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Old 28-10-2006, 05:02 PM   #1
wild6
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Default Difillipo extractors on an AU V8

hi all im looking at getting a set of extractors for my AU2TE50 and at the moment im leaning towrds the difillipo's, just wondering if anyone on here is using them on their AU and what their experiences with them have been like.
regards from adam

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Old 28-10-2006, 05:27 PM   #2
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I have a set of Difillipo's on my 347 Windsor AU ute....I previously had Pacey's and now Difillipo's....to be honest I think the Pacey's had alot more down low....and it seems better up high with the Difillipo's....which make sense as my Pacey's were Tri y's and the Di Fillipo's are 4-1....I cant be sure about this as I havent had a tune done with my new exhaust....I guess when I see the dyno print out I will know for sure...I will post the results...currently it puts out around 270 rwkw (Pacey Exhaust)!!!
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Old 28-10-2006, 05:40 PM   #3
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I believe the DiFillipos have 1 3/4" primarys and a 3" collector. They are big big headers. Probably too big for a mild 302 IMO...
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Old 28-10-2006, 05:50 PM   #4
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If you speak to Chris(bluepower) he will tell you to use Pacemaker for the old windsor motor
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Old 28-10-2006, 08:35 PM   #5
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I have the difilippo's on both utes, they work very well.
I would not recomend them for a stock auto though as ive driven one and it was very doughy down low.
It all depends on the rest of the exhaust aswell.
On my manual ute, it didnt lose any torque down low at all.
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Old 28-10-2006, 11:07 PM   #6
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I have just had the passies comps fitted, i have found that i have got good power all the way throught the rev range more so when it's cold and i did change from the stock tickford headers.
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Old 28-10-2006, 11:37 PM   #7
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Quote:
Originally Posted by RspecAU
I have just had the passies comps fitted, i have found that i have got good power all the way throught the rev range more so when it's cold and i did change from the stock tickford headers.
Did you do a dyno afterwards? would be interested to see a before and after graph.
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Old 29-10-2006, 09:23 AM   #8
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Do a search & everything will be clear about which header works the best on Windsors[& its not Dpillopo's]
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Old 29-10-2006, 05:35 PM   #9
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ok cool thanx for that what do i search for exactly?
so what most people are saying is dont even bother with the pacemaker comps as it will lose too much dow low.
i alaready have a twin 2 1/2 inch cat back exhaust on and its manual thanx for the responses.
regards from adam
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Old 29-10-2006, 06:07 PM   #10
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Pacemaker comps will work quite well IMO.

They are no bigger than the pacemaker tri-y's (same 1 5/8" pri and 2 1/4" collector size), they are instead a tuned length "4 into 1" design instead of an interference "tri-y" design.
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AU XR8 Ute 13.90 @ 100mph - http://www.aufalcon.com/xr8ute
5L Windsor, GT40X heads, Crane 2030, Pacey 4-1s, Lukey 3", 3.91:1, auto. Tuned by me w/Quarterhorse and BinaryEditor.

Coming Soon: Ported lower intake, Tickford "Premium" Brakes, and a good wash.
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Old 29-10-2006, 09:43 PM   #11
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it says on the website the comps are for supercharged or worked motors
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Old 29-10-2006, 10:57 PM   #12
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Quote:
Originally Posted by wild6
it says on the website the comps are for supercharged or worked motors
Yeah, I have seen what it says.

But it is weird, because they are the same size collector, and same size primary....just different design. :
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AU XR8 Ute 13.90 @ 100mph - http://www.aufalcon.com/xr8ute
5L Windsor, GT40X heads, Crane 2030, Pacey 4-1s, Lukey 3", 3.91:1, auto. Tuned by me w/Quarterhorse and BinaryEditor.

Coming Soon: Ported lower intake, Tickford "Premium" Brakes, and a good wash.
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