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Budman I don't hear any wrenches turning when you're on OSO...
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Originally Posted by Budman II
(Post 4134423)
You are correct - the numbers I listed from the card are at .050, so I guess the valve can actually be off its seat a lot sooner than that. I do know that this cam gets the valve open in a hurry. I don't have any numbers at .004 or .006.
Intake centerline is 110* ATDC, and exhaust CL is 118* BTDC. I'm far from an expert but I think that means the cam will be 4* advanced when installed "straight up". That's the way I did it - dot to dot, put a degree wheel, established true TDC with a pointer, and verified that the valve events with the wheel and a dial indicator. Also, the cam card says to install it "* *", which I would take to mean straight up. Bob doesn't generally want to have the full specs for his cam posted on the web, and I can understand him wanting to protect his intellectual property. He has helped me out lot, so out of respect for him, I don't want to post the full specs out here on the WWW. A 114° LSA cam installed with a measured 114° ECL and 114°ICL when installed is 0 adv/retard. A 114° LSA cam installed with a measured 110 ICL and 118 ECL. when installed is at 4° advance. DOT to DOT does not mean straight up.Some cams are ground with advance cause they doubt the installer. LOL. Straight up means ICL and ECL is installed at same numeral. |
Originally Posted by Rookie
(Post 4134430)
Budman I don't hear any wrenches turning when you're on OSO...
Had to break for lunch so I jumped on OSO for a few. Dropping it in tomorrow night. |
Originally Posted by Black Baja
(Post 4134369)
The more u advance it the less it will revert. When the chain stretches it will advance a couple degrees. I usually install mine a little retarded for that reason but don't have water in exhaust problems as you do...
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Bud, one last thing I can add is if you have any sort of exhaust leak at all it will create a vaccum and suck the water back. I think that's probably why he told you to use RTV at the joint...
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I mentioned earlier that when I tested it with the tips installed, it stayed dry. I have to amend that to say that the last time I ran it over the weekend, it stalled on its own because I didn't notice that it was running out of gas (this thing eats gas at a fearsome rate. :) ) When I pulled the pipes that time, there was some water in them. My guess is that it took a big gulp as it sputtered to a stop. I'm going to take the tips in to the exhaust shop today to have them modified to have one little nozzle spraying some water angled back towards the tips. Going to close the top ports off, and add a bung on the top to dump the excess overboard. I'll let everyone know how it works out.
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Originally Posted by Budman II
(Post 4134833)
I mentioned earlier that when I tested it with the tips installed, it stayed dry. I have to amend that to say that the last time I ran it over the weekend, it stalled on its own because I didn't notice that it was running out of gas (this thing eats gas at a fearsome rate. :) ) When I pulled the pipes that time, there was some water in them. My guess is that it took a big gulp as it sputtered to a stop. I'm going to take the tips in to the exhaust shop today to have them modified to have one little nozzle spraying some water angled back towards the tips. Going to close the top ports off, and add a bung on the top to dump the excess overboard. I'll let everyone know how it works out.
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Originally Posted by Pismo10
(Post 4134859)
Sounds like a good idea but Keep enough to keep them cool still!
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Still waiting someone to invent a jacketed (so cool exterior) totally dry stainless muffled exhaust that dumps water in at very end outside of boat that is a replacement fit for stock Merc setup.
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So when is the season premier, the cheering section is waiting.....and hoping for success! :coolcowboy:
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