stainless exhaust
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stainless exhaust
Posted: August 01 2005 10:15 AM
 
Al Christopher (aka MasterDeluxe) [ View ] [ itsa39@webtv.net ] [ Car Ads ] [ Blogs ]
Runnemede, New Jersey
 
Are there any shops that will make up mandrel bent stainless exhaust pipe ? I have been told the regular exhaust pipe bending machine cost about $5,000.00.A mandel bending machine cost about $50,000.00 .So every shop that I know of peices there stainles exhaust pipe together and welds it up and grinds the welds and polishes them.I also have hears that if you send a pattern away that there are some companies that will make up exhaust pipe that way.Also,I notice that alot of pro rod shopes use Flex-couplers in the exhaust systems.All the flex couplers that I know of have braided stainless in the center,but the two ends are regular aluminized steel.I have a peiced out system that was built in South Jersy that I am not to happy with.I wouldn't recommend tis guy to any one.Thanks.......Al C
 
 
Comments
 
Posted by Crazyhorse Rod Shop  -  07/22/2005 11:25 AM
if you want true stainless exhaust have you muffler guy bend up some cheap exhaust pipes to fit. you can then send them off to be copied but it cost a fortune. the best way is to use donuts and weld up and polish.
dont poke the porchdog........he bites [ View ] [ Email ] [ Blogs ] [ Car Ads ] BLUFF DALE, Texas Charter Member since March 2003
 
Posted by MasterDeluxe  -  07/23/2005 09:22 AM
Hey,that was great advice Shine.Yes every thing was changed,headers exhaust pipe and mufflers.I thought increasing the size of the exhaust pipe might have something to do with it.I also remembe reading where the header tubes should be no larger than the size of the exhaust valve.Any truth to that Shine ? .......Al C
MasterDeluxe [ View ] [ Email ] [ Blogs ] [ Car Ads ] Runnemede, New Jersey Charter Member since March 2005
 
Posted by JohnTMcgraw  -  07/22/2005 11:09 PM

I template mine up with 3/4" electrical EMT, and then send them off to Stainless Works to have them bent on their mandrel bender. Their price is not bad, and it saves a lot of welding and grinding! The EMT is easy to bend with a manual bender, and the pipe is so cheap that you just grab another piece if you screw up.



Regards, John McGraw

JohnTMcgraw [ View ] [ Email ] [ Blogs ] [ Car Ads ] Austin, Texas
 
Posted by Crazyhorse Rod Shop  -  07/23/2005 08:05 AM
when i'm building a car with a mild sb i alwas go 2 in to the muffler and 1 7/8 tail pipes.some customers insist on large pipes but make a dog out of their car. 2 1/4 or 2 1/2 will kill the bottom end of a street motor. i catch more hell over this . i've learned to just shut up and keep my opinon to myself. if you size down the exhaust pipes you'll find another 30 hp you did'nt know you had. john builds some damn fine cars so i would take his advice on where to get them made. but when the bench racers start telling you you have to have big pipes just shake your head and grin .
dont poke the porchdog........he bites [ View ] [ Email ] [ Blogs ] [ Car Ads ] BLUFF DALE, Texas Charter Member since March 2003
 
Posted by Crazyhorse Rod Shop  -  07/23/2005 10:29 AM

you have to build as your going to drive. get your power range between 2k to 5k . thats where you will be driving. your building a street car not a bracket racer lean tune , tight exhaust , od and gears. cant beat it.

dont poke the porchdog........he bites [ View ] [ Email ] [ Blogs ] [ Car Ads ] BLUFF DALE, Texas Charter Member since March 2003
 
Posted by sloper38  -  07/25/2005 06:52 AM
Shine and Brant, I hear echoes. I'm also tired of telling the same story. People just don't want to believe.
I'm X38 on any other sites. [ View ] [ Email ] [ Blogs ] [ Car Ads ] Sydney, Australia
 
Posted by MasterDeluxe  -  07/23/2005 07:55 AM
Thanks Shine and big Al.I don't weld.Thanks John McGraw That's the best explaination I have heard about makins a patern up.Funny thing about my stainless exhaust system.I went from 1 5/8" tube headers to Sanderson cast iron headers at the sme time I got the stainless stell exhaust.They went with 2 1/4 " exhaust into a 2 1/2 " no name stainless mufflers.After that I no longer fell the power surge of the cam between 2000-3000 RPM.No power surge.Now some what of a dog.I have been told you need some back pressure.I have a SBC 30 over 355,mild Comp cam Edlebrock performer intakeand 1406 Edelbrock carb.I am the 4th person to own it since it was built around 1990......Al C
MasterDeluxe [ View ] [ Email ] [ Blogs ] [ Car Ads ] Runnemede, New Jersey Charter Member since March 2005
 
Posted by JAWS  -  07/23/2005 02:02 PM

Engines are and air pump and what comes in must go out. Logical yes, but the internal cumbustion engine turns under it's own power. Not by and external powersource where maximum volume and the air pressure is the product desired. Like in an a shop aircompressor for example. The internal cumbustion engine is intended to provide another product, force.



Inorder to start the rotation and accelerate under load at low rpms there must be some lag/backpressure in the exhaust system so you don't loose energy by releasing the exhaust to soon, keeping the explosion in the cylinder forcing the piston down and turning the crank.



Imagine pedaling down hill on a bike, you are working but not over coming the momentum of the bike. Wasting your energy. The same energy you apply going uphill and you can tell that you are doing something.



At higher rpms you want less to no back pressure because you dont want to slow the velocity. Speed of the exhaust and the volume moving through the system has to match the volume and pressure the engine creates through the entire range of use. If you are not seeing high rpms then you don't need an exhaust system designed for that use.



Bigger is not better in this case, just like with carburation/intake volume.-Brant

An electrical headache can make a great car a pain [ View ] [ Email ] [ Blogs ] [ Car Ads ] Boise, Idaho Charter Member since August 2004
 
Posted by MasterDeluxe  -  07/23/2005 03:45 PM
Hey,that was one heck of an explaination 72 Cheyenne.I'am just guessing but I bet the exhaust system was pretty darn clos to what Shine recommended.I really liked the way it ran.The power really came on after2000 RPM.I just got tired of the dark gyey tube headers.I thought from reading the ads that the Sanderson cast iron headers that are coated would be a good long term header.Heck if we are changing that out why not go all the way and get a stainless exhaust system.So that's how it ended up.......Al C
MasterDeluxe [ View ] [ Email ] [ Blogs ] [ Car Ads ] Runnemede, New Jersey Charter Member since March 2005
 
Posted by JAWS  -  07/23/2005 11:50 PM
I was just copying shines advice, I just added words to make me sound smart...........it worked.
An electrical headache can make a great car a pain [ View ] [ Email ] [ Blogs ] [ Car Ads ] Boise, Idaho Charter Member since August 2004
 
Posted by Crazyhorse Rod Shop  -  07/25/2005 07:42 AM
i've learned to keep my mouth shut now. if they think they can build with mastercard and streetrod magazine your wasting your breath. my cars are faster, more fun to drive and make way better millage. so let them blubber around the park with their 2 !/2 exhaust and 650 avenger . from now on i'm a painter. folks dont tend to tell me how to paint. one time and they will have a paint gun in their hand i'm tired of building resto rods anyway. i want to cut something up.
dont poke the porchdog........he bites [ View ] [ Email ] [ Blogs ] [ Car Ads ] BLUFF DALE, Texas Charter Member since March 2003
 
Posted by Crazyhorse Rod Shop  -  07/25/2005 07:47 AM
paint will stay on ok. it will burn to the powercurve. i use to paint a white stipe on our header collectors. after a number of passes it would burn the stripe back. cut it off where it stopped burning and you have tuned headers.
dont poke the porchdog........he bites [ View ] [ Email ] [ Blogs ] [ Car Ads ] BLUFF DALE, Texas Charter Member since March 2003
 
Posted by Crazyhorse Rod Shop  -  07/25/2005 08:45 AM
reggie jackson got ran out of more than 1 shop . he's a checkbook builder. he read it in streetrodder so it has to be right ! this is happening more and more. theres nothing wrong with having a car built, just leave the builder alone and stop complicating things. glad i'm not one of them anymore
dont poke the porchdog........he bites [ View ] [ Email ] [ Blogs ] [ Car Ads ] BLUFF DALE, Texas Charter Member since March 2003
 
Posted by johns56  -  07/24/2005 01:31 PM
i know this is not on the subject per say but... how hot will the pipes get say from a foot or so past the headers on back. and will high temp eng. paint hold up on them?
johns56 [ View ] [ Email ] [ Blogs ] [ Car Ads ] phoenix, Arizona
 
Posted by MasterDeluxe  -  07/25/2005 08:05 AM
Hey Shine,I think you will like this one.I read it in a magazine a number of years ago.In Reggie Jackson's early years he went into an engine builders shop in Northern California to have an engine built.He starts right in telling the builde how to build the engine.The builder cut his teeth on flatheads on dry lakes before the war.Well he said to Reggie,I don't tell you how to hit a baseball,so you don't tell me how to build engines.......Al C
MasterDeluxe [ View ] [ Email ] [ Blogs ] [ Car Ads ] Runnemede, New Jersey Charter Member since March 2005
 
Posted by hotroddr  -  07/25/2005 07:55 PM
G-man, I purchased the kit you mentioned from stainless works- they sent header flanges, a bendable plastic tube, foam, and special box to ship the tubes in. I thought it was going to be a great idea- unfortunately the end product didn't fit well at all- at least it was expensive and took a couple of months to arrive. Bill
hotroddr [ View ] [ Email ] [ Blogs ] [ Car Ads ] Fort Worth, Texas
 
Posted by BigAlBre  -  07/22/2005 12:06 PM
Stainless Works has a kit that you can build your own with.... we used it on my car and it works great... if you can TIG weld you can do the whole thing..... see the article here... http://www.streetrodding.com/sr/index.cfm?fuseaction=wip.view&id=136&CFID=148721&CFTOKEN=48379372 Big Al
Big Al sittin back pickin & grinning in paradise. [ View ] [ Email ] [ Blogs ] [ Car Ads ] Saint Petersburg Beach, Florida Charter Member since June 1999
 
Posted by Stainless Works  -  08/01/2005 10:15 AM

Hi Guys



We do offer tube duplication services, but we do not offer the fit kit anymore-we can digitize from a PVC template or another tube, but if the pattern does not fit well neither will the tube we make-also, you have to make the template using the same centerline radius we bend tubing on-the centerline radius is measured from the center of each leg of a u bend. If the centerline from your pattern to the tube we bend moves in or out, it will make the pipe fit differently.



If you have any questions or we can be of help, call us on our nickel-800-878-3635.





Thanks



Al

Stainless Works [ View ] [ Email ] [ Blogs ] [ Car Ads ] Chagrin Falls, Ohio
 
Posted by gman0046  -  07/25/2005 09:35 AM
I recall an atricle that I believe was in Streetrodder magazine where a company (could have been Stainless works) where you build a cardboard tube foam filled template, then send it off to be duplicated. Does anyone remember or still have the article?
gman0046 [ View ] [ Email ] [ Blogs ] [ Car Ads ] Anchorage, Kentucky
 
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