 Suggested Upgrades while down
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Joined: Jan 2005
Posts: 1,320
Learned Hand
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OP
Learned Hand
Joined: Jan 2005
Posts: 1,320 |
I've spoken to the Dealership that has my Speedmaster during my oil pump gear woes, he understands my desire to make lemonade out of the lemons, and do upgrades to the powerplant while it's in pieces. That being said, I'd appreciate any input on things to do that I wouldn't ordinarily have the opportunity to do.
Things that have come to mind so far:
1) Match-porting the carburetor intakes to the head
2) Big Bore Kit
3) Upgrade the clutch springs
Any other ideas or suggestions?
Michael D. Rodriguez
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 Re: Suggested Upgrades while down
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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 |
While they are matching the head port, be sure to have them do the entire flow. There is a lot of unnecessary metal in there that can be ground away and offer more effecient flow.
A word to the wise is not necessary. It is the stupid ones who need the advice.
Pat
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Re: Suggested Upgrades while down
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Joined: Jan 2005
Posts: 1,320
Learned Hand
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OP
Learned Hand
Joined: Jan 2005
Posts: 1,320 |
Point well taken, thanks!
Michael D. Rodriguez
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 Re: Suggested Upgrades while down
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Joined: Mar 2005
Posts: 57
Member
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Member
Joined: Mar 2005
Posts: 57 |
Besides BB kit, put in Carillo rods and have a "bulletproof" power plant.
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Re: Suggested Upgrades while down
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Joined: Jan 2005
Posts: 2,362
Oil Expert
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Oil Expert
Joined: Jan 2005
Posts: 2,362 |
How about the Thunderbike camshafts while you're at it? If the standard cams work with the big bore, the uprated ones should too. (You might wanna talk to the good folks at Thunderbike about that tho...)
Matt
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Re: Suggested Upgrades while down
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Joined: Jan 2005
Posts: 8,639 Likes: 3
Old Hand
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Old Hand
Joined: Jan 2005
Posts: 8,639 Likes: 3 |
Might as well stick in a pair of wild arse cams. With more valve overlap, you can increase the compression a bit without having to burn more expensive gas too.
Let's hope there's intelligent life somewhere in space 'cause it's buggar all down here. -- Monte Python
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Re: Suggested Upgrades while down
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Joined: Jan 2005
Posts: 1,018
Learned Hand
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Learned Hand
Joined: Jan 2005
Posts: 1,018 |
Any answer on why the oil pump gears failed. Other than being plastic??
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Re: Suggested Upgrades while down
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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 |
Quote:
Besides BB kit, put in Carillo rods and have a "bulletproof" power plant.
Youch, let me tell you how much work that is!
Besides, the Carillo rods are huge bucks. You could buy cams for about the same price and not have to split the cases.
Or...you could put another intake cam in the exhaust side for a lot less $$.
And don't forget the 38mm Mikunis you can get for about $300. Ask biker (Ed Smith) about the ones he fabbed together. Very nice and inexpensive mod.
A word to the wise is not necessary. It is the stupid ones who need the advice.
Pat
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Re: Suggested Upgrades while down
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Joined: Jan 2005
Posts: 1,320
Learned Hand
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OP
Learned Hand
Joined: Jan 2005
Posts: 1,320 |
Thanks for the input guys, my ride already has re-ground OE camshafts, so they do have a bit more lift and duration than the stocks; my original list was predicated on the wishful thinking that the cams themselves are still useable. If they're not, then new camshafts will be back on the list. Like Dinqua, I've done a little research on the carrillo rods, the $327 per rod isn't such a big deal, but the quoted 6 week lead time is a big deal. That's alot of time that I don't think I have, I definitely don't want to put that much delay on the dealership. If they were only a 3 week lead time, I'd almost definitely buy them. As far as carburetors go, my bike has the CRS 35mm carburetors, they're definitely still useable, and I'm happy enough with them, so I'm not going to put any money there. As far as why the gears stripped, the jury is still out on that one; the dealer indicated that the rear oil pump rotor had very minor scoring only, so I don't think that debris lodged in the oil pump caused the gear to get hung up. Who knows??
Michael D. Rodriguez
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