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Don't feel a difference after cam swap

This is a discussion on Don't feel a difference after cam swap within the General Help forums, part of the LSx Technical Help Section category; Question Im new too the site and dont know how to post my problem...I have a 2002 Z28 and did ...

  1. #1
    Junior Member mack42104's Avatar
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    orange
    2002 Z28

    Don't feel a difference after cam swap

    Question Im new too the site and dont know how to post my problem...I have a 2002 Z28 and did a cam swap about 6mnths ago i still have the stock heads but changed to the beehive springs.etc and everything. problem is I dont feel much of a power difference since I did the cam is it becuase i didnt buy aftermarket heads that flow better then stock or what??? and car is an A4 ive had it tuned and everything for the comp cam is the stock heads killing my cam or what need serious help.
    Thanks,Richard
    Last edited by mack42104; 03-21-2010 at 07:23 PM. Reason: no signature

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    Junior Member mack42104's Avatar
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    orange
    2002 Z28

    please anybody help getting ready to break my motor down again and get heads machined???? hopfully a port and polish will help!!!!!
    MACK Z MAN

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    Smiles for 9.5 Years cammed goat's Avatar
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    Quote Originally Posted by mack42104 View Post
    Question Im new too the site and dont know how to post my problem...I have a 2002 Z28 and did a cam swap about 6mnths ago i still have the stock heads but changed to the beehive springs.etc and everything. problem is I dont feel much of a power difference since I did the cam is it becuase i didnt buy aftermarket heads that flow better then stock or what??? and car is an A4 ive had it tuned and everything for the comp cam is the stock heads killing my cam or what need serious help.
    Thanks,Richard
    What tuner software are you using? If a handheld, then you haven't really tuned your car. PM our resident tuner Frost and give him your cam specs. You may need a more detailed tune for that cam you have and a handheld cannot go that far.

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    Veteran 0rion's Avatar
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    what cam did you put in? It would also help if you had before and after track times. Who tuned it?

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    Slow'er'Ass Mr. Luos's Avatar
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    Stall by chance?

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    Alabama Member bamaz28's Avatar
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    lift? as mentioned track times? give us something

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    Junior Member mack42104's Avatar
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    orange
    2002 Z28

    I sent computer off to PCM for less and they tuned it pretty well.... I ran a 8.18 in 1/8th mile before cam at 89 mph. After cam swap i ran a 8.25 at 93mph spinning in 1st gear. automatic tranny by the way.. Its a comp xtreme energy cam 589/591lift and 228/230duration with a 114 lob seperation.... Is it the stock heads hurting the cam everything i did was right... Cam,beehive springs,double roller timing chain,new hardend valves,locks retainers,tune so i dont know???? Is it my stock flowing heads restricting my cam???

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    Veteran 0rion's Avatar
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    that's a nice cam and just going by your mph you picked up quite a bit. Get some sticky tires on there. What size stall are you running? Although your heads are holding you back and there's some HP to be gained there it sounds more like a traction issue as to why you're not feeling it's faster. The butt dyno has also known to be way off.

  9. #9
    Smiles for 9.5 Years cammed goat's Avatar
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    You posted spinning in 1st. Maybe your tires aren't up to the torque?

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    igofast Brandon35thSS's Avatar
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    red with 35th le stripes
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    if you dont have a stall,get one and your car will be a whole different beast. but none of it matters if it wont hook.

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    Junior Member seth_12's Avatar
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    Do you have Headers? If you don't i recommend getting a set of hookers it should make a difference than, my buddy has a z28 and he has a comp cam, headers and he has stock heads but his car is still pretty fast just with that set up.

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    Junior Member mack42104's Avatar
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    Yea true a stall would help and some mickey thompsons(never buy nitto extremes) They dont hook. Thats my next step I guess,so will a stall help me perform alot better my 60ft is 208 throw 214 sucks lol. I guess I need to get it down to a 180 to 190 and hopfully i can get in the 7's... thanks guys for everything...one more thing if I do decide to go with AFR heads or something that would be a big jump in power right???? with the cam and everthing?

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    Junior Member mack42104's Avatar
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    orange
    2002 Z28

    yea i have hooker ceremic long tube headers one of my first mods originally....and 3inch exhaust all the way back.... that was worth every penny.

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    Junior Member mack42104's Avatar
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    2002 Z28

    I have a myspace if anybody could check my pics out and tell me what they think of all my mods...lol mack42104@hotmail.com or richard francisco is my name Im in Roanoke,VA kindoff new too the site so not too many pics here yet lol

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    Veteran 0rion's Avatar
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    98 Formula
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    you're still on the stock stall with that cam? Get that stall out of there and some good tires.

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    Veteran Hi-Po's Avatar
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    Stock stall is killing you, at the track and on the street. That should be number one priority right now.

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    what gears are u runing?

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    Senior Member 98maro's Avatar
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    Sorry for askin lol. But what's the stock stall?
    Thanks

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    Junior Member mack42104's Avatar
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    orange
    2002 Z28

    stock stall is like 1800 rpm but will a vigilante 3200to3500 be too big/?

  20. #20
    Veteran Hi-Po's Avatar
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    No, coming from a 6 speed guy... I would say a 3600. Its going to still lock up like your stocker you have now.

    Most guys who go with 3200-3400, almost always wish they went bigger.

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