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 Oversized Valves = Stiffer Springs?
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Joined: Aug 2007
Posts: 10,730 Likes: 5
Should be Riding
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OP
Should be Riding
Joined: Aug 2007
Posts: 10,730 Likes: 5 |
Did anyone out there with oversized valves need to get stiffer valve springs? The dealer says they think it might need them, but they are going to do research. I'm doing a little of my own. I would expect the stock springs to be fine, but then again, I dont know much about motors.
Always remember to be yourself. Unless you suck. Then pretend to be someone else.
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Re: Oversized Valves = Stiffer Springs?
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Joined: Jan 2005
Posts: 6,308 Likes: 4
Worn Saddle
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Worn Saddle
Joined: Jan 2005
Posts: 6,308 Likes: 4 |
If I am not mistaken some people are using the springs from the speed triples with the oversized valves.
Maybe frank will chime in, he is having his done now.
A word to the wise is not necessary. It is the stupid ones who need the advice.
Pat
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Re: Oversized Valves = Stiffer Springs?
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Joined: Jan 2005
Posts: 3,753
Loquacious
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Loquacious
Joined: Jan 2005
Posts: 3,753 |
mine is done now thank you very much  i dont think you NEED to but when i had mine done the vendor put the speed triple calve spring in. its actually 2 springs instead of one which is much better at higher rpm. Frank
(Former)05 BA tbike pipes, ai removed, Freak, mikuni hsr 42's, 904, ported/polished head, 1mm oversized valves
NOW-2010 silver and black tbird
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Re: Oversized Valves = Stiffer Springs?
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Joined: Aug 2007
Posts: 10,730 Likes: 5
Should be Riding
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OP
Should be Riding
Joined: Aug 2007
Posts: 10,730 Likes: 5 |
OK, thats another cost factor to consider, but I'll get them and do it right. Thanks!
Always remember to be yourself. Unless you suck. Then pretend to be someone else.
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Re: Oversized Valves = Stiffer Springs?
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Joined: Jan 2005
Posts: 3,611 Likes: 1
Loquacious
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Loquacious
Joined: Jan 2005
Posts: 3,611 Likes: 1 |
Here's a company that was making valves and/or springs for the triples. I don't know if they still are - the catalog PDF was taking me forever to open so I leave it up to you. I don't know how the prices compare to stock speed 3 parts. I still had the link from when I built up my Tbird a few years ago.
Stewart
.......
"It's outside your field of expertise."
"Poppycock normally is."
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Re: Oversized Valves = Stiffer Springs?
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Joined: Aug 2006
Posts: 321
Adjunct
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Adjunct
Joined: Aug 2006
Posts: 321 |
my head has stock outer springs and speed triple inner springs. the head must be machined to accept dual valve springs. I have 2mm larger intake valves, and 1mm larger exhaust valves.
Last edited by sweatmachine; 03/09/2008 12:24 AM.
There is no greater thrill than being shot at with no consequence. -Churchill
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Re: Oversized Valves = Stiffer Springs?
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Joined: Aug 2007
Posts: 10,730 Likes: 5
Should be Riding
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OP
Should be Riding
Joined: Aug 2007
Posts: 10,730 Likes: 5 |
Dealer says that you do not need to machine for dual valve springs if using stock outer springs. I will be going with speed triple inner springs, and stock outers. Dropped my head off today for valve job.
Always remember to be yourself. Unless you suck. Then pretend to be someone else.
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