straight pipes
Postmaster
Joined: Feb 2000
Posts: 2,759
Likes: 2
From: Auburn,Al
Originally posted by 99xlt4.04x4
And to 85351ho, what else are you going to use old drive shafts for? At least we get some use out of 'em.
And to 85351ho, what else are you going to use old drive shafts for? At least we get some use out of 'em.
Posting Guru
Joined: Apr 2003
Posts: 1,067
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From: Fairbanks Alaska
OK, if the drive shafts are close to the same thickness as exhaust pipe how will it sound different. Remember, when you hit a drive shaft there are no open holes in each end.
Also, before jumping into running straight piping you have to think about the diameter of the pipe. This is not a case where bigger is better. A 3 inch straight pipe on say a 351 that isn't making 300+hp is not a winning idea. You need a certain amount of back pressure. You also need to have pipe small enough that forces the exhaust to move at a rapid pace. If the pipe is to big it won't flow fast enough to pull out the air from the next stroke. To big the air slows down to much. Torque is lost along with HP.
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Also, before jumping into running straight piping you have to think about the diameter of the pipe. This is not a case where bigger is better. A 3 inch straight pipe on say a 351 that isn't making 300+hp is not a winning idea. You need a certain amount of back pressure. You also need to have pipe small enough that forces the exhaust to move at a rapid pace. If the pipe is to big it won't flow fast enough to pull out the air from the next stroke. To big the air slows down to much. Torque is lost along with HP.
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Senior User
Joined: Sep 2002
Posts: 181
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From: Gananoque, Ontario
i have seen quite a few home made exhausts and i have never seen a driveshaft converted mainly due to weight
i would recomend going to your local steel yard and geting some lighter pipe if thats your goal but why would you want a 4-5" exhaust they you will be looking like all the stupid imports and j-bodys wwith fart cans
straight pipes are nice but a nice flowing tuned system is SWEET and you will keep some bottom end torque
Joe
i would recomend going to your local steel yard and geting some lighter pipe if thats your goal but why would you want a 4-5" exhaust they you will be looking like all the stupid imports and j-bodys wwith fart cans
straight pipes are nice but a nice flowing tuned system is SWEET and you will keep some bottom end torque
Joe
Posting Guru
Joined: Dec 2003
Posts: 1,006
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From: Coastal North Carolina
Drive shafts are made from different tempered steel than exhaust pipe. And if you say it cuts power your wrong. the back pressure you need is still maintained by the headers. The mustang i saw them on had the power to prove they work. And it sure wans't a 351.
Posting Guru
Joined: Dec 2003
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From: Coastal North Carolina
I didnt make this up. But if you dont thik it will work then tell him something that will. I was just putting it out there for some creative person to use. If everny truck was the same how fun would that be? I guess you think parts all have only one use. I bet you used duct tape for stuff other than duct work. When something new and original comes along you automatically assume it wont work. Well, this time your wrong.
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Post Fiend
Joined: Sep 2000
Posts: 8,238
Likes: 3
From: Oregon
Originally posted by 99xlt4.04x4
I didnt make this up. But if you dont thik it will work then tell him something that will.
I didnt make this up. But if you dont thik it will work then tell him something that will.
Nobody said it wouldn't work, just that it was a dumb idea.
Lead Driver
Joined: May 2000
Posts: 9,236
Likes: 12
From: Senoia, GA
lol
, no one said you made this up and it is a very interesting idea....very creative! but d/s's are expensive! if it were me i would sell them and get some money saved up to do it right! maybe it is just me but i thought the whole first page was full of useful, knowledgeable ideas...again that's prolly just me
-jason-
ps...keep your pants on.....it's just the internet
, no one said you made this up and it is a very interesting idea....very creative! but d/s's are expensive! if it were me i would sell them and get some money saved up to do it right! maybe it is just me but i thought the whole first page was full of useful, knowledgeable ideas...again that's prolly just me-jason-
ps...keep your pants on.....it's just the internet
Thread Starter
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Freshman User
Joined: Jun 2003
Posts: 30
Likes: 0
fellas, fellas! lets all calm down. first of all, im not even sure this will work. or if i will try it. but it is a creative idea, which i like. if people didnt do this type of dumb sh#t then there wouldnt be any fun in building up trucks. maybe its cuz im a country boy, but i like to build my own sh#t. so you city ladies can continue going to the closest fast jimmys repair shop and leave that kid alone. not tryin to start trouble but kinda gets me fired up when people call fabrication ideas dumb. kinda defeats the purpose of it. think about it. would we even be doin straight pipes if one day someone didnt hack off a muffler or two. anywayz, lets all jus settle down 
Post Fiend
Joined: Sep 2000
Posts: 8,238
Likes: 3
From: Oregon
Originally posted by sasnaker
but i like to build my own sh#t. so you city ladies can continue going to the closest fast jimmys repair shop
but i like to build my own sh#t. so you city ladies can continue going to the closest fast jimmys repair shop
Secondly, I can only infer that you are talking about fishy and me...which is pretty funny in and of itself. A quick look at my rigs can tell even a blind fellah I'm an old hand at serious fab work. Never lived in a city and never let anybody else work on my piles except for the exhaust guy (occasionally) and alignment guy (occasionally). Point is, I LIKE people to think out of the box, and I LIKE innovative fab ideas. Farbeit for me to call somebodies fab idea dumb, unless....well.......its DUMB!
Whats the big deal about this? Do it if you want, or don't. I could care less if you have driveshafts hanging off of your headers. Maybe you could run them through your hood like zoomies...that would be a hell of a thing.
Senior User
Joined: Dec 2003
Posts: 120
Likes: 0
From: IL
Originally posted by proeliator
Maybe you could run them through your hood like zoomies...that would be a hell of a thing.
Maybe you could run them through your hood like zoomies...that would be a hell of a thing.
by the way has anyone here done that. through their hood i mean. could be cool...if its done right of course
Lead Driver
Joined: May 2000
Posts: 9,236
Likes: 12
From: Senoia, GA
Originally posted by proeliator
Never lived in a city and never let anybody else work on my piles except for the exhaust guy (occasionally) and alignment guy (occasionally).
Never lived in a city and never let anybody else work on my piles except for the exhaust guy (occasionally) and alignment guy (occasionally).
)actually the Pro 105 tube bender and lincoln wire welder really help to keep me out of the exhaust shop (when i ain't running straight pipes
) and i do my own alignment since it is very simple with the Dana 60 frontend. Although I am about to rebuild my motor and will have to use a mchine shop, it will be the first time i will have to take it somewhere
.otherwise..... RIGHT AWN PRO
, hehe!-jason-