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Old 03-30-2013, 08:01 PM   #1
TRD
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My gen-turi project

I have been reading about the gen-turi exhaust systems and decided to build one today. I read on the internet where someone said they built one for $20.00. Mine cost more than that. My parts are shown on one of the pics. The muffler parts were $20.00. The additional parts from Lowes was $40.00. So overall I have $60.00 bucks in a $120.00 system. Not too bad since I enjoyed building it too.

One thing I did learn, the distance of the gap does make a difference in how well it works. My first attempt, I had about a 2 1/2" gap and it didn't pass the tissue test. I lowered it to around a 1 1/2" and it passed the tissue test.

In my research I read a lot about people being certained about kids possible touching the metal pipe. So, since I have grandkids, I decided to wrap mine in Header Exhaust Wrap. Now, time will tell if I have created a problem by wrapping the pipe. I am concerned if this will transfer too much heat up the PVC causing it to overhead and melt. It got dark and started raining before I could properly test everything.

Overall not a hard project. Everything was done by hand (less the muffler work). No bending brakes, drill presses or special tools. It took about an hour and a half (actually 2 1/2 hours, but I had to do it twice) after rounding up all the parts.

Terry
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Old 04-01-2013, 11:47 AM   #2
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I didn't receive any comments, so this may not be of interest to the group. However, I did want to follow up with my test results. I ran the generator for about 3 hours today. The PVC got warm, but nothing I could not hold my hand to. The pipe never felt like it was getting soft (melting). The heat wrap on the metal exhaust was hot to the touch, but like the PVC, I was able to lay my hand on it without injury.

I added a cushion to the stabilizing piece of PVC (the standoff pieces between the MH and the exhaust) so the pipe would not rub the paint.

Terry
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Old 04-01-2013, 12:16 PM   #3
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I read your post yesterday, and meant to respond, but got distracted!

Looks good, and I for one, will try this.

The mod you made to cushion the leg would have been my first suggestion!
Second would be move the metal strapping attaching the pipe to the PVC to the inside of the PVC pipe to lessen the chance of a burn maybe?

Now I see why you spaced the PVC pipe so far out... to get the genset compartment door open!
I dont have that prob, as my exhaust travels about 6' rearward and attaches to the main 454 exhaust.

You can just about see it above the Banks tip in this pic..
The genset is in the compartment with the vents fwd of it.


I will have to figure out a different way to attach it to the body...
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Old 04-01-2013, 12:21 PM   #4
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I think it's great when you can build your own.
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Old 04-01-2013, 12:40 PM   #5
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Thanks and I'm going to try it as well!!
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Old 04-01-2013, 01:37 PM   #6
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Keyair, I would have routed the straps inside the PVC, but if you will notice (pics added) They are connected to a union not to the PVC directly. I needed the elbow piece to be as short as possible to fit into a bag I have for storage. By doing it this way, the elbow remains with the metal pieces and the 1st piece of PVC detaches. Granted, I can shorten the straps a few inches, which I will probable do.

I cut a circular piece of pad to fit inside the PVC and used a spray adhesive to hold it in place and then glued the circular piece to the square. That ensures it can't fall or I can't lose it . I included a pic to show the pin I installed to hold the Turi to the generator exhaust.

The suction cups seem to be holding. It has been in place now for about 5 hours in the sun. As with any project, the true test will be the first time I use it, which will be in a couple of weeks. I have a race in east Texas later this month so we shall see.

Terry
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Old 04-04-2013, 12:21 PM   #7
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Nice Work!

I never could understand why the gen exhaust on my 1986 Pace Arrow came out on the passenger side, almost under the awning when extended.
I have thought about re-routing it out the back of the unit, but never have used it in a close in situation, (race, tailgate, etc), so I can see why and overheard exhaust would be reall nice to prevent blowing your exhaust into someone elses party.
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