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Under hood mufflers (D21)

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Bryan View Drop Down
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Joined: 12 Sep 2009
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Bryan Quote  Post ReplyReply Direct Link To This Post Topic: Under hood mufflers (D21)
    Posted: 02 Oct 2012 at 11:41am
We have acquired the blue prints to the D21 under hood muffler. It's supposed to be 8 inches round. My question is, would it hurt anything if we went 7 inches round. Trying to keep the heat away from the fresh paint. Also, anybody else interested in one? Don't know the cost yet.

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dpower View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote dpower Quote  Post ReplyReply Direct Link To This Post Posted: 02 Oct 2012 at 11:46am
i would be let me know
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Luke R. View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Luke R. Quote  Post ReplyReply Direct Link To This Post Posted: 02 Oct 2012 at 12:44pm
I would be interested if was the proper size. You could always put some heat deflecting tape on the bottom side of the hood. Pullers use it i know. Imo
4-7030's,170G,220FWA,3-220's,210,D21II,D21I industrial,2-200's,3-190's,175D,2-D19D's,D19G,WD45,WD,CA,2-UCont.,5015FWA,917,B110,Gleaner F
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SteveM C/IL View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote SteveM C/IL Quote  Post ReplyReply Direct Link To This Post Posted: 02 Oct 2012 at 1:26pm
Not too practical to offer 2 sizes. I think if I was going to the trouble to acquire blueprints and build one,I'd make it like OEM. It should satisfy the purest and there can't be many others needing one. What I'm saying is,if I wanted a muffler for that app,I'd want the original thing even if it wasn't the smartest design.
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TerryMO View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote TerryMO Quote  Post ReplyReply Direct Link To This Post Posted: 02 Oct 2012 at 1:47pm
Bryan,  we would be interested in 2.  I have a old one if you need any sizes.   Thanks Terry
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dustinmo View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote dustinmo Quote  Post ReplyReply Direct Link To This Post Posted: 02 Oct 2012 at 6:34pm
if they are repos of the orig I would be interested in one as well
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DarrylinWA View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DarrylinWA Quote  Post ReplyReply Direct Link To This Post Posted: 03 Oct 2012 at 7:00am
Keep it 8 inches. I had to modify one since I could not find a original for my Industrail. I put Heat sheild and Insulation under the hood of my D 21l.
 
Thanks for sharing and keep us posted.
 
Darryl
B 10 Custom. Serial # 1001 D21, First D21 built 69 #4498 and Last D 21 Built #4609. 1946 MM UTU. And 2000, 2005 Pete's. AC custom Hauling.
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