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Jul 8, 2009, 01:59 PM
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#1
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Evolved Member
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oil pump walked in housing
hey, i just had a issue where i got a odd noise and a bad oil leak. i tore the covers and tbelt off and found that the oil pump gear had walked toward the crank. has anyone else had this problem and is their any fixes so this wont happen again. i will post more pics as soon as i take it out. sorry for the bad cell phone pics.
the upper left side is where it rolled and the lower right now has a gap that the oil comes out.
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br hta37r, br stage 4 boltons, kelford 280 cams,jam lifters, supertech duel valve springs, ti retainers, nit valves, ported and polished runners by me, ported and polished intake and exhaust mani by me, br ported throttle body, , ross custom banodized pistons, manley i-beam rods, 100mm crank
568hp 460tq at 30psi on the stock ecu tuned by ivey!!!
Last edited by wevo1985; Jul 8, 2009 at 02:51 PM.
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Jul 8, 2009, 02:22 PM
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#2
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OMG! I wanna see pics. How tight was your timing belt?
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He who said that there is no replacement for displacement didn't know pkZIP. :p
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Jul 8, 2009, 02:54 PM
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#3
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Quote:
Originally Posted by Ev0ikon
OMG! I wanna see pics. How tight was your timing belt?
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it wasnt tight past what it should be. ive done alot of tbelts and ive done them to tight before and you get a bad vibration. car was fine. ive done this belt so many times it only took me 15 mins to take everything off and find the leak.
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br hta37r, br stage 4 boltons, kelford 280 cams,jam lifters, supertech duel valve springs, ti retainers, nit valves, ported and polished runners by me, ported and polished intake and exhaust mani by me, br ported throttle body, , ross custom banodized pistons, manley i-beam rods, 100mm crank
568hp 460tq at 30psi on the stock ecu tuned by ivey!!!
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Jul 8, 2009, 03:43 PM
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#4
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How crazy is that! Doesn't that balance shaft have another bearing on the inside?
How many miles did you have on what oil pump?
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He who said that there is no replacement for displacement didn't know pkZIP. :p
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Jul 8, 2009, 04:15 PM
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#5
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Quote:
Originally Posted by Ev0ikon
How crazy is that! Doesn't that balance shaft have another bearing on the inside?
How many miles did you have on what oil pump?
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about 70k on the pump. and i dont have the balence shafts. i also dont think it would make a difference as the shaft is on the next gear above, that is driven by the one that walked.
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br hta37r, br stage 4 boltons, kelford 280 cams,jam lifters, supertech duel valve springs, ti retainers, nit valves, ported and polished runners by me, ported and polished intake and exhaust mani by me, br ported throttle body, , ross custom banodized pistons, manley i-beam rods, 100mm crank
568hp 460tq at 30psi on the stock ecu tuned by ivey!!!
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Jul 8, 2009, 08:04 PM
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#6
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bump, any help!!! i could use any info before i put the new parts in and it happens again.
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br hta37r, br stage 4 boltons, kelford 280 cams,jam lifters, supertech duel valve springs, ti retainers, nit valves, ported and polished runners by me, ported and polished intake and exhaust mani by me, br ported throttle body, , ross custom banodized pistons, manley i-beam rods, 100mm crank
568hp 460tq at 30psi on the stock ecu tuned by ivey!!!
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Jul 8, 2009, 08:12 PM
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#7
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http://http://www.amsperformance.com/ams_balance_shafts.php[/url] read this
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Jul 8, 2009, 08:21 PM
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#8
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Quote:
Originally Posted by wevo1985
hey, i just had a issue where i got a odd noise and a bad oil leak. i tore the covers and tbelt off and found that the oil pump gear had walked toward the crank. has anyone else had this problem and is their any fixes so this wont happen again. i will post more pics as soon as i take it out. sorry for the bad cell phone pics.
the upper left side is where it rolled and the lower right now has a gap that the oil comes out.
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So you used a stub shaft and you want to know why it ate through the case?
Because you used a stub shaft, period.
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2005 Evolution VIII MR
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10.19 & 143.3mph stock ECU
Factory ECU Expert
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www.ttp-engineering.com
(407) 475-0010
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TUNING EVO V - EVO X & 2009 RALLIART!
TTP's Myspace page!
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Jul 9, 2009, 03:03 PM
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#9
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^ How many of this type of failures have you seen? I am not questioning your conviction. This is the first I have seen.
Guess I should keep an eye on my stub shaft too.
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He who said that there is no replacement for displacement didn't know pkZIP. :p
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Jul 9, 2009, 03:43 PM
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#10
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Quote:
Originally Posted by TTP Engineering
So you used a stub shaft and you want to know why it ate through the case?
Because you used a stub shaft, period.
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if this is true than their would be more cases like this and no one would sell the sub shafts. do you think its possible that maybe the pump went bad?
__________________
br hta37r, br stage 4 boltons, kelford 280 cams,jam lifters, supertech duel valve springs, ti retainers, nit valves, ported and polished runners by me, ported and polished intake and exhaust mani by me, br ported throttle body, , ross custom banodized pistons, manley i-beam rods, 100mm crank
568hp 460tq at 30psi on the stock ecu tuned by ivey!!!
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Jul 10, 2009, 01:32 PM
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#11
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AMS proved stub shafts can do this, check out their balance shaft
"replacing the front balance shaft with a stub shaft will increase the chances of oil pump failures. This is likely caused by eliminating the support provided by the rear bearing journal. A stub shaft allows the oil pump gears to push apart and wear into the aluminum pump. Aluminum that is being worn away will enter the clean oil stream and contaminate the engine bearings. Eventually this can result in the oil pump seizing."
see not stubby
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Jul 10, 2009, 01:42 PM
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#12
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+1 sorry about your issue...no stubby shafts.
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Jul 10, 2009, 02:04 PM
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#13
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what's the limit for stock oil pump for evo8?
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Jul 10, 2009, 02:07 PM
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#14
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Quote:
Originally Posted by EVO(boss)
what's the limit for stock oil pump for evo8?
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549.9457whp and 486.947391tq
__________________
2005 Evolution VIII MR
763whp/595tq HTA86
10.19 & 143.3mph stock ECU
Factory ECU Expert
2008 Evolution X GSR
12.0@113mph Full Wt+
In House Mustang Dyno AWD-500!
www.ttp-engineering.com
(407) 475-0010
AIM=TTPEngineering
MODIFYING THE 4G63 SINCE 1995, YES 14 YEARS!
TUNING EVO V - EVO X & 2009 RALLIART!
TTP's Myspace page!
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Jul 10, 2009, 02:17 PM
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#15
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Great! Now I got one more thing to worry about.
__________________
He who said that there is no replacement for displacement didn't know pkZIP. :p
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06, 2003, change, dsm, evo, evo8, gasket, install, installation, long, oil, pump, removal, replacement, works  |
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