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Lt4 Hot Cam

This is a discussion on Lt4 Hot Cam within the LT1 forums, part of the Vehicle Specific category; How much horsepower should i expect to gain form an lt4 hot cam with stock rocker arms?...

  1. #1
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    green
    1996 z28

    Lt4 Hot Cam

    How much horsepower should i expect to gain form an lt4 hot cam with stock rocker arms?

  2. #2
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    If thats all you have done to your car, I wouldn't expect a whole lot of improvement. IMO I wouldn't pay for one, I would get ahold of BRet Bauer and see what he can do for you with a custom grind

  3. #3
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    green
    1996 z28

    i have 100 wet shot,headers,y pipe, 3" cutout, borla exhaust, no egr, air pump, cats, maf ported, ngk tr55s, 8mm plug wires, electric water pump, computer tuned, 160 thermostat, new opti, etc

  4. #4
    Senior Member 5.0THIS's Avatar
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    95 Z28

    Why on earth would you want to go through with a cam change and not go to roller rockers? If you cant afford the rockers then you cant afford to do a cam swap.

  5. #5
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    green
    1996 z28

    i never said i was, i just want to know haow big of a difference it would make

  6. #6
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    green
    1996 z28

    and by the way I already have the cam, springs, etc. I just wanted to know if roller rockers were necessary

  7. #7
    Fayhee Motorsports hotrod18_69's Avatar
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    97 Camaro Z28

    You would notice some difference, but there are alot better cam out there than the LT4 with alot better power gains.... Like the CC305 or CC306...

  8. #8
    Fayhee Motorsports hotrod18_69's Avatar
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    What lift are your springs good too?

  9. #9
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    If he has the LT4 springs they are only good to .525" lift, which there is no way the 306 can live with those springs probabaly not even the 305 can get away with it. Personally the LT4 cam isnt worth the trouble to do a cam swap unless you are budget restricted or emissions. Also the lift isn't that high on the LT4 cam to begin with and if you dont or cant upgrade to 1.6 rollers then you loose that much more lift and improvement

  10. #10
    Fayhee Motorsports hotrod18_69's Avatar
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    Quote Originally Posted by psychoticLS1 View Post
    If he has the LT4 springs they are only good to .525" lift, which there is no way the 306 can live with those springs probabaly not even the 305 can get away with it. Personally the LT4 cam isnt worth the trouble to do a cam swap unless you are budget restricted or emissions. Also the lift isn't that high on the LT4 cam to begin with and if you dont or cant upgrade to 1.6 rollers then you loose that much more lift and improvement
    Agreed.. Thats why i asked what his lift on springs where good too. He did really say weather they where LT4 springs or not.. But since he alreadys has the Cam, and the springs he might as well just toss them in.. With or without the RR's, does really matter.. Either way.

  11. #11
    kingls1
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    Quote Originally Posted by 5.0THIS View Post
    Why on earth would you want to go through with a cam change and not go to roller rockers? If you cant afford the rockers then you cant afford to do a cam swap.
    are you a dick to everyone?

  12. #12
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    Quote Originally Posted by kingls1 View Post
    are you a dick to everyone?
    yeah obviously

  13. #13
    Senior Member 5.0THIS's Avatar
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    95 Z28

    Quote Originally Posted by kingls1 View Post
    are you a dick to everyone?


    If pointing out the obvious is being a dick, then I guess so. You're done posting in this thread.

  14. #14
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    mystic
    95 LS, yes it says LS

    When I bought my Z it had the LT4 hot cam in it. Couldn't tell a diff. over a stock Z. It just hit a small lick. for the trouble, I'd spend my money else where or keep saveing. If you do the ECU will need a tune.

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