a long period of time. 8 miles shouldn't be a big deal. __________________ 1968 C-10 SWB, 5.7 Vortec/700R4/3.73 posi, Torch Red 1968 Camaro, 250/Powerglide, all original (No, I'm not gonna drop a 350 in it!...Jeez!) 2000 Honda VFR in the faster yellow! 2008 Husqvarna TE-610 1967 C-10 SWB 'Six Appeal'-Gone but not forgotten...

01-25-2007, 04:39 AM	#6
RACINJASON22 GEARHEAD Join Date: Jan 2007 Location: CENTRAL,PA Posts: 2,284	Re: Exhuast ????? Me being one so to speak or used to be any how. Circle track guys run open headers all the time. I ran open or at least very short pipes most of the seven years that I raced. Brad does have a point with the cold air though most circle track stuff goes on in the warmer weather. if you have a concern there just form some kind of temperary plug to put in the back of the header when you stop it will only need to be there for a short time. __________________ 72 SWB 2WD MY PROJECT 72 LWB 4X4 FUTURE PROJECT SUBSCRIBE HEREBOARD VENDORS HERE NORWOOD MEET SURVIVOR! Last edited by RACINJASON22; 01-25-2007 at 04:40 AM. Reason: spelling

01-25-2007, 10:49 AM	#7
jerry moss Born Psycho Join Date: Feb 2001 Location: brentwood,cal,usa Posts: 4,915	Re: Exhuast ????? 22 years in the same muffler shop and i've had countless people drive their vehicles in with open headers without any problems. if you're concerned you can stuff a plug in the header outlet as soon as you shut it off---just be sure to tell the shop you put a plug in there. __________________ jerry moss 72 cheyenne super K20- tilt,tach,vacuum,speedwarning,buckets,shoulder belts,am/fm,tow hooks,bumper guards,toolbox,aux. fuel tank,posi front and rear,plus other goodies!!! SOLD 69 suburban K20-tilt,tach,vacuum,speedwarning,buckets,shoulder belts,am/fm,4 inch all spring lift,4 speed, 14 bolt full floater, dana 44 HD,warn winch,posi front and rear,tow hooks,plus other goodies. 73/80 chevy/gmc K20 SB400,turbo 400,205,tilt,a-c,gas hog. 77 K/5 cheyenne blazer-daily driver/beater. SON HAS IT NOW BRENTWOOD,CALIFORNIA

01-25-2007, 11:20 AM	#9
Longhorn Man its all about the +6 inches Join Date: Jan 2001 Location: Hilliard Ohio Posts: 2,693	Re: Exhuast ????? I drove a car for over a year with nothing but a manifold. Road trips, cold ohio winter nights, summer time, rain, shine, never an issue... other than hearing loss.

01-25-2007, 12:14 PM	#10
Bishops Trucks KEEP ON TRUCKIN' Join Date: Jun 2005 Location: Sterling, Va. Posts: 5,731	Re: Exhuast ????? I never had a problem doing it. 8 miles is nothing with open headers. Just make sure you have an apointment with the shop and have there phone # in your pocket to hand the cop when you get pulled over. Atleast thats how it works in my town in Virginia. __________________ JIM '97 GMC Sierra K1500 '95 Chevy Silverado C1500 '71 Cheyenne Z71 / LT1 & 4-Speed SWB K/10 Father/Son Project http://www.youtube.com/watch?v=4l689JKXPnA http://67-72chevytrucks.com/vboard/payments.php "LIVIN' FREE FOREVER"

01-25-2007, 03:15 PM	#11
Spray-Bomb Texas Big Wig Join Date: Jan 2007 Location: Mineola, Texas Posts: 5,620	Re: Exhuast ????? Drove mine with open header to the muffler shop (about 5 miles) with no problems, just make sure that there is no wires or anything in the way of the heat __________________ Just not low enough... ----------------------------- Sinister Killer

01-25-2007, 06:59 PM	#12
matthufham Registered User Join Date: Feb 2005 Location: Carl Junction, Missouri Posts: 2,061	Re: Exhuast ????? all my friends drive with dumps (inline 6 f150, 89 v6 camaro, 99 v8 ram, some year mazda 626) i think they all wanted to be like my loud truck with cut outs because it's so loud. it doesn't hurt anything but i wouldn't drive like that in cold or wet weather. cold air can rush up the pipe as mentioned and crack your exhaust valves, and also moisture can get in there and rust out your valves or your whole engine if you have real bad luck.

01-25-2007, 07:32 PM	#13
Texasdeere Registered User Join Date: Sep 2006 Location: League City, Texas Posts: 732	Re: Exhuast ????? The last time I drove to the muffler shop with just open headers I bolted on the collector reducers before heading over. This seemed to reduce the noise by about 15-20%. However most everyone probably already does this anyway. Last edited by Texasdeere; 01-25-2007 at 08:32 PM.

01-26-2007, 05:00 PM	#14
JAKES 68GMC Aluminum slot wheels rule... Join Date: Jan 2006 Location: Maine Posts: 6,212	Re: Exhuast ????? You should be fine, I ran my GMC off the manifolds with no trouble. Sounded damn good, too.



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