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dual ex on g

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2-banger
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PostPosted: Tue Jan 22, 2013 5:33 pm    Post subject: dual ex on g Reply to specific post Reply with quote

building a..g thinking about having 2 flanges machined to bolt to hd and having exhaust shop bend 2 pipes to make dual ex...any one ever try this on a g...must give it diff sound..around here either your stock or your pulling in open class..so theres no rules saying i cant do it
 
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dboll
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PostPosted: Tue Jan 22, 2013 6:15 pm    Post subject: Re: dual ex on g Reply to specific post Reply with quote

my bet is that it will hurt performance, whereas a single pipe uses the ex pulses to induce a draft to help ex flow from each cylinder, a friend of mine went to a pretty small pipe on a good sized A and had to richen the carb. significantly
 
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FactoryFarmer
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PostPosted: Tue Jan 22, 2013 6:21 pm    Post subject: Re: dual ex on g Reply to specific post Reply with quote

dboll wrote:
(quoted from post at 19:15:14 01/22/13) my bet is that it will hurt performance, whereas a single pipe uses the ex pulses to induce a draft to help ex flow from each cylinder, a friend of mine went to a pretty small pipe on a good sized A and had to richen the carb. significantly


I did it to mine, and this G has it done to it as well......far from hurting performance....

http://www.youtube.com/watch?v=iS7kiIvp0ws
 
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2-banger
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PostPosted: Tue Jan 22, 2013 6:26 pm    Post subject: Re: dual ex on g Reply to specific post Reply with quote

very nice..i think thats probaly bigger than mine will be..lol..is this the g with turbo on it?
 
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FactoryFarmer
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PostPosted: Tue Jan 22, 2013 6:36 pm    Post subject: Re: dual ex on g Reply to specific post Reply with quote


No it's NA, 640 cubes
 
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2-banger
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PostPosted: Tue Jan 22, 2013 6:47 pm    Post subject: Re: dual ex on g Reply to specific post Reply with quote

ok..u turn alot on rpms..i have some questions if you have time email me
 
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FactoryFarmer
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PostPosted: Tue Jan 22, 2013 7:04 pm    Post subject: Re: dual ex on g Reply to specific post Reply with quote

2-banger wrote:
(quoted from post at 19:47:30 01/22/13) ok..u turn alot on rpms..i have some questions if you have time email me


delhotalfarms@gmail.com
 
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HollywoodYearwood
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PostPosted: Tue Jan 22, 2013 7:51 pm    Post subject: Re: dual ex on g Reply to specific post Reply with quote

It can be done! Ive got the only one around ga, sc with one. Want to stir up some old men, show up with a set. Haha
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JDGnut
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PostPosted: Tue Jan 22, 2013 9:27 pm    Post subject: Re: dual ex on g Reply to specific post Reply with quote

This was a pretty crude setup I built about 17-18 yrs ago... Used a 70 carb.. the right side used a factory shaped exhaust pipe.. but made out of Aluminized pipe..



 
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buickanddeere
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PostPosted: Wed Jan 23, 2013 5:58 am    Post subject: Re: dual ex on g Reply to specific post Reply with quote

you can be assured that the factory cast manifold does not use exhaust tuning like a two or four stroke tubular exhaust system.
Deere ran a two into one exhaust on the 80/820/830/840 to improve exhaust flow compared to the 70/720/730.
 
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RHBrown
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PostPosted: Wed Jan 23, 2013 6:48 am    Post subject: Re: dual ex on g Reply to specific post Reply with quote

It has been done. Uncle Buck, whom I had the pleasure of knowing, ran one of the hottest Gs you would ever want to watch. Not only did he have dual exhast he had dual carbs also. You can watch him on youtube. Unfortunetly he passed on this winter he will be sorely missed...
 
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2-banger
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PostPosted: Wed Jan 23, 2013 7:30 am    Post subject: Re: dual ex on g Reply to specific post Reply with quote

yea ive seen his g pull here at ny expo runs good
 
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2-lunger
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PostPosted: Wed Jan 23, 2013 9:55 am    Post subject: Re: dual ex on g Reply to specific post Reply with quote

I made some for my G out of 2 1/2inch alluminized tubing and run a 730 carb, sounds great and pulls great. makes good power dont know if its because of the manifold becuase I never tried a stock one.
 
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FactoryFarmer
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PostPosted: Wed Jan 23, 2013 10:57 am    Post subject: Re: dual ex on g Reply to specific post Reply with quote

RHBrown wrote:
(quoted from post at 07:48:12 01/23/13) It has been done. Uncle Buck, whom I had the pleasure of knowing, ran one of the hottest Gs you would ever want to watch. Not only did he have dual exhast he had dual carbs also. You can watch him on youtube. Unfortunetly he passed on this winter he will be sorely missed...


Do you know what he was using for carbs?
 
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Sammy G
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PostPosted: Wed Jan 23, 2013 12:32 pm    Post subject: Re: dual ex on g Reply to specific post Reply with quote

Unckel buck did not have duell exhaust only duell 51 carbs I no Robbie well!
 
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