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4499's have made my car slower i think 

 

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 Post subject: 4499's have made my car slower i think
Posted: Sun Jun 27, 2010 9:36 pm 
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i got pacemaker 4499's fitted the other day to my el and i cant say iv noticed any power differences at all and perhaps even has made it a bit slower. its hard to tell but there is definatley no noticable gains. does this sound normal? i already had a 2.5" catback fitted
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 Post subject: Re: 4499's have made my car slower i think
Posted: Sun Jun 27, 2010 9:37 pm 
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i thought mine made it quicker but i reckon most was placebo cos i had a hi flow cat done at the same time, so exhaust was much deeper and louder which made it feel faster haha

 

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4: EB2 Fairmont. 5spd,2.5" zorst,hi-flow cat,extractors,wade977b,j3, plus a 152dB 200psi train horn

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 Post subject: Re: 4499's have made my car slower i think
Posted: Sun Jun 27, 2010 9:39 pm 
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Give it some time, after the computer adjusts itself fully to them theres a difference there, though, I would say after fitting those 4499's to my xr6 that it is definately not a good bang for buck mod. Also made the car sound like s**t

 

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 Post subject: Re: 4499's have made my car slower i think
Posted: Sun Jun 27, 2010 9:41 pm 
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wait till they carbon up
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 Post subject: Re: 4499's have made my car slower i think
Posted: Sun Jun 27, 2010 9:48 pm 
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duderat wrote:
i got pacemaker 4499's fitted the other day to my el and i cant say iv noticed any power differences at all and perhaps even has made it a bit slower. its hard to tell but there is definatley no noticable gains. does this sound normal? i already had a 2.5" catback fitted





I highly doubt it.

before and after time slips will show. if the MPH is higher its making more power.

 

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 Post subject: Re: 4499's have made my car slower i think
Posted: Sun Jun 27, 2010 10:53 pm 
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Why does everyone think extractors give you like 20kw.
There good for what half that maybe less.

You should notice the car revs out cleaner.
Is a little better on fuel.
Drives better both straight and in bends and has a little more power.

I also got 4499s fitted 2 days ago and noticed exactly what I thought I would.
Its an exhaust mod.
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 Post subject: Re: 4499's have made my car slower i think
Posted: Sun Jun 27, 2010 10:59 pm 
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i found that when i went from std manifold to extractors, that i had lost a little bit of down low torque, but gained more in the mid range and top end..

but the more intake,head,cam/engine mods you do the exhaust will compliment them giving you the gains expected
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 Post subject: Re: 4499's have made my car slower i think
Posted: Sun Jun 27, 2010 11:03 pm 
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I ran my xh xr6 ute down the quarter with only cat back exhaust and then fitted 4499's and went from 15.65 to 15.00 and picked 6mph too..

Phill
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 Post subject: Re: 4499's have made my car slower i think
Posted: Sun Jun 27, 2010 11:14 pm 
Getting Side Ways
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Taxi 5l.
Did you have a slower 60ft time?
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 Post subject: Re: 4499's have made my car slower i think
Posted: Sun Jun 27, 2010 11:22 pm 
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stock EL would make about 105rwkw and i made 127rwkw with full exhaust 2.5" with high flow cat and 4480's, they do make a fair increase. You probably cant tell because the car revs up alot smoother now

 

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 Post subject: Re: 4499's have made my car slower i think
Posted: Sun Jun 27, 2010 11:23 pm 
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87SIlude wrote:
Taxi 5l.
Did you have a slower 60ft time?


about the same or touch quicker from memory but in a ute it's a fine line anyway between a half good launch and tyre smoke..
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 Post subject: Re: 4499's have made my car slower i think
Posted: Sun Jun 27, 2010 11:24 pm 
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Really. That much.
I Shoulda put I high flow cat in.
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 Post subject: Re: 4499's have made my car slower i think
Posted: Sun Jun 27, 2010 11:29 pm 
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I fitted a 2nd hi flow cat too forgot that bit but felt quicker straight away too but mostly in the topend of the rev range
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 Post subject: Re: 4499's have made my car slower i think
Posted: Sun Jun 27, 2010 11:31 pm 
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i wasnt expecting it to turn the car into some sort of hectic street machine, but was just thinking a bit more good would come from it. i have noticed it revs a bit cleaner. not sure what "carboning up" is but i have heard it thrown around a bit so we will wait and see :)
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 Post subject: Re: 4499's have made my car slower i think
Posted: Mon Jun 28, 2010 2:01 am 
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duderat wrote:
i wasnt expecting it to turn the car into some sort of hectic street machine, but was just thinking a bit more good would come from it. i have noticed it revs a bit cleaner. not sure what "carboning up" is but i have heard it thrown around a bit so we will wait and see :)


If your getting a cam and headword then go the pacemaker's, But from experience if you want the engine left stock your better off with a 2.5" sports exhaust and a 2.5" 200CPI cat and you will still have that get up and go of the lights too 60-75km/hr!!!!!!!!

 

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Last edited by EL___Fairmont on Mon Jun 28, 2010 10:36 am, edited 1 time in total.

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