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Computer download question

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Old Jan 11, 2015 | 03:44 PM
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Default Computer download question

I bought an 04 RK Custom, previous owner had a set of Hooker Tuneable exhaust put on but doesn't know about any FI upgrade.

Is there anyway I can tell if the computer has been upgraded or not?

JP
 
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Old Jan 11, 2015 | 05:07 PM
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Did it also have an aircleaner change to an SE or the like? Back then, with pipes and AC only, quite often dealers merely did a stage 1 download with no other tuner. If it gets hooked up to a DT at the dealer, they will be able to tell if there was a download. If it runs good and plugs look good, I wouldn't worry about it. When you go to further upgrade, buy a tuner.
 
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Old Jan 11, 2015 | 05:35 PM
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Yes it does have an non-stock air cleaner. It has no back plate and a tapered K&N style filter element.


It does run great, sounds very deep and growly with those Hookers. The only thing that concerns me is that it crackles and pops a lot on decel. Is that normal?
 

Last edited by jpekarek; Jan 11, 2015 at 05:40 PM.
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Old Jan 11, 2015 | 05:40 PM
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Check the plugs. See what they look like. Crackle and pop could be a leak or it could be a tuning issue.
 
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Old Jan 11, 2015 | 07:22 PM
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how high will it rev?- I think the limit was set at 5500 on that model ( or maybe 5800)...if it revs to 6K then you know a download has been applied.
 
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