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Whats the gain?

This is a discussion on Whats the gain? within the External Engine forums, part of the LSx Technical Help Section category; Originally Posted by mark21742 you could do the intake/tb swap easily in an hour or two.....the bottom of the ls6 ...

  1. #21
    T/A is in Bahrain! 13nickels's Avatar
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    Quote Originally Posted by mark21742 View Post
    you could do the intake/tb swap easily in an hour or two.....the bottom of the ls6 intake has some ribs that need to be ground down to clear you coolant crossover tubes, but with a grinder or a dremel tool you'll have it fitting in no time
    maybe yo can help me out, why not put the maf on?

  2. #22
    Still The Junior Member RedVertTA's Avatar
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    Quote Originally Posted by mark21742 View Post
    more bad news for you. an aftermarket MAF will flow more bacause its bigger, but lots of them are less accurate than stock and require tuning....they can dangerously lean your motor out if not tuned right.
    but to make you feel better, I have an 85mm SLP MAF and a Superchips handheld tuner sitting on the shelf in my garage too.
    Wait a second the MAF should correct that, I run a 90 FAST on mine, stock heads, cam, and bottom end, it runs fine.

    And as far as coolant crossover tubes, if he gets the coolant crossover from 2001-2002 like you're supposed to, he won't have to cut into the manifold.
    Last edited by RedVertTA; 02-05-2009 at 08:45 PM.
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  3. #23
    cutting and welding mark21742's Avatar
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    Quote Originally Posted by RedVertTA View Post
    Wait a second the MAF should correct that, I run a 90 FAST on mine, stock heads, cam, and bottom end, it runs fine.

    And as far as coolant crossover tubes, if he gets the coolant crossover from 2001-2002 like you're supposed to, he won't have to cut into the manifold.
    some people just swap to the aftermarket MAF without tuning them. all MAFs calibration wander after time......some (but not all) aftermarket mafs wander quickly and wildly, plus can be difficult to tune.
    that being said, I ran an 85mm SLP MAF on mine and picked up power (stock tune)......after tuning the car ran better with stock MAF.
    granted my setup is very mild

  4. #24
    cutting and welding mark21742's Avatar
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    Quote Originally Posted by 13nickels View Post
    maybe yo can help me out, why not put the maf on?
    sorry I missed your MAF, if you put it on I'd get it tuned......as stated they can be hit or miss.
    either way it only takes a little time to swap them out

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    I run a SLP MAF and don't have any problems. Hasn't really showed a power increase, but I don't have it tuned either. Waiting to put my headers on before I dish that out.

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    My 85mm slp maf gave me codes for lean condition more than once so mine is on a shelf now also. Not worth the hassle

  7. #27
    T/A is in Bahrain! 13nickels's Avatar
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    fuck it, im putting it on. i tell you what happens.

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    Quote Originally Posted by 13nickels View Post
    fuck it, im putting it on. i tell you what happens.
    When it goes lean and starts detonating.....remove it and those problems will disappear.

  9. #29
    T/A is in Bahrain! 13nickels's Avatar
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    Quote Originally Posted by Mr. Luos View Post
    When it goes lean and starts detonating.....remove it and those problems will disappear.
    i understand what lean is, but how can i tell when it happens

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    youll feel it when you floor the car, it will usually start pinging at higher rpms usually above 4k.

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    Here's the problem....


    Lean = more power
    But at a cost. Not worth it for 5RWHP.
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