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Most users ever online was 18 on Sun Jan 08, 2012 7:17 pm


    Intake comparisons for l92 heads

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    Slick68
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    Intake comparisons for l92 heads

    Post by Slick68 on Sun Jul 31, 2011 3:37 pm

    Ok so ive been playing around with th idea of buying a set of cnc ported l92's for my lq4 6.0 swap. I've seen that the l76 and ls3 intakes are basically the same and both out flow the l92 intake. Now I plan a running a decent cam, something in 230-240 @ .050" . Has anyone seen or heard anything about holley's hi-ram with 92/102 mm inlets? As compared to a fast lsxr? I like the idea of running the taller intake due to the 4" hood on the old camaro. I know some are gonna say heat soak is gonna hurt it but I don't see that being a problem in the old school engine compartment.. Any ideas or suggestions??
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    XplicitPerformance
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    Re: Intake comparisons for l92 heads

    Post by XplicitPerformance on Sun Jul 31, 2011 6:28 pm

    I heard really good things about the LSXRT intake on a car. If you got the room and the hood clearance go for it. Also the L76 intake is a very good cheap alternative. I have seen it make good power. Minimal gains are made with the FAST over it.

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    Re: Intake comparisons for l92 heads

    Post by lsxblazer on Sun Jul 31, 2011 10:49 pm

    neweraperformanceparts.com sells ported l76 intakes its a 92mm which is more then enough for your set up n/a or forced!!!the l76 intake flows awesome stock btw!!
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    Re: Intake comparisons for l92 heads

    Post by Slick68 on Sun Jul 31, 2011 11:02 pm

    Cool thanks. I'll look into both of those. I haven't seen the truck version of the fast for the rectangle port heads yet.

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    Re: Intake comparisons for l92 heads

    Post by lsxblazer on Sun Jul 31, 2011 11:10 pm

    to answer your question about holley intake, i havent heard anything good about it! friend of mine had one and it picked no power! took it off and went with ported l76 and picked up 8hp untuned and 19 tuned rwhp btw
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    Re: Intake comparisons for l92 heads

    Post by Slick68 on Mon Aug 01, 2011 4:32 pm

    Were the dyno pulls made on the same dyno lsxblazer? Similar weather conditions? Just curious.. Thanks again man!
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    Re: Intake comparisons for l92 heads

    Post by XplicitPerformance on Mon Aug 01, 2011 4:36 pm

    the Pro Flo from Edelbrock looks really good. I don't think they have made one yet for the rectangle port guys thought but I believe one is in the works. The inital cost of the intake is fairly cheap but to get it to work you may get up to 800-900$ total which still isn't horrible.

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    Re: Intake comparisons for l92 heads

    Post by lsxblazer on Mon Aug 01, 2011 7:33 pm

    no sir on another ls swap vehical! the truck fast is a awesome flowing setup for sure!
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    Re: Intake comparisons for l92 heads

    Post by Slick68 on Mon Aug 01, 2011 9:53 pm

    would either of you know the p/n of the Lsxrt for the l92/ls3 heads. I searched it for awhile earlier and can only find the catherdral port intake.. even of Fast's website

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    Re: Intake comparisons for l92 heads

    Post by lsxblazer on Tue Aug 02, 2011 12:14 am

    im not sure its been made yet for new style heads! ill research it and get back to you!
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    Re: Intake comparisons for l92 heads

    Post by XplicitPerformance on Tue Aug 02, 2011 2:41 am

    All I could find is the Fast LSXR but not the LSXRT.

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    Re: Intake comparisons for l92 heads

    Post by lsxblazer on Tue Aug 02, 2011 11:20 am

    your gonna need to email fast! i couldnt find it either! i would go with ported l76
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    Re: Intake comparisons for l92 heads

    Post by Slick68 on Tue Aug 02, 2011 4:21 pm

    Cool thanks for trying, glad I wasn't the only one that couldn't find it.. I'll look into the ported l76
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    Re: Intake comparisons for l92 heads

    Post by XplicitPerformance on Tue Aug 02, 2011 6:57 pm

    For what its worth I heard the L76 intake is hard to beat out the box.

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