Cam Upgrade ????
10-27-2011, 02:51 PM
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Cam Upgrade ????
Hey guys ! I just bought my first boat, its a donzi minx classic and I am in the middle of the engine rebuild process. The 350 mercruiser motor is currently in the machine shop, I did a .30 over to the block and got some nice flat pistons and now im stuck on what cam application to get. I dont want something toooo radical. I want something reliable with some HP. I also did not want to change any valves etc and of course keep the cost down. Any Ideas ??? Can someone please Help ???
10-27-2011, 08:48 PM
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Hey, thanks for the reply. 99' 880 block and 906 heads with stock intake, stock carb and stock exhaust (for now atleast) with Alpha one drive. I really wanted something reliable but good power. I do not know which is better roller or tappet. The guys at the machine shop are recommending a kit from comp cams that offers the camshaft and tappets for an additional $500. I thought it was a little steep which is why i wanted to do my own research and maybe find something a little cheaper or even used.
10-27-2011, 09:17 PM
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Roller would be great but might get pricey. Look at the 12-236-3. It is the XM262H. I ran this cam and it is a good cam. Great low end torque and pulls good to 5100-5200 rpm. Those are Vortec heads so I'm not sure on the springs. Do a search on Google for Vortec beehive spring upgrade.
10-30-2011, 08:38 AM
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oh yes i forgot to mention its a stock exhaust. Im currently looking for a descent exhaust, but Im not sure which route to go there also. I was thinking something stainless steel and maybe 4".
10-30-2011, 11:29 AM
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rollers are great if you plan on up grading your drive and spending money on exchaust and other stuff and if it isnt a roller motor already, you will spend even more ,,good exchaust i run on my 350 vortec heads is a aluminum revolution maRINE 4INCH ,
10-30-2011, 08:24 PM
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Then I have no idea why you'd go flat tappet... You could get an off the shelf cam, or for a little more money call Bob here: http://www.marinekineticsonline.com/
You need to figure out your combination a little better before you pick a cam anyhow.
You need to figure out your combination a little better before you pick a cam anyhow.
