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Old 07-08-2005, 07:15 PM   #16 (permalink)
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This sounds GREAT. Do they have a website????

Thanks
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Old 07-08-2005, 08:01 PM   #17 (permalink)
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Quote:
Originally Posted by dc3plt
This sounds GREAT. Do they have a website????

Thanks
Don't think so. Call them at 503 289 1251.

Good folks.
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Old 07-09-2005, 11:46 PM   #18 (permalink)
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Do you need to drain the oil?

So is draining the oil necessary? I just changed my and don't really feel like draining it.
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Old 07-10-2005, 04:17 AM   #19 (permalink)
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Quote:
Originally Posted by rides99fatboy
So is draining the oil necessary? I just changed my and don't really feel like draining it.
No. You will only use a few ounces outta the bottom of the engine. The rest is in the oil tank or oil pan.
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Old 07-10-2005, 06:33 PM   #20 (permalink)
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Any side effects reported; like oil venting out the aircleaner?
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Old 07-11-2005, 07:38 AM   #21 (permalink)
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Any side effects reported; like oil venting out the aircleaner?
None on any of my bikes and I beat the crap out of the Night Train.
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Old 07-13-2005, 01:49 PM   #22 (permalink)
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Just curious...I read the other threads on this topic...are there any instructions of any kind with the spring? Sounds like a simple installation...just wondering if any documentation comes with the spring. Thanks
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Old 07-14-2005, 10:27 AM   #23 (permalink)
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Quote:
Originally Posted by harley4u
Just curious...I read the other threads on this topic...are there any instructions of any kind with the spring? Sounds like a simple installation...just wondering if any documentation comes with the spring. Thanks
Yes, it comes with instructions.
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Old 07-17-2005, 09:37 PM   #24 (permalink)
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I don't want to sound too stupid but what exactly does this spring do??
I have intermittent ticking noise and if this would help I would try it. If all it does is increase oil pressure to the upper cylinder head then I wonder if the oil pump is getting weak.
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Old 07-17-2005, 09:54 PM   #25 (permalink)
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Quote:
Originally Posted by sthorp
I don't want to sound too stupid but what exactly does this spring do??
I have intermittent ticking noise and if this would help I would try it. If all it does is increase oil pressure to the upper cylinder head then I wonder if the oil pump is getting weak.
What the spring does is increase pressure on the bypass valve. Making it harder to open. If the spring is set for 38lbs, then when the oil pressure hits 38lbs it opens the valve and doesn't allow any more pressure to build up. If you change the spring with a stiffer spring the valve opens up later and cause the oil pressure to rise. If it is set for 40lbs, the valve will then open at 40lbs. This increased oil pressure helps keep the lifters pumped up a little stronger and thus keeps the noise down.

The old way was to stretch a spring but that yields unreliable results. Another way to increase the oil pressure in the twin cam is to simply put a washer between the stock spring and the roll pin that holds it in. This effectively increases the spring pressure. You can actually shim the stock spring for whatever oil pressure you desire. Start with a single .050 washer.
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Old 07-18-2005, 04:20 AM   #26 (permalink)
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Is this worth doing on a stck Police RoadKing ?????
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Old 07-18-2005, 12:04 PM   #27 (permalink)
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installed one in my deuce this weekend, no more tick, tick, tick..
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Old 07-18-2005, 04:31 PM   #28 (permalink)
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Quote:
Originally Posted by springer-
What the spring does is increase pressure on the bypass valve. Making it harder to open. If the spring is set for 38lbs, then when the oil pressure hits 38lbs it opens the valve and doesn't allow any more pressure to build up. If you change the spring with a stiffer spring the valve opens up later and cause the oil pressure to rise. If it is set for 40lbs, the valve will then open at 40lbs. This increased oil pressure helps keep the lifters pumped up a little stronger and thus keeps the noise down.

The old way was to stretch a spring but that yields unreliable results. Another way to increase the oil pressure in the twin cam is to simply put a washer between the stock spring and the roll pin that holds it in. This effectively increases the spring pressure. You can actually shim the stock spring for whatever oil pressure you desire. Start with a single .050 washer.
But will increasing the oil pressure have any undesired side effects?? Leaking, pre-mature lifter failure, pre-mature oil pump failure??

Last edited by sthorp : 07-18-2005 at 04:33 PM.
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Old 07-18-2005, 04:54 PM   #29 (permalink)
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Quote:
Originally Posted by sthorp
But will increasing the oil pressure have any undesired side effects?? Leaking, pre-mature lifter failure, pre-mature oil pump failure??
Baisley says increase is about 5lbs.
I believe this is less of an increase than some aftermarket pumps.
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Old 07-18-2005, 07:50 PM   #30 (permalink)
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Quote:
Originally Posted by deuce163
installed one in my deuce this weekend, no more tick, tick, tick..
Well Ok, I am going to order one tomarrow
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