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| IamSteve |
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hi there just suming up over a hooker muffler or a lukey muffler both offsets. cheers in advance
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| racer |
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I have the stainless steel lukey straight through muffler. It is offset & 2.5 inch.
I also have a hot dog muffler which is straight through at the rear. Nice sound & very little drown in cabin.
_________________ FORD EL 4.0L. Crow cam, T.I Performance J3 Chip, Vernier cam gear, SPR ported head, 68mm TB, AU head gasket + ARP studs, AU injectors, Pacey 4480, High flow cat, Shift kit, Stallie, 3:73 TrueTrac. |
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| skidder |
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The hooker mufflers flow really well. On the downside they are also really loud.
_________________ 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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| MICKYYYY |
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Magnaflow sound good and flow well and i believe the Lukey is about the same, i used a Lukey on the rear and it shut it up alot.
_________________ Wanted Either Capri/Cortina/XY/XW/XR/XT with tough V8 stroker engine, auto, 9inch, upgraded brakes etc[/SIZE][/size][/color] |
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| IamSteve |
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so you guys think i should go with a lukey set up??
will im asking..this may sound abit stupid but are pacemaker comp extractors (4480)worth the extra over the 4499's..both non ceramic coated
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| racer |
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I have got the 4480 ceramic coated & YES it's worth it.
 The 4480 have been tested & flowed & are a proven power gain. 
_________________ FORD EL 4.0L. Crow cam, T.I Performance J3 Chip, Vernier cam gear, SPR ported head, 68mm TB, AU head gasket + ARP studs, AU injectors, Pacey 4480, High flow cat, Shift kit, Stallie, 3:73 TrueTrac. |
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| TimmyA |
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IamSteve wrote: so you guys think i should go with a lukey set up?? will im asking..this may sound abit stupid but are pacemaker comp extractors (4480)worth the extra over the 4499's..both non ceramic coated talking to the local motorsport boys here they are under the believe from there results that tuned length extractors work better at higher revs, while untuned extractors work better at lower revs... Hence why I own untuned extractors... Either paceys would be better than the stock manifold though...
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| skidder |
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F U C K can people who have no idea about header design stop posting bull s**t!
There are countless good threads on this site about the difference between 4480's and 4499's...one in particular had lots of good SPECIFIC information about header design (something about 'headers for low down torque', I think micky started it). And NO, having a 'tuned' or 'untuned' length system doesn't necessarily mean it is going to be better in a higher or lower rev range just because off the shelf systems tend to lean this way. If you are specifically after info about the pacemakers the 4499's are better downlow, but the 4480's will outperform everywhere else in the rev range. If you happen to get old 4480's with 38mm primaries than I would be surprised if the 4499's outperformed it at all.
_________________ 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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| TimmyA |
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Only posting what I hear from around town... If you have anymore mathematical proof on flow characteristics relating to length, radius, vacuum and pressure than what I have then I am more than happy to believe you... But it appears to me you have about as much proof as what I have... Which is word of mouth and you personal opinion...
Unless this other thread covers all mathematical aspects of making one set of extractors better than another... I'll happily read it and change my tune... skidder wrote: F U C K can people who have no idea about header design stop posting bull s**t! I didn't realise pacemaker employed you to design their extractors and you knew absolutely every possible detail about extractor design? Please provide proof what you say is 100% correct... Seeing as you know about header design an all...  Calm down... Only offering an opinion... Unlike you I don't admit you knowing everything about header design...
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| TimmyA |
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Hang on a minute...
skidder wrote: If you are specifically after info about the pacemakers the 4499's are better downlow, but the 4480's will outperform everywhere else in the rev range. timmytimtim wrote: tuned length extractors work better at higher revs, while untuned extractors work better at lower revs... I think you just agreed with me... But, I thought I didn't know anything about extractors?
_________________ 93 Red ED 5spd Manual Build Thread |
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| skidder |
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timmytimtim wrote: Hang on a minute... skidder wrote: If you are specifically after info about the pacemakers the 4499's are better downlow, but the 4480's will outperform everywhere else in the rev range. timmytimtim wrote: tuned length extractors work better at higher revs, while untuned extractors work better at lower revs... I think you just agreed with me... But, I thought I didn't know anything about extractors? You are posted something some motorsport guys said that is incorrect about extractors being better for higher revs because they are tuned length. In the case of (if you look in the quote above I said specifically for) the pacemakers the 4480's (which are classified by pacemaker as tuned length) they are better at high revs than the 4499. This does not mean 'tuned' length headers will perform better at any revs than another design that isn't 'tuned' length or vice versa. There is a lot more to header design than purely whether it is 'tuned' length. There is no point in me posting anything regarding the maths behind the design of headers as you aren't going to understand it if you don't know the theory behind it (plus I get paid for that). Sorry about the agro nature of the previous post but it just s**t me to see things covered again that have been covered and then incorrect answers given.
_________________ 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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| tony.martin11 |
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just a bit o've off-topic, hookers you can screw anyday, lukey is just gay
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| TimmyA |
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I'm happy to learn about it... And I've never seen a post on here before that covers how extractors are designed...
Of course there is much more to extractors than whether its tuned or not... You have the factors of how many primaries into the secondaries... You have the diameter of the pipe, which relates to my brief experience in aeronautical engineering (bigger pipe, same pressure, less air speed)... The maths equations for working out whats right and whats wrong would be many pages in length... But then you have to weigh up the price difference for the performance gain as well... 4499's (ebay prices) are around the 450 dollar mark and i think I saw the 4480's were like 550 bucks a couple of times (non ceramic coated)... So is the hundred dollar worth the performance gain that tuned length extractors give (plus whatever benifits they have like being tri-Y and pipe sizing differences)? For the 100 bucks your not gonna see like an extra 10rwkw over the 4499's? Surely not? Cheers, Tim
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| IamSteve |
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ok guys thanks for the help so far..i have learnt alot so far.. so im thinking of getting pacey 4480 and a hooker aero muffler and a rear res in a 2 1/2 system with a 200 cpi cat sound good?
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| paulos |
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EDITED BY TROYMAN..
comments like that are un called for!!!
_________________ God made s**t, Holden put wheels on it |
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