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TLZone Commercial Vendors.
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05-21-2009, 02:28 PM
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#81 (permalink)
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Silver Subscriber
Member #5251
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jagboy1
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Quote:
Originally Posted by cyclecamper
That's not very encouraging. I will be running aftermarket cams which probably have steeper ramps, and the stainless valves don't weigh signficantly less. I have stiffer valve springs, which may help prevent float, but which also might stress the buckets more. I guess it all depends on exactly WHY the buckets fail. Perhaps the bottom line is that I won't be able to increase the redline. Did the problem engine have its soft-limiter wire from the ECU cut (raises redline a little)?
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tls so no soft limit... 
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TL1000SV(97),tlr motor with 1040 bore kit,,radiused inlets,flowed heads,modded airbox with tlr bell mouths,k & n filter,,,57mm downpipes with matching one off cans, + and ground mods.pc3 with custom map,six pots with braided hoses,gsxr radial front end, ohlins rear shock,tlr swingarm,metzeler racetecs(rear 190/55/17)two teeth up on rear sprocket. 
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05-21-2009, 02:29 PM
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#82 (permalink)
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Silver Subscriber
Member #5251
Posts: 2,355
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jagboy1
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Quote:
Originally Posted by pad
I think we have a problem of to much oil and no whare for it to go.
The main oil drain back port for the front exhaust valves is masked by
A cylinder head bolt.
Given the angel the head sites at , a large pool of oil must form around the valve springs.
If that pool of oil gets deep enough then you could end up with hydraulic lock on the bucket.
Well before a total lockup the bucket would be under substantially higher load
Just pumping oil
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very possible......more wheelies then 
__________________
TL1000SV(97),tlr motor with 1040 bore kit,,radiused inlets,flowed heads,modded airbox with tlr bell mouths,k & n filter,,,57mm downpipes with matching one off cans, + and ground mods.pc3 with custom map,six pots with braided hoses,gsxr radial front end, ohlins rear shock,tlr swingarm,metzeler racetecs(rear 190/55/17)two teeth up on rear sprocket.
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05-21-2009, 02:38 PM
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#83 (permalink)
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The Suck, Squeeze, Bang, Blow Moderator
Member #2130
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Sam
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This is the bucket that was next to the one that failed, not many miles behind was it 
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05-21-2009, 04:42 PM
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#84 (permalink)
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The Ring-In
No longer a rain god
butI'm still a C***and a
tool
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I've written a heap on these including graphs and analysis of the camshaft dynamics ,
I'm actually wondering if its cause the bucket is partially submerged in oil and this restricts its reaction.
the damage is without doubt caused by impact and that requires the bucket to stop following the cam and then be struck by the lobe. so what is there that is different between the front ex cam and the rear if not oil .
I think the fix is to uprate the springs initially but better cams would be the actual fix.
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Cheers Stu
Quote:
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Got to love the Zone, where else can you get Zen levels of wisdom and your ECU remapped, all for free
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.....133bhp 
oggi knobs. anodised barends, polished and machined GSXR1000 top triple with Helibars, single 7' headlight. arrow cans, custom rear peg mounts, white power shock and spring centre mounted on R swing arm, painted frame, polished lower gsxr1000 triple,K7 gsxr1000 forks, hugger, undertail, clear tail light lens, PC 11 , modded airbox, K&N air filter, radial calipers, braided front lines, polished rims and black painted wheel spokes, fan override switch , TRE, tank bra, american high capacity battery, gsxr1000 front guard. tlr gauges, rifleman CCC ,van reservoirs,custom overflow bottle, ducati 999 curved radiator, conventional mirrors, machined and polished clutch pressure plate, welded clutch cam mechanism. stainless brake rotor bolts. ring-in stainless exhaust bolts with brass nuts.
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05-21-2009, 06:25 PM
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#85 (permalink)
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Silver Subscriber
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cyclecamper
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...or improved oil drain-back.
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It's about control skill; this is a motorized dance for joy and not Russian roulette.
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05-22-2009, 03:52 AM
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#86 (permalink)
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Gold Subscriber
Member #3439
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pad
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Sam can you have a look at the oil flow restrictor for the front cylinder.
I am wondering if the O ring is sealing correctly.
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05-22-2009, 04:16 AM
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#87 (permalink)
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The Suck, Squeeze, Bang, Blow Moderator
Member #2130
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Sam
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Quote:
Originally Posted by pad
Sam can you have a look at the oil flow restrictor for the front cylinder.
I am wondering if the O ring is sealing correctly.
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The engine was put back together with some spare parts in the middle of a grassy showground to get Jugulator back home
The O ring on the flow restrictor would make very little difference if it failed as the jet is a pretty close fit anyway.
I think you may have a point with the oil been a contributing factor as the front exhaust are the only buckets that could potentially collect oil within them. The drains from the heads into the cam chain voids are pretty open so I doubt there is a problem of flooding as there is nowhere near enough oil directed there to be a problem.
I thought about the buckets filling with oil making them heavier to move by the cam and causing stress but only the inlet cam above the exhaust could provide that oil to get thrown into the buckets but again in nowhere near enough quantity. |
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05-22-2009, 04:33 AM
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#88 (permalink)
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Gold Subscriber
Member #3439
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pad
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At 80 psi it doesn’t take a very big hole to let a heap of oil through
The drain from the head to the cam chain void is masked by a cylinder head bolt.
At the angel the front head sits at you would get a deep pool of oil under the bucket
The extra load could be caused by the valve spring having to displace the oil from between its coils As it is compressed
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05-22-2009, 05:54 AM
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#89 (permalink)
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The Suck, Squeeze, Bang, Blow Moderator
Member #2130
Posts: 9,825
Join Date: Mar 2004
Location: York, Ooop North in England
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Life Wasted on TLZone: 2 Months, 4 Weeks, 1 Day and 3:03:17 Hours
Sam
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The clearance around the oil jet is far to slim for a split O Ring to escape from, as best even with no O Ring (from a dodgy rebuild) I would guess maybe 20% more oil, but I've never come accross any signs of split O Rings on my engines.
You could be right about the head bolt, I'd need to have a head in front of me to look |
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05-24-2009, 10:53 AM
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#90 (permalink)
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Silver Subscriber
Member #1366
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rufer
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When you remove the front valve cover, there's always a good amount of oil left in the area between the exhaust tappets and the front of the head.
Greetings
Rufer
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2x TL1000SW, candy jade lime yellow. TL1000cup.de champion 2007, 2008 & 2009
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