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241 heads to 243

This is a discussion on 241 heads to 243 within the Internal Engine forums, part of the LSx Technical Help Section category; my car has a ms4 cam, and i am just wondering how much would it help going from stock 241 ...

  1. #1
    Member 35thz28camaro's Avatar
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    2002 z28 camaro

    241 heads to 243

    my car has a ms4 cam, and i am just wondering how much would it help going from stock 241 heads to stock 243 heads?

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    Veteran Hi-Po's Avatar
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    A little, and not enough (to me) to justify a head swap. That cam wants to breathe, if you buy any heads make them worth it. A good set of PRC's would love to meet that huge cam you have.

    Edit: Just looked over your sig. Do you not have gears yet with that cam? I would be more dead set on getting some steeper gearing to help that MS4 out. Looks like you have the stall for it though.
    Last edited by Hi-Po; 07-23-2009 at 02:25 PM.

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    Member 35thz28camaro's Avatar
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    I already have the heads, they have been sitting at my house for about 2 months now. they came off my friends car. i was just thinking about putting them on all it will cost me is $40 for head gaskets. i am trying to pick up .1 in the 1/8 mile to catch someone lol.

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    Quote Originally Posted by 35thz28camaro View Post
    I already have the heads, they have been sitting at my house for about 2 months now. they came off my friends car. i was just thinking about putting them on all it will cost me is $40 for head gaskets. i am trying to pick up .1 in the 1/8 mile to catch someone lol.
    Go get'um then

  5. #5
    - STOCK ish - Sarge91's Avatar
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    i lol'd at the thread. Will.. i thought u knew it all...

    And your only off of Tyler by that much?

    If you dont use these heads, ill take em, and get them ported if funds are right.
    2002 Camaro SS A4 - SLP# 2951 l MS4 l LT's w/ORY l F.A.S.T 78 & TB l Borla l Cutout l CME l TCI 3500 l 3.23's l !emissions l !sway

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    Member c5z28's Avatar
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    On your ass flashing
    my highbeams

    Don't forget head bolts, and you have a different compression so the psuhrods "should be changed" You got a couple extra bucks lying around for a tune also but not for porting?

  7. #7
    Member 35thz28camaro's Avatar
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    Quote Originally Posted by c5z28 View Post
    Don't forget head bolts, and you have a different compression so the psuhrods "should be changed" You got a couple extra bucks lying around for a tune also but not for porting?
    ? I am not going to have to pay anything for a tune. but i am going with a different set up anyway... i am getting prc 2.5 5.3 heads and a ms3 cam


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