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Deciding on a Cam setup

This is a discussion on Deciding on a Cam setup within the Internal Engine forums, part of the LSx Technical Help Section category; Alright, So i have a 2000 m6 trans am with full exhaust. and im having trouble deciding on a cam ...

  1. #1
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    Lightbulb Deciding on a Cam setup

    Alright, So i have a 2000 m6 trans am with full exhaust. and im having trouble deciding on a cam kit. (cam, springs and PR). I would like to get as big a cam i can get to fit my 62cc heads without flycutting.

    Im also adding the:
    Fast 92/92,
    25% UD pulley
    harland sharp Rocker kit
    Gears (eventually)
    Injectors

    Can Anyone give me advice on a cam kit or anything else that i maybe missing?

    Thanks a bunch
    ~Jeff

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    Member c5z28's Avatar
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    texas speed, comp cams-these people make the cams you are most likely going to buy from and can give you better advice than just about anybody on this board.

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    Member c5z28's Avatar
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    for giggles local with this setup

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    Slow'er'Ass Mr. Luos's Avatar
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    Quote Originally Posted by pontiac00transam View Post
    I would like to get as big a cam i can get to fit my 62cc heads without flycutting.
    Why?

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    cutting and welding mark21742's Avatar
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    what do you want to do with the car, drag race, auto x, weekend toy, or daily driver? this will tell you what operating range the motor will be in most of the time.
    a big cam will make great peak dyno numbers, but lose alot of power under the curve compared to the right small cam. if you want to go with a huge cam and make power, plan on ported and milled heads to get the airflow and compression you need to support the cam, and flycutting the pistons for clearance.... otherwise you will endup with a dog that only sounds like a beast while sitting at a stop light.

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    First i wanna thank everyone for the replies. The cart is going to be mostly a street toy but i do plan on taking it to the track here and there. Maybe saying a big cam is a bit to extreme, thats my bad. Does anyone have an idea on what would be a good cam for my mods? The reason I dont want to flycut because im doing the swap with the block still in the car.

    806 casting (ported 2.05,1.6 and milled to 62cc)
    ported fast 92/92
    pacesetters and slp LM1
    25% UD pulley
    Last edited by pontiac00transam; 02-20-2010 at 06:37 AM.

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    cutting and welding mark21742's Avatar
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    I'd look at around a 228-230 with just under .600" lift on a 112-113 lsa, when you get over the 230s you run the risk of needing to fly cut, and if you stay under .600" lift your valve springs will last longer

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    Slow'er'Ass Mr. Luos's Avatar
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    Thanks for the help guys, Im not doing my swap til may so i have time to decide on what specific cam to go with til then.

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    check TSP for cam kits .

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    cutting and welding mark21742's Avatar
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    Quote Originally Posted by garygnu65 View Post
    check TSP for cam kits .
    TSP kits, also do a search for Ed Curtis, and Pat G, they do excellent custom setups to get alittle more out of your setup

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    I got my kit from Texas Speed.

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    Senior Member INMY01TA's Avatar
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    Quote Originally Posted by mark21742 View Post
    what do you want to do with the car, drag race, auto x, weekend toy, or daily driver? this will tell you what operating range the motor will be in most of the time.
    a big cam will make great peak dyno numbers, but lose alot of power under the curve compared to the right small cam. if you want to go with a huge cam and make power, plan on ported and milled heads to get the airflow and compression you need to support the cam, and flycutting the pistons for clearance.... otherwise you will endup with a dog that only sounds like a beast while sitting at a stop light.
    I disagree with most of this.

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    Member marksls1ta's Avatar
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    Let me know if we can help out any.

    thanks,
    Mark

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    cutting and welding mark21742's Avatar
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    Quote Originally Posted by INMY01TA View Post
    I disagree with most of this.
    I was pretty vague, but hate to see him get a cam that's "too" big for his wants and needs and or break parts because of lack of clearance.

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    Senior Member INMY01TA's Avatar
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    Quote Originally Posted by mark21742 View Post
    I was pretty vague, but hate to see him get a cam that's "too" big for his wants and needs and or break parts because of lack of clearance.
    Agreed but I see more the opposite. I see more guys re-cam cause they go too small.

  17. #17
    cutting and welding mark21742's Avatar
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    Quote Originally Posted by INMY01TA View Post
    Agreed but I see more the opposite. I see more guys re-cam cause they go too small.
    Lol true and I am guilty of that aswell. I started with a 220/224 and then moved up to a 238/242 with a 3,800 stall in my daily driver...that's why If some really wants a cam, but not really sure what to expect out of it or exactly what they are going to do with the car I recomend the good happy medium, the 228.

    I'm sure you and I have a different opinion of tolerable daily driver than someone who hasn't driven a cammed car and gotten used to it. I don't mind bitchy, lol and honestly kinda like it but most don't.

  18. #18
    cutting and welding mark21742's Avatar
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    It would be really nice if we all had great friends that trusted us enough to drive their cammed up cars before we started modding our own cars so we could get a taste of it.

  19. #19
    Senior Member INMY01TA's Avatar
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    Agree again. 228 is good all around. I started with a 224/224. THen I got a beater and jumped to a 232/236. I'm happy with this cam but wouldn't want to DD it.

  20. #20
    cutting and welding mark21742's Avatar
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    Now I'm tring to get the stroker tuned in with this same cam and I think the extra 60 cubes really tamed the cam down and made it a lot more street friendly

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