T O P I C R E V I E W
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89goose
Member # 7196
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posted
on a 67 - w/ 351 bored .60 over ?
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FORDMAN_510
Member # 8725
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posted
2.5 its better if u had a turbo u would put 3 inch but u want more back preasure so 2.5 is good
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darkhorse04
Member # 8780
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posted
quote: 2.5 its better if u had a turbo u would put 3 inch but u want more back preasure so 2.5 is good
+1. Just make sure you use a good flowing muffler.
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1SLOWLX
Member # 558
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posted
3" let that thing breath. I had 3" on my 347 and made a big difference on the top and throughout the power band. There is no need to have to do exhaust twice just do it once and forget about it
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F.or O.nly R.eal D.rivers
Member # 8971
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posted
quote: Originally posted by darkhorse04: quote: 2.5 its better if u had a turbo u would put 3 inch but u want more back preasure so 2.5 is good
+1. Just make sure you use a good flowing muffler.
+2
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BlowN67
Member # 4229
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posted
I'm running 3" on my 67 with a 357w 1 5/8 long tubes an a custom 3" h pipe 3" flows an 2.5 tails which will be cut off for custom mandrel bend 3" tails..
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427 StRoKeR 94 GT
Member # 8722
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posted
quote: Originally posted by 1SLOWLX: 3" let that thing breath. I had 3" on my 347 and made a big difference on the top and throughout the power band. There is no need to have to do exhaust twice just do it once and forget about it
+2 let it breath more its a 351 go with 3"
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F.or O.nly R.eal D.rivers
Member # 8971
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posted
2.5" is good to like 400 horses,3 inch will probably rob some of your bottom end power.How much horsepower roughly are you gonna have?
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BlowN67
Member # 4229
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posted
with a 351w 400 hp is just arund the corner, plus the torq of the 351w u wont miss much running a 3" pipe
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89goose
Member # 7196
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posted
Thanks fellas for all the input -decided ill go with 3 inch
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BlowN67
Member # 4229
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posted
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