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Cam Question

  1. #1
    Senior Member customtouch's Avatar
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    Default Cam Question

    I am doing a budget build on a little small block Glastron CSS 19 with an Alpha 1 drive. I have a virtually new 260hp GM Target Master 350 laying around that I am putting in it. I also have a fresh set of old school 202 camel hump heads I am planning on putting on just to get a little more hp out of it. (I know there are better heads out there but I have these already and they will be better than what is on there now.) According to my research the 64cc chambers should bump the compression up to approx. 9.1:1. I will be running the stock Mercruiser wet manifolds with through prop exhaust. (At least for now.) I am looking for a cam that will work good but not have a reversion issue. I am looking at the cam in the link and talked to a tech from Comp Cams but he didn't have any definite answers and kept referring to it as a revision issue. Question is will this cam work alright or does someone have a recommendation for a better one? I just want to get the most (dependable) hp out of what I already have. Thanks in advance.

    12-236-3 - Xtreme Marineâ„¢ Hydraulic Flat Tappet Camshafts
    Last edited by customtouch; 02-24-2014 at 05:21 PM.

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    Quote Originally Posted by customtouch View Post
    I am doing a budget build on a little small block Glastron CSS 19 with an Alpha 1 drive. I have a virtually new 260hp GM Target Master 350 laying around that I am putting in it. I also have a fresh set of old school 202 camel hump heads I am planning on putting on just to get a little more hp out of it. (I know there are better heads out there but I have these already and they will be better than what is on there now.) According to my research the 64cc chambers should bump the compression up to approx. 9.1:1. I will be running the stock Mercruiser wet manifolds with through prop exhaust. (At least for now.) I am looking for a cam that will work good but not have a reversion issue. I am looking at the cam in the link and talked to a tech from Comp Cams but he didn't have any definite answers and kept referring to it as a revision issue. Question is will this cam work alright or does someone have a recommendation for a better one? I just want to get the most (dependable) hp out of what I already have. Thanks in advance.

    12-236-3 - Xtreme Marineâ„¢ Hydraulic Flat Tappet Camshafts
    I would not recommend building much HP in front of an Alpha. They don't like it.
    Chris Straub
    Straub Technologies

    3HP is an A$$ Whooping!!! JW

  4. #3
    Senior Member customtouch's Avatar
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    I am guessing that if I am lucky this combination at best would produce somewhere between 325-350hp so I am not concerned with too much power. I am not trying to build a hot rod and if I didn't have these heads laying around, I would put the motor in stock. However it would be a waste of time and money to just put the heads on with the dinky little cam that is in there now so I am trying to find a cam that will get the most bang for my buck. If I can get an extra 75-100hp for the "out of pocket" price of a cam & lifters.......why not? I am just concerned with reversion issues because of the stock exhaust and hoping to get some feed back from the experts on here because I sure the hell am not one.
    Last edited by customtouch; 02-25-2014 at 12:45 PM.

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  6. #4
    gn7
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    Quote Originally Posted by customtouch View Post
    hoping to get some feed back from the experts on here because I sure the hell am not one.
    You just did.



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    Senior Member customtouch's Avatar
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    Quote Originally Posted by gn7 View Post
    You just did.
    And it was extremely helpful to me and my question. Thank you.

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    General consensus is that the Alpha I will hold up fine with 300 hp, even up to 375 if you show some restraint on take off. What really kills the drives is the low speed torque of a big block or stroker motor.

    Doug

  9. #7
    Senior Member customtouch's Avatar
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    Yea, I know, I had already researched all that from several very good drive builders before I considered the up grade and was well aware of what I am getting into. I am by no means new to boating and I fully understand restraint. I was just looking for a little help with cam selection because that is a science in its self that is way over my head and I prefer not to just guess at it. I do appreciate the input though. Thanks.
    Last edited by customtouch; 02-26-2014 at 10:13 AM.

  10. #8
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    Quote Originally Posted by customtouch View Post
    Yea, I know, I had already researched all that from several very good drive builders before I considered the up grade and was well aware of what I am getting into. I am by no means new to boating and I fully understand restraint. I was just looking for a little help with cam selection because that is a science in its self that is way over my head and I prefer not to just guess at it. I do appreciate the input though. Thanks.
    Youll get the most outta the combo with a custom cam, cstraub is who you need to be talking on the cell with and gtn cam from private messagr him and order your cam from him.what lil more you spend on his cam will be worth it.

    Dare to be different, if it turns out great you can claim you planned it that way.

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    I have a Comp Cams 268H in my sbc 350, in front of an old Merc I drive, (pre-alpha) with no issues for about 20 years. I have standard Merc Center riser manifolds. The specs of the cam you quote are very similar to mine. I would think that cam should work fine with your setup.
    Doug

    12-210-2 - HIGH Energyâ„¢ C.A.R.B. Approved Hydraulic Flat Tappet Camshaft

  12. #10
    Senior Member customtouch's Avatar
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    Thanks everyone for the input and P.Ms. It helps to hear what cams have worked for others. Gives me something to go on. It is appreciated.

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