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Hornman
Samba Soul Surfer
Joined: April 16, 2002
Posts: 1062
Location: Ventura, CA
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 Posted: Wed Apr 29, 2015 11:11 pm Post subject: Optimum size exhaust system for 1914 in Type III |
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Hi folks. I've got a 69 Fasty with a 1914 in it. I got it this way and don't know much about the build. It's got the original heater boxes so I'm thinking it's stock exhaust. Would 1 3/8" be best? What's a good bang for the buck that is on the quiet side?
Thanks!
Michael
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Michael
1969 Fastback |
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GTV
Samba Member
Joined: March 27, 2004
Posts: 2084
Location: Si'ahl
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| Posted: Wed Apr 29, 2015 11:58 pm Post subject: |
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Gotta know the engine specs. I'd say 1 1/2"- 1 5/8" as a wild ass guess.
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jfats808
Samba Member
Joined: December 10, 2007
Posts: 5022
Location: oahu hawaii
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| Posted: Thu Apr 30, 2015 12:08 am Post subject: |
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Usually cam, cr, size and head port quality/valve size dictates exhaust size. 1914 generally benefits from using a minimum 1.5" exhaust IMO. But if you suspect it is more closer to stock components, 1 3/8".
Exhaust systems with heater boxes generally cost a pretty penny as a kit. If you want to reuse your heater boxes, you can use a bolt on system like
http://carcraftstore.com/dualtype3exhuast.aspx
No heater boxes need to get j tubes too.
Another choice
http://www.cbperformance.com/ProductDetails.asp?ProductCode=3623
Or
http://www.cbperformance.com/ProductDetails.asp?ProductCode=3605
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2276 IDA's 86C 11-1 DD !
2017 48 Trijet DRLA's W125
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You might as well put 10 year build in your bullshit sig, as it will NEVER run. Also your a dick |
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Hornman
Samba Soul Surfer
Joined: April 16, 2002
Posts: 1062
Location: Ventura, CA
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| Posted: Thu Apr 30, 2015 9:21 am Post subject: |
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Thanks guys!
Jon, that second link is for Type I. I'll snoop around; I'm sure they'll have a similar set-up for Type III.
Best,
Michael
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Michael
1969 Fastback |
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jfats808
Samba Member
Joined: December 10, 2007
Posts: 5022
Location: oahu hawaii
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| Posted: Thu Apr 30, 2015 9:51 am Post subject: |
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Yup you're right i missed that one. Try
http://www.jbugs.com/store/merchant.mvc?Screen=PRO...der-system
I put on one like that above but single muffler, on a customers typ3 square. I rebuilt his stock 1600 and put on 36 dells. He is very happy with it.
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2276 IDA's 86C 11-1 DD !
2017 48 Trijet DRLA's W125
| Rockstar Suzuki wrote: |
You might as well put 10 year build in your bullshit sig, as it will NEVER run. Also your a dick |
You can always learn something new, even from a fool.
Check your oil levels routinely! |
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Hornman
Samba Soul Surfer
Joined: April 16, 2002
Posts: 1062
Location: Ventura, CA
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| Posted: Thu Apr 30, 2015 12:31 pm Post subject: |
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Thanks again. I like your idea of 1 3/8" or larger.
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Michael
1969 Fastback |
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Hornman
Samba Soul Surfer
Joined: April 16, 2002
Posts: 1062
Location: Ventura, CA
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| Posted: Sun May 03, 2015 10:46 pm Post subject: |
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Hello again.
Is 1 3/8" the stock size? I like the idea of 1 1/2" for this 1914 Type III. But I'm having trouble finding that configuration for the Type III (with J tubes). I see it plenty for Type I... :-/
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Michael
1969 Fastback |
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Hornman
Samba Soul Surfer
Joined: April 16, 2002
Posts: 1062
Location: Ventura, CA
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| Posted: Wed May 20, 2015 10:22 pm Post subject: |
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I got what I needed at Kaddie Shack in Pasadena. Good guys. Great prices.
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Michael
1969 Fastback |
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FreeBug
Samba Member
Joined: March 12, 2012
Posts: 4278
Location: deepest, darkest Switzerland
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| Posted: Thu May 21, 2015 12:47 am Post subject: |
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| Single quiet pack is quieter than dual, FYI, as you mention wanting something quiet. |
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nobuggybob
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Joined: October 31, 2008
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Location: Monument Co.
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