3rd gen Engine/Drivetrain Engine/Drivetrain Modification Discussions for 1999-2003 Models Only (BJ chassis)

underdrive pulley

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Old March-29th-2003 | 12:52 AM
  #16  
walight01
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Re: Re: Thanks you idiots

Originally posted by Chastan


Time and time again it has been proven that TheMAN knows what the **** he's talking about.

Some of the Mazdaspeed folks are gonna do it. Search over at http://www.msprotege.com



P.S. The miata engine is in some first and second gen proteges
but it doesn't tell me if it affects the 2.0 protege which is what my initial question was
Old March-29th-2003 | 01:16 AM
  #17  
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Re: Re: Re: Thanks you idiots

Originally posted by walight01
but it doesn't tell me if it affects the 2.0 protege which is what my initial question was
I know. But I just felt like being a nit-picker, sorry

edit: err well the MSP folks are 2.0 also. Is there anything on the other forum?
Old March-29th-2003 | 01:38 AM
  #18  
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since some people didn't make sure of the search feature on the miata board nor actually account for the fact that all mazda 4 bangers are laid out the same even if they are different families or internals........

the oil pump is driven directly off the crankshaft... that's right, it is splined into the crankshaft snout itself and the crank pulley rests right next to it... with the absence of the harmonic balancer from the pulley, it will cause premature wear and tear to the oil pump itself which will eventually fail on a boosted mazda piston engine... why? the secondary vibrations inherent in a 4 banger changes as piston/rod/crank load changes which will in turn results in different load stresses incomparison to an engine that will barely go over 1 bar manifold pressure (if well tuned)... these load stresses have different effects on components under those conditions... something that I can't explain because I'm not an engineer and it will most likely be mathematic
Attached Thumbnails underdrive pulley-oilpump.jpg  
Old March-29th-2003 | 01:45 AM
  #19  
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the man nailed it, also here is a thread on the silly forum, started reading but my eyes are tired, don't think it's BS but it could be

edit nah just search that forum yourself
better yet just listen to the man
Old March-29th-2003 | 01:50 AM
  #20  
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UDPs were regarded as "redneck tuning" for the longest time, from the old domestic muscle car hot rod days till now... and still is... serious domestic tuners have avoid it until they got really bored after maxing out their engines and wanted to have fun with a few more hp and blowing their **** to pieces
Old March-29th-2003 | 03:01 AM
  #21  
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Originally posted by Chastan
the man nailed it
better yet just listen to the man
Ed if you are ever stressing for some head, give Chastan a call...

ha, just kiddin'...never seen you praised like this...Usually its people saying "why the **** are you so mean to me and make me feel like worthless, tasteless, ignorant cauliflower??"...
Old March-29th-2003 | 03:13 AM
  #22  
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from what i found on the miata forum earlier, they said that on a turbo miata the oil pump went in 2k miles, but it cont to said that a N/A miata hadn't had problem with it yet. thats what the search button found me
Old March-29th-2003 | 03:14 AM
  #23  
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Originally posted by Installshield


Ed if you are ever stressing for some head, give Chastan a call...

ha, just kiddin'...never seen you praised like this...Usually its people saying "why the **** are you so mean to me and make me feel like worthless, tasteless, ignorant cauliflower??"...
Old March-29th-2003 | 03:19 AM
  #24  
walight01
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Originally posted by Installshield


Ed if you are ever stressing for some head, give Chastan a call...

ha, just kiddin'...never seen you praised like this...Usually its people saying "why the **** are you so mean to me and make me feel like worthless, tasteless, ignorant cauliflower??"...
thats only b/c he explained how it works instead of the normal responce..


FAQ
Old March-29th-2003 | 03:36 AM
  #25  
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if the info was found on the board or the faq, then I would have told y'all to look there

Originally posted by walight01


thats only b/c he explained how it works instead of the normal responce..


FAQ
Old March-29th-2003 | 05:30 AM
  #26  
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I know nothing about harmonic balancers, but is that apart of the orginal stock pulley? And if so is there a way you could ad it onto the UDP? I am really sorry if this question is retarded.
Old March-29th-2003 | 11:18 AM
  #27  
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I don't have a turbo Miata or a Dinan BMW, although the information was very interesting.

I have come to the conclusion that for every step forward this forum takes, it also takes two steps backward.

What Walight and myself are looking for is people who have actually done this and have the experience to share with all of us. What we are not looking for is "use the search button" and "you guys are morons", which seems to be the standard response around here.

If you are not PRACTICING it, then do not PREACH it. Theories are good, but real world experience is better.

"Thank you, drive through!"

Karen

p.s. ROCK ON TURBOZX3
Old March-29th-2003 | 11:22 AM
  #28  
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so who's willing to be the first guinea pig to test out a UDP on the 2.0 FS engine????

come on guys/gals, have some *****!
Old March-29th-2003 | 12:09 PM
  #29  
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Originally posted by TheMAN
if the info was found on the board or the faq, then I would have told y'all to look there

Old March-31st-2003 | 08:00 AM
  #30  
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I should have my pulley on by this weekend...heard nothing but good things from a couple of Protege5 and MP3 owners I've talked to who have it installed. I'll keep everyone posted but not interested in the bitch sessions...or hear about how I'll blow my engine.


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