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| 4dlvr |
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fnp i have read many magazines that say the xr6 turbo cat back and cat are one of the best exhausts theyve ever seen come out of a factory production car, so im not suprised.
if you race your car down the quarter mile the only time your motor should be under 3500rpm with a ba i6 is the begining of first gear Munch what you dont understand is that thers not a whole lot you can do to the barra interms of modifications. they respond to mods very well. much better then older ford i6's do. a 3 inch exhaust, decent extractors and a cai should see a barra doing 160rwkw+. OBS35N there a a few members off aff that are getting buy very well with 3inch catbacks on ba's and e-series
_________________ 96 EF FAIRMONT |
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| OBS35N |
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on a NA car 3" is too big u need backpressure. 3" zrsts are for turbo cars cause they need the flow... i disagree
_________________ OBS35N is gooonnnneeee.
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| skidder |
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4dlvr wrote: OBS35N there a a few members off aff that are getting buy very well with 3inch catbacks on ba's and e-series
a 2.5in system with a good muffler and mandrel bends should easily support up to 180rwkw, and i have seen many cars with over 200 still running a 2.5in system....running a 3in system on a relatively stock I6 or even an I6 with mild work is pointless
_________________ EVL098 wrote: Cramping in the hand from having it on your Wang for an excessive period of time is a definate con. Seriously do people google "f**k up modifications for Fords owned by Jews" and get linked straight to this site nowadays? AU,factory fitted tickford kit/IRS, t5,Sports ryder/KYB: gone. |
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| Slick |
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4dlvr wrote: fnp i have read many magazines that say the xr6 turbo cat back and cat are one of the best exhausts theyve ever seen come out of a factory production car, so im not suprised. I think you've been reading to much magazines dude!
if you race your car down the quarter mile the only time your motor should be under 3500rpm with a ba i6 is the begining of first gear Munch what you dont understand is that thers not a whole lot you can do to the barra interms of modifications. they respond to mods very well. much better then older ford i6's do. a 3 inch exhaust, decent extractors and a cai should see a barra doing 160rwkw+. OBS35N there a a few members off aff that are getting buy very well with 3inch catbacks on ba's and e-series 2.5" is good for 180+ rwkw N/A, any more is a waste of money!!! besides, wheres a N/A i6 falcon on the market that revs & makes power up to 8000rpm?
_________________ Mind f**k!!! it works on feeble minded ignorant sheeples... there's plenty of em on this site... some are very intelligent but by god they are so thick!!! Pakrat wrote: You can buy them seppertly
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| FordFairmont |
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Posts: 6113 Joined: 8th May 2007 |
OBS35N wrote: on a NA car 3" is too big thats true Quote: u need backpressure.
No thats incorrect. Backpressure is a myth thats carried on from the old carbie fitted vehicles that would burn valves because they could not adjust fuel delivery when needed. The less backpressure the better !!! But yes, fitting an oversized exhaust hurts flow because of the larger area and no power to push it out meaning less velocity.... but nothing to do with backpressure.... |
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| skidder |
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FordFairmont wrote: But yes, fitting an oversized exhaust hurts flow because of the larger area and no power to push it out meaning less velocity.... but nothing to do with backpressure....
Right on the money. Greater cross sectional area means less exhaust velocity therefore causing exhaust gases to have cooled more and become more dense. The volume as air cools is also slightly less, but the density of the air has a far greater impact as the engine has to work harder to push heavier exhaust gases through the system. Keeping a smaller diameter pipe keeps velocity up, however too small and the engine will be choked.
_________________ EVL098 wrote: Cramping in the hand from having it on your Wang for an excessive period of time is a definate con. Seriously do people google "f**k up modifications for Fords owned by Jews" and get linked straight to this site nowadays? AU,factory fitted tickford kit/IRS, t5,Sports ryder/KYB: gone. |
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| fnp |
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Age: 39 Posts: 4401 Joined: 25th Mar 2005 Ride: BA XT, BA XR6T, ED Ghia 5.0 Location: Perth |
Dan, my XT had the usual breathing mods and a custom edit to make that 185rwkw. It did a 14.4 quarter mile with a shiftkitted auto and standard diff.
There's an even better reason for not getting a 3" exhaust though.. if you do get one you will have a cannon on a Falcon. 
_________________ What's the difference between a Holden and a sheep? It's less embarrasing getting out of the back of a sheep.. |
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| Dansedgli |
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Nice nice. Im still tempted to try some NA mods on my car before putting the turbo on.
He doesnt need a cannon if he gets a 3 inch exhaust. XR6 turbos dont have cannons and neither did 3 of my older turbo falcons. |
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| FordFairmont |
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Posts: 6113 Joined: 8th May 2007 |
Heres the JMM article which claims to get 180kw @ wheels from the n/a BA falcon for $2500 or 168kw @ wheels for $1500....
Note this in the article: "And the 3 inch exhaust upgrade? Well, at the time of writing, JMM were yet to see any extra power over their 2 ½ inch system. At around 180kW at the wheels, we’re told the DOHC Ford six is crying out for a new set of camshafts. JMM is currently working on this" |
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| 4dlvr |
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Slick wrote: 4dlvr wrote: fnp i have read many magazines that say the xr6 turbo cat back and cat are one of the best exhausts theyve ever seen come out of a factory production car, so im not suprised. I think you've been reading to much magazines dude!if you race your car down the quarter mile the only time your motor should be under 3500rpm with a ba i6 is the begining of first gear Munch what you dont understand is that thers not a whole lot you can do to the barra interms of modifications. they respond to mods very well. much better then older ford i6's do. a 3 inch exhaust, decent extractors and a cai should see a barra doing 160rwkw+. OBS35N there a a few members off aff that are getting buy very well with 3inch catbacks on ba's and e-series 2.5" is good for 180+ rwkw N/A, any more is a waste of money!!! besides, wheres a N/A i6 falcon on the market that revs & makes power up to 8000rpm? where did i say that a na i6 is making 8000rpm??? i have seen a few ba i6's with 3 inch exhausts and spoken to the owners. unlike you im not just stating my opinion. has anyopne actually tried a 3inch on a barra?????i just had a look on jimmocks website and he also uses a 3inch exhaust on the more powerful packages that he has
_________________ 96 EF FAIRMONT |
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| Slick |
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4dlvr wrote: Slick wrote: 4dlvr wrote: fnp i have read many magazines that say the xr6 turbo cat back and cat are one of the best exhausts theyve ever seen come out of a factory production car, so im not suprised. I think you've been reading to much magazines dude!if you race your car down the quarter mile the only time your motor should be under 3500rpm with a ba i6 is the begining of first gear Munch what you dont understand is that thers not a whole lot you can do to the barra interms of modifications. they respond to mods very well. much better then older ford i6's do. a 3 inch exhaust, decent extractors and a cai should see a barra doing 160rwkw+. OBS35N there a a few members off aff that are getting buy very well with 3inch catbacks on ba's and e-series 2.5" is good for 180+ rwkw N/A, any more is a waste of money!!! besides, wheres a N/A i6 falcon on the market that revs & makes power up to 8000rpm? where did i say that a na i6 is making 8000rpm??? i have seen a few ba i6's with 3 inch exhausts and spoken to the owners. unlike you im not just stating my opinion. has anyopne actually tried a 3inch on a barra?????i just had a look on jimmocks website and he also uses a 3inch exhaust on the more powerful packages that he has figure of speech! if you were driving 220kmph all day then a 3" is justifiable! 
a matter of fact, I get my exhaust done by a guy here thats installed & specialist in on & off road really {TARGA}. he said a 3" is a complete waste of money for any long stroke N/A i6. the 3" jjn package you read is to target young & naive kiddies, big market these days if you wanna up size your order! 
_________________ Mind f**k!!! it works on feeble minded ignorant sheeples... there's plenty of em on this site... some are very intelligent but by god they are so thick!!! Pakrat wrote: You can buy them seppertly
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| 4dlvr |
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Slick wrote: figure of speech! if you were driving 220kmph all day then a 3" is justifiable! a matter of fact, I get my exhaust done by a guy here thats installed & specialist in on & off road really {TARGA}. he said a 3" is a complete waste of money for any long stroke N/A i6. the 3" jjn package you read is to target young & naive kiddies, big market these days if you wanna up size your order! yet he has the fastest na aussie six cylinder. i think he knows what hes doing a tad more then you do buddy
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| Darkr |
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4dlvr wrote: many people have gotten good gains from a 3 inch, just remember its a ba so it should be capeable of about 140rwkw Many make more then that bog stock, mine did. 4dlvr wrote: imagen how much you wouldve made with a 3inch????  ild say anything exeding 160rwkw deservs a 3inch exhaust. Imagine how much better you're posts would be if you could type! What the hell would you know anyway? 4dlvr wrote: most cars these days have shorter gearing then standard Falcons aren't one of them, you can do over 90km/hr in first gear in a four speed auto. 4dlvr wrote: lets face it theres not much mods you can do the the barra i6 but they respond very well to minor mods. make the most of it and get a 3 inch. trust me you wont regret it Wrong, trust you? some 18 year old kid? tell me, why should we trust you? OBS35N wrote: 3" is too big for an NA car i agree that you dont know what ur on about 4dlvr It isn't for these, many people are running the xr6t cat back which is 3.2inch. Dansedgli wrote: He doesnt need a cannon if he gets a 3 inch exhaust. XR6 turbos dont have cannons and neither did 3 of my older turbo falcons. That was called sarcasm. 4dlvr wrote: yet he has the fastest na aussie six cylinder. i think he knows what hes doing a tad more then you do buddy
and a damn lot more then you! |
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| TwinturboBMX |
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Blah blah blah blah, get over it 4dlvr, i reccomend just going to a few local exhaust places and asking what they have as their best reccommend system for a BA N/A six, they are really helpful and will offer you a range of products etc.
I got a qoute on one for a 2.5" cat back with 2 mufflers from 3 shops all stating and qouting the same sort of system. All said single muffler on a twin cammer is just too stupid, sounds rediculous.
_________________ 17" Tezza Steelies, King F**king lows, pedders sports ryders, 2.5" cat back exhaust, pacemaker extractors, T5 manual
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| Slick |
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4dlvr wrote: Slick wrote: figure of speech! if you were driving 220kmph all day then a 3" is justifiable! a matter of fact, I get my exhaust done by a guy here thats installed & specialist in on & off road really {TARGA}. he said a 3" is a complete waste of money for any long stroke N/A i6. the 3" jjn package you read is to target young & naive kiddies, big market these days if you wanna up size your order! yet he has the fastest na aussie six cylinder. i think he knows what hes doing a tad more then you do buddy
_________________ Mind f**k!!! it works on feeble minded ignorant sheeples... there's plenty of em on this site... some are very intelligent but by god they are so thick!!! Pakrat wrote: You can buy them seppertly
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