i sean this on ebay and it works for the 1996 so why wount it fit 1990-1994 proteges.
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yea, im also wondering what would have to be swapped over so we can bolt on an UDP.
JACK.-Jack
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91 626 LX - basically stock and pretty slow still
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i am pretty sure the 96 escort had the bignose crank or viceversa....mods: engine: fm stroker lightened and knifedged crank, 11:1, custom crank scraper, fully p&p head and intake mani, bored throttle body, flowed and matched stock injectors, rx7 vaf, apexi safc, gude race cams, modded ecu 8200 fuel cutoff, blaster coil, clutchmasters stage 3 clutch, fidanza fly wheel and timeing gears, msp diff, custom shortram in a cold air box
suspension: s/r struts intrack springs and intrax sway bars 15x6.5 rims kumho mx tires 205 50 r 15Comment
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The pulley it self is completely different from the other years. 96 also didn't use V belts either.Originally posted by escortkidComment
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i wonder if the 96 UD pully will fit a gtr engine... i hear they dont use v-belts either. i'll find out tomorrow :D
-jonEscort GTR -- 11.87 @ 117.6 mph -- 320 HP / 325 Ft. Lbs. @ 23 PSI
... The first FWD BG with a Toyota E153 transmission conversion in the USA!
Looking for BP x Toyota E153 adapter plates? PM me or contact me on Facebook: Riel Performance PartsComment
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Don't waste your time with one unless you want a possible blown up motor from the oil pump going which had happend to ALOT of miata guys who used a UD pulley!Originally posted by therieldeal
PS: Isn't the GTR motor gonna make enough power? I mean comeon. You need to run a UD pulley to make a few more hp too?! lol**SOLD** 93 EGT with more suspension mods then your average riced out civic's # of decals + useless "bling/style/culture" mods!
**SOLD**
95 EGT New beater! And gawd damnit shes NOT pink!
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The UD pulley is a waste of time, there are better mods you could be doing.Comment
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I'm sure Jon isn't going to waste his time slapping a UDP on.Originally posted by Tazman2Don't waste your time with one unless you want a possible blown up motor from the oil pump going which had happend to ALOT of miata guys who used a UD pulley!
PS: Isn't the GTR motor gonna make enough power? I mean comeon. You need to run a UD pulley to make a few more hp too?! lol
He's just going to find out what kind of belts the BP-D uses, and is just finding any way possible to brag about having the engine.
FYI: If you have your internals balanced when installing the UDP, you shouldn't have any problems.Comment
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well it looks like a wast of time to mess with.Comment
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UDP + turbo = dead oil pump = dead engine
The Miata guys have been having trouble with them around the 200hp mark on n/a engines. They're trying to get a LtWt crank dampener made with not much success.
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why not just do what im going to have done when i get the time.....
if you don't have p/s or a/c you could just have the outter belt groove machined off. then get it balanced. the issue with the oil pumps is not the lightened weight but the smaller diameter of the pulley the make sit spin to fast. ligthening some thing make sit easier to spin. changing the rotating mass is what screws with the rest of the system.
NEUMANComment
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neuspeedescort thats good idea i might have to do that cause i dont have P/S A/C.Comment
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i have a pulley for my 323 im going to test it on. i mean the only thing there is a the alternator so the rotating mass stays the same. thus not causign any charging issues. after thinking about this a little more the under drive pulley in noway shape or form should cause issues with the oil pump. the crank pulley has nothing to do with the oil pump. your crank is going to spin at the same ratio. its just the assecories that will change when a UDP is applied to the system. thou with the lighter stuff it will want to rev faster. just like a lightened flywheel. but not hurt anything.
NEUMANLast edited by neuspeedescort; 10-02-2006, 02:56 PM.Comment
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From what i recall the miata guys said that the fact that it doesn't have a dampner built into it (the rubberized parts) the oil pump more or less ends up having to absorb the vibrations and it just goes boom. BTW do you NEED to cut off the extra non used part if you remove the a/c and/or p/s? I didn't on neither one of my cars and no issues.Originally posted by neuspeedescort
**SOLD** 93 EGT with more suspension mods then your average riced out civic's # of decals + useless "bling/style/culture" mods! **SOLD**
95 EGT New beater! And gawd damnit shes NOT pink!Comment
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Nope, the issue with the oilpumps is the UDP's don't have the rubber dampener portion. As small as it is it's still effective. w/o the dampener the crank harmonics would rattle the oil pump gears and destroy them, and then the engine. That's why the Miata guys had the hardened oilpump gears made. And that's why they're trying to get an UD dampener made. Only a problem with turbo or +200bhp n/a engines.Originally posted by neuspeedescort
And how does lightening a rotating part NOT change it's rotation mass?
no, you don't have to cut off that part. does a pulley from a non-AC/PS car fit?Comment
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