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340 dual exhaust fit 318? #2564143
10/14/18 11:06 PM
10/14/18 11:06 PM
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Boes71conv Offline OP
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Can anyone tell me if a stock 340 dual exhaust system will attach correctly to the stock exhaust manifolds of a 318 on a 71 Barracuda? or do I need to install 340 exhaust manifolds?

thanks,

Re: 340 dual exhaust fit 318? [Re: Boes71conv] #2564150
10/14/18 11:13 PM
10/14/18 11:13 PM
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Ontario, Canada
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GVH Offline
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pretty sure you need to use 340 exhaust manifolds 71 is different than 70

Re: 340 dual exhaust fit 318? [Re: Boes71conv] #2564163
10/14/18 11:31 PM
10/14/18 11:31 PM
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AARCONV Offline
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You need 340 manifolds 340 exhaust flanges are flat, 318 are shaped like a cone..or you can custom fit or make up the front mani connection and use the rest as 340

Re: 340 dual exhaust fit 318? [Re: Boes71conv] #2564170
10/14/18 11:39 PM
10/14/18 11:39 PM
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That is what I suspected. Thanks for the feedback.

Re: 340 dual exhaust fit 318? [Re: Boes71conv] #2564293
10/15/18 10:37 AM
10/15/18 10:37 AM
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Roseburg, Oregon
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Tom Swope Offline
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Or you can order a direct bolt in 318 exhaust system from Accurate Ltd.

http://www.accurateltd.com/70-74-E-Body-Small-Block-318340360-Complete-Exhaust-Systems-_p_239.html

Re: 340 dual exhaust fit 318? [Re: Boes71conv] #2565256
10/17/18 10:17 AM
10/17/18 10:17 AM
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Talked to Accurate exhaust and they can build me one. Thanks

Re: 340 dual exhaust fit 318? [Re: Boes71conv] #2567463
10/21/18 08:52 PM
10/21/18 08:52 PM
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bboogieart Offline
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WOW, is that made out of gold?

Our local garage will make a complete dual system for about $400.oo, installed.


I have mechanical Aptitude.
I can screw up anything.






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