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| Dual exhaust - measurements? https://www.slantsix.org/forum/viewtopic.php?t=8493 |
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| Author: | '65 Dutch Dart [ Sat Feb 21, 2004 2:06 am ] |
| Post subject: | Dual exhaust - measurements? |
I'm about to put the clifford dual headers in my car and with this I have to get someone to weld me the dual exhaust under my car, I want one pipe on each side of the car at the back ( btw, would you recomend a balancer pipe?) Has anyone a shopping list like- measurement list of how long the pipes should be, straight pipes, bends, the lot,..? Where do I cross the driveshaft or gearbox? Anyone got under car photos of how their exhaust system runs? |
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| Author: | Doctor Dodge [ Sun Feb 22, 2004 8:58 am ] |
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With headers there are not a lot of options, most of the time you run both pipes down the left side then cut over to the right side just behind the trans cross member. (When possible, I like to cut over to the right side of the car as soon as possible, like between the steering centerlink and the front of the trans, this keeps the right side pipe from "trapping" the tran.) I will look to see if I have some under car PICs. DD |
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| Author: | '65 Dutch Dart [ Mon Feb 23, 2004 12:34 am ] |
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Thanks, hope you can find a picture!  The 'not wanting to trap the transmission' makes sense, good point. I can also clamp the pipe on instead of welding it, would fix this also, but if routing it in front of the trans. is easy then I'll walk that way.
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| Author: | Dartvader [ Mon Feb 23, 2004 6:18 pm ] |
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The late 70's Volare/Aspen had a single exhaust down the passenger side to make room for the catalytic converter. The header pipe went under the engine right behind the draglink, and just in front of the tranny. If you can find one, you can use it for the rear manifold head pipe, which will hook up with the stock manifold. The front one can go down the drivers side, and will have to be custom bent. The v-8 duals will fit fine from the tranny cross member on back. Order a stock V-8 muffler and tail pipe dual exhaust set, and replace the v-8 header pipes with the volare one, and the custom bent one. I had a company bend me up a set of 340 pipes leaving the front of them unbent so I could more easily adapt it to the slant at the front. They were happy to work with me on the project.Good luck. |
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| Author: | Dartvader [ Mon Feb 23, 2004 6:21 pm ] |
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I beg your pardon. I just re-read your post, and realized you are using the header, and not the Dutra duals. I think you can still start with a stock V-8 set of pipes and mufflers, and work from there. Doug's comment about not trapping the tranny is worth heeding. |
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| Author: | '65 Dutch Dart [ Wed Feb 25, 2004 12:31 am ] |
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Thanks! I took your advice and contacted the exhaustshop, they've got the specs for the '68 Dart V8's pipes(does this fit under a '65???) so this saves time a bit, but they still have to custom bend it, and also the connectionpipes to the headers. I have to put on the headers myself, hope the cliffords will fit! This is going to cost me 800 euro,... let's say US$900,-  A lot of money, but no-one will do it cheaper, they'll do a great job I'm sure. I've given myself a couple of days to decide, so any ideas on making it a lot cheaper are welcome! 
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| Author: | Dartvader [ Thu Feb 26, 2004 7:45 pm ] |
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That seems high to me. I paid $240 for the pipes and mufflers from one of the shops who advertize in Hemmings,, and installed it al myself. I would install the headers FIRST, and then the tail pipes and mufflers, and bend the header pipes to fit between the headers and the tail pipes. I cannot tell you for sure if the '68 specs are the same. The wheel base is the same for both Darts. I would think any differences could be managed without too much difficulty. Why do you have to make a decision in a couple of days? |
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| Author: | Doc [ Fri Feb 27, 2004 8:37 am ] |
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DV has the right idea, many of the pipes and mufflers can be ordered and shipped to you, then you will have to make-up a "connector" section of pipe that connects the system to the header collector(s). One "trick" I use is to bend plastic water pipe into the shape I need then take that pattrern to the muffler shop to have them bend up a piece of metal pipe. I usually get the bent section of pipe done for $10-20.00 and cut and fit it into my "home built" system. If you have the shop expand the ends of the pipe so it slips over the next section, you can use clamps to install it. DD 
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| Author: | '65 Dutch Dart [ Fri Feb 27, 2004 9:27 am ] |
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I was thinking of ordering a set, but I assumed shipping costs would be way too high ( long pipes, heavy mufflers) So getting them to bend the pipes over here seemed cheaper, I'll look into that further. About the plastic water pipe: funny- that's what the mufflershop told me to do also! Welcome to the small world of technical people! Dartvader ( BTW "Vader" means "Father" in Dutch,.. so i'll have to call you,.. Dartfather; father of all Darts?  ): I told the guy from the mufflershop that I would contact him before next week to let him know what I was going to do, just a friendly gesture from my side because he was of great help, I had him on the phone for quite a time and he really tried to help/ inform me the best he could.
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| Author: | sixty4dartgt [ Sun Feb 29, 2004 11:35 am ] |
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I thought of doing my exhaust myself, but I'm glad I didn't. I have a '64. I think it should be about the same as your '65. With the Clifford headers AND a four speed, it's VERY tight going past the "z" bar.  The muffler guy had to make his own collector for the firewall side header and face it down right away. There is also some "ovaling" to do and a dent has to be put in for the clutch pedal. After that, he stayed on the driver's side as Doc said, 'till past the tranny and then split and got the mufflers up and out of the way. One thing the guy also did was weld a "strap" with a bolt and nut right where the two pipes turn towards the back of the car. They are so close, that you want them welded so that they don't rattle against each other. The bolt and nut was put in so that I can take them apart if I have to. Total price (minus mufflers) was $250. It took the guy 2+ hrs so I'd say I got a deal. Good luck ! PM me if you want me to e-mail pics. I can't post them. 
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| Author: | Dartvader [ Sun Feb 29, 2004 3:55 pm ] |
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Thanks for the etemology of the word Dartvader. I am pretty old, but I think there are a few guys out there with some senioity on me yet. The name was originaly concieved as a vanity plate script which I never actually used. One of my Darts is black, and the name seemed like a great pun/joke for those who would see it. It has since become my screen name for several bulletin boards I participate in. I loved Doc's advice to bend plastic plumbing to pattern an exhaust bit. I have always used brake line, bat can see the plastic pipe would give a far better pattern for the guy running the pipe bender. Good luck and keep us posted. |
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| Author: | Dartvader [ Sun Feb 29, 2004 4:00 pm ] |
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By the way, it is the mufflers that are the heavy part. If you have just the pipes bend and shipped, they are not as heavy, nor as long as you might think. Then buy your mufflers locally. |
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| Author: | '65 Dutch Dart [ Sun Feb 29, 2004 4:19 pm ] |
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Hi again! Well that sounds like a plan! It is no big problem to buy a good muffler over here. Anyone got a (mail)adress of a mufflershop that might have saved the bending-specs, so I can contact them, or is somebody on this board willing to help me by getting this dual exhaust made?? I will cover expenses $$ ofcourse. Maybe there is someone out there that is about to put a dual system on his car, maybe it is cheaper for you as well if we cut the costs,.. let me know Thanks! |
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| Author: | Godspeedglen [ Wed Mar 03, 2004 10:40 am ] |
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Hey let me ask this--- Has anyone tried to use a dual inlet/ single outlet muffler? I'm wondering if using one of these would be like using a balencing pipe-- |
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| Author: | steponmebbbboom [ Wed Mar 03, 2004 4:32 pm ] |
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The third generation Camaro/Firebird used this type of muffler I believe. It mounted sideways behind the rear axle. But I think it was also dual outlet. |
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