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Australian Falcons Discuss the australian born and bred models here. Includes the 80's 90's and present day Falcons offered by Ford Oz.

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Old 06-17-2003, 05:36   #1 (permalink)
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Simple Mods

Has any one done before and after tests (dyno or 1/4 mile) for cheap mods like intakes,extractors , timing,ect?
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Old 06-17-2003, 06:18   #2 (permalink)
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V8 or I6
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Old 06-17-2003, 16:21   #3 (permalink)
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Well I have dyno and 1/4 mile "before" values and have done CAI and K&N but as yet no "after" values. Sorry.
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Old 06-17-2003, 16:39   #4 (permalink)
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It`s a bouncing baby 4.0
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Old 06-17-2003, 18:27   #5 (permalink)
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I haven't done dyno figures but I've felt the total lack of difference one brand + design of extractors made vs the very noticeable improvement a different brand + design made.

In short there are improvements to be had but you need to be careful what you get.
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Old 06-17-2003, 21:22   #6 (permalink)
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Extractors are all very simular.
Ask a guy at a shop to lay some out next to each other and youll see what i mean.

Yet to dyno my car also
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Old 06-17-2003, 22:18   #7 (permalink)
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Extractors can actually vary quite greatly in design and configuration - ie. they can have different diameter pipes, the primaries and secondaries can be different lengths and their configuration can vary - as in you can get 2 sets of 3 pipes that go into two larger ones or you can get 3 sets of 2 pipes that go into 3 larger ones (or straight into one large one) etc. etc.

As I said, some designs work but others don't - I have felt the immediate difference of changing one set of extractors which never did feel like they made any difference with another set which imediately made a NOTICEABLE difference! Rule of thumb I gather is that to actually feel a difference it needs to be something like 4 or 5 Kw?
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Old 06-17-2003, 22:54   #8 (permalink)
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EDFUTURA, What type do you have?
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Old 06-17-2003, 23:39   #9 (permalink)
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Quote:
Originally posted by EDFUTURA
Rule of thumb I gather is that to actually feel a difference it needs to be something like 4 or 5 Kw?

No offence, but what people feel is crap, what figures people get is fact.

Your 'feeling' that increase in power was probably totally psychological...
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Old 06-18-2003, 02:55   #10 (permalink)
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Nope - I'm an aircraft engineer (ie, somewhat analytical and critical) and have also done heaps of work on this car - some things have yielded noticeable result, others haven't - I trust my ability to "feel" whether there are actual results or otherwise.

As a matter of interest I never felt any improvement in power with fitting a K&N panel filter either - and when I replaced that with a pod inside the airbox I think there MIGHT have been a barely perceptible improvement - but not enough that I'd actually state that "it made an improvement".

I've also gotten a definite improvement in fuel economy with these new extractors - that's something both myself and my wife have seen, not just "perceived".

EB4ME - The extractors I've got now are Pacemakers with 402 stamped on the flange - don't know if that's any help? They have 2 sets of 3 primaries which go into 2 secondaries which then meet pretty much right at the flange where the rest of the system bolts on. I don't know what the other set were - they had 3 sets of 2 primaries going into 3 short secondaries that went into one at the joiner flange (that flange was up much closer to the side of the engine too - ie. as opposed to the Pacemakers which have the flange pretty much under the driver's feet) - they actually looked quite a bit better and more "business like" than these Pacemaker ones do - but right from the day I got them I felt no improvement whatsoever - but as I said, these Pacemakers did make an immediate and NOTICEABLE difference.
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