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ocwd Member
Joined: May 14, 2007 Posts: 721 Location: Placentia, CA
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Posted: Fri May 28, 2010 8:22 am Post subject: More Progress |
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Thanks guys. I have found 3 types of brass reducing 90 fittings in my stash of fittings. All came from the same purchase of surplus USMC M38A1 parts (mostly A1 parts). I am guessing that the two on the left are correct for use with the oil sending unit and the one on the right goes some where on the venting system. Has any one seen these fittings that can shed some light on correctness?
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ocwd Member
Joined: May 14, 2007 Posts: 721 Location: Placentia, CA
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Posted: Sat Jun 05, 2010 5:52 pm Post subject: Center Exhaust & Muffler |
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I am installing the center exhaust pipe and muffler but it looks like they are approximately 1 or 2 inches off causing the muffler end to sag to the rear leaf spring. How much pressure can I apply to the exhaust? I don't want to brake the stud on the exhaust manifold. Do I need to heat up the center exhaust pipe? Also, does anyone have a clear picture of how the muffler support bracket mounts?
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53a1 Member
Joined: Jun 25, 2008 Posts: 583 Location: Kern Co.
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Posted: Sat Jun 05, 2010 7:19 pm Post subject: |
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Hey Dave.
I just installed the exhaust pipe I got from you on my A1 and ran into the same problem using the same MW Military down pipe you are using. The MW Military down pipe is a nice unit and this is no big deal. I've read that even the original didn't fit perfect.
I installed the u tube to the manifold and put a block of wood between the u tube and the brake master cyl and bent it over to the driver side by hand but it looks like yours doesn't need that. To be honest yours looks like it is fitting very nice. Clamp it all down and when it heats up the stresses should be eliminated.
You have the mount bracket installed just fine. A bolt goes through the clamp that holds pip to the mount. Use an all metal self locking nuts and stainless bolts. If you have to pull the center pipe over a little to get it to line up that is no big deal. It's not going to be a perfect fit and if you have to pull things and inch or two I wouldn't worry about it. You just want to make sure you have proper clearance going over the trans mount which I see you do.
I'll snap a picture if my camera is still working. |
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53a1 Member
Joined: Jun 25, 2008 Posts: 583 Location: Kern Co.
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Posted: Sat Jun 05, 2010 7:52 pm Post subject: |
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ocwd Member
Joined: May 14, 2007 Posts: 721 Location: Placentia, CA
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Posted: Sat Jun 05, 2010 10:45 pm Post subject: Center Exhaust & Muffler |
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Thanks for the info and pictures Dave. I was using steel nuts and bolts with lock washers but I will switch to stainless and lock nuts.
I had a pretty good run over the past two weeks and made some progress. I will be working on the front bumper after the exhaust is done. The front bumper needs some straightening but it is solid. |
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53a1 Member
Joined: Jun 25, 2008 Posts: 583 Location: Kern Co.
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Posted: Sat Jun 05, 2010 10:54 pm Post subject: |
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I used stainless but this is not original. You can use what you have and it will work fine. |
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ocwd Member
Joined: May 14, 2007 Posts: 721 Location: Placentia, CA
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Posted: Sun Jun 06, 2010 7:13 am Post subject: bolts |
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I think stainless is a good idea for the bolts that hold the pipes together. I'll leave the others as I will be painting them. I am told that the paint on the brackets is going to char anyway so I am not really worried about it. Where did you buy your muffler Dave? |
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53a1 Member
Joined: Jun 25, 2008 Posts: 583 Location: Kern Co.
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Posted: Sun Jun 06, 2010 10:42 am Post subject: |
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The muffler came with the Jeep. I sand blasted it and painted it with high temp primer and Duplo flat Aluminum color paint from Autozone. The center pipe I got from you is zink coated and the MW Military u-pipe is Aluminum coated so I didn't paint those parts. |
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wesk Site Administrator
Joined: Apr 04, 2005 Posts: 16250 Location: Wisconsin
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53a1 Member
Joined: Jun 25, 2008 Posts: 583 Location: Kern Co.
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Posted: Sun Jun 06, 2010 11:22 am Post subject: |
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And to give MW Military the credit they deserve, the NOS center pipe could be the item that needs to be bent a little to fit not the MW Military u-pipe.
The Midwest u-pipe is very high quality in my opinion.
I bought an off shore pipe, two radiator hoses from Surplus Jeep Parts and it was all a total pile of S*IT. To top it off I had to pay shipping to return ALL items because nothing fit so basically I will not buy anything from overseas unless I have to so MW has most of my business. |
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ocwd Member
Joined: May 14, 2007 Posts: 721 Location: Placentia, CA
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Posted: Sun Jun 06, 2010 12:18 pm Post subject: Oil Pressure Fittings |
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Ha, I guessed wrong on the 90 elbow. I picked the center one. I have 3 of those and they are all from the same parts run.
I originally purchased off-shore pipes as well. I never did try and fit them in place as they look cheap. The center exhaust and u-pipe are both from MW. My muffler is an import. When I called MWM they told me that there really is not a good reproduction muffler on the market.
So far I have not purchased anything from Surplus City Jeeps Parts. They seam to be expensive. |
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wesk Site Administrator
Joined: Apr 04, 2005 Posts: 16250 Location: Wisconsin
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ocwd Member
Joined: May 14, 2007 Posts: 721 Location: Placentia, CA
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Posted: Sun Jun 06, 2010 3:56 pm Post subject: OP Sender |
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Thanks Wes. I stuck that 3" nipple in there just to show which end is which. Here is a picture of where I am at on the OP sender. I put a coat of black paint on the other style cast elbow as mentioned above because I plan on switching them out. My OP sender mount bracket does not appear to be lining up very well with the sender. It is a repro from MWM. I think that it may be the elbow as the two are slightly different. I did finally find a 1" nipple at a local ACE Hardware.
Last edited by ocwd on Sun Jun 06, 2010 9:29 pm; edited 1 time in total |
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ocwd Member
Joined: May 14, 2007 Posts: 721 Location: Placentia, CA
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Posted: Sun Jun 06, 2010 9:27 pm Post subject: Center Exhaust & Muffler |
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Well, here is my cheap muffler probably made in China. Check out how far it points down. I measured about 3.5" between the tail pipe end of the muffler and the rear cross member. The center exhaust pipe is bolted in nice and tight. I am still afraid to pull that thing up to strap it on.
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53a1 Member
Joined: Jun 25, 2008 Posts: 583 Location: Kern Co.
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Posted: Mon Jun 07, 2010 2:06 pm Post subject: |
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Dave,
That looks way to off to be pulled back into position. I thought you were talking about the picture of the center pipe mount when I said to do that.
I hate to say it but that exit pipe looks like it needs to be cut, twisted and re-welded.
If you have a mig welder it wouldn't be that hard but you shouldn't have to fix a new part. |
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