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Thread: 996 porsche 911 base model as daily driver / mild tracking question

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    Administrator ucfbrett's Avatar
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    I am always amazed that no matter how small the OEM engine it replaces, the LS is nearly always lighter. Add the 996 flat six to the list.

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    They have swap kits for boxsters....makes me wonder if there are any v8 swapped caymans around. That sounds like heaven.
    Renegade V8 Boxster S Review - YouTube

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    http://www.trackhq.com/Banners/yellowsitesponsor.gif emilio700's Avatar
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    Renegade Hybrids
    Conversion kit is barely $7K. New L33 5.3L crate motor is $3600 from GM Parts Direct. Add another $1200 to convert it into an LSX with used Camaro/Firebird bits.
    CARB legal. Stock trans, cooling system. Even OEM gauges can be set up to work with the LSx.

    I have to confess, the idea of a Boxster with a 450hp LS3 in it sounds like an awesome project. I think Boxsters are ugly but man would it be fun to drive.

    Boxster-S Donor car for $8300 on CL
    2000 Porsche Boxster S convertible

    996
    pic05.jpg
    faded headlights are a nice touch.

    pic01.jpg
    pic05.jpg
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    But obviously I just dont get it. -fatbillybob

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    Senior Member bellwilliam's Avatar
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    Quote Originally Posted by ucfbrett View Post
    I am always amazed that no matter how small the OEM engine it replaces, the LS is nearly always lighter. Add the 996 flat six to the list.
    I always wondered how true that is ? does that include all the accessories ? header, intake, intake manifold, alternator, ignition modules, etc......
    if so, how is that possible ? LS is physically bigger ? should have more mass.
    Supermiata S1, SuperMiata S2, Supermiata S3
    13 Tesla, ma: no engine !!
    17 GT350 !!
    08 M3 - Carmax warranty !!
    96 NSX
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    http://www.trackhq.com/Banners/yellowsitesponsor.gif emilio700's Avatar
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    Quote Originally Posted by bellwilliam View Post
    I always wondered how true that is ? does that include all the accessories ? header, intake, intake manifold, alternator, ignition modules, etc......
    if so, how is that possible ? LS is physically bigger ? should have more mass.
    Flat 6 has redundant mass and taller, heavier heads cantilevered further outboard. Cylinder on V8 is supported by a triangulated structure, thus needs to support almost none of it's own weight like flat 6 does.
    Pushrod head is lighter than OHC. Overall V8 shares engine structure so less material can be used per displacement.

    Maybe old tech but it was an efficient design 60 years ago and remains so today. LSx conversion replacing iron block OEM 1.8L Miata engines adds about 150 lbs and that's including a larger diff.

    There is a reason a C6 Z06 only weighs 3050# with a 7.0L engine and foot and half wide tires.
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    SuperMiata

    Aside from their cost I never understood why people race them.
    But obviously I just dont get it. -fatbillybob

  6. #26
    BMW Master bawareca's Avatar
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    Quote Originally Posted by ucfbrett View Post
    I am always amazed that no matter how small the OEM engine it replaces, the LS is nearly always lighter. Add the 996 flat six to the list.
    But it has no intermediate shaft bearing

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    Missing quote - post deleted.
    Last edited by Loose Caboose; 02-10-2014 at 07:43 PM.

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    Quote Originally Posted by emilio700 View Post
    . . . I was hooked driving my 1989 Mazda 323GTX in 1991 or so. . .
    How long before you "upgraded" (to rwd?)?

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    Quote Originally Posted by Olitho View Post
    A 2004 LeMans Edition Z06 in the fall of 2014. I was probably hooked by then, but I knew for sure after a day at SoWS two weeks later.

    On the two hour drive home I planned my two year road map to start wheel to wheel racing. Two years from that October I bought my current Corvette Z06 and have been avidly racing it in everything from regionals to pro races since then.
    Very impressive to have stated out with such a strong car.

  10. #30
    Chest hair required Olitho's Avatar
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    Quote Originally Posted by Loose Caboose View Post
    Very impressive to have stated out with such a strong car.
    What do you mean? What is impressive?
    To the right of The Sheriff. Isn't everyone?

  11. #31
    JJ1
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    Just read all the way through this. FWIW, I called a reputable P car shop in SD thats also known to be a bit pricey (Black Forest). They quoted me ~$2500 for the IMS bearing retrofit. Ive always wanted a 997 but this thread is making me think 996 and pay down my house 15k with the difference.

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    http://www.trackhq.com/Banners/yellowsitesponsor.gif emilio700's Avatar
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    Quote Originally Posted by Loose Caboose View Post
    How long before you "upgraded" (to rwd?)?
    I learned enough about making GTX's go fast (and talk a lot about it) to land a job at Rod Millen Motorsport in '90 I think. That's when I drove my first Miata and FD. Eureka moment driving that first brand new but stock '90 Miata.
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    Aside from their cost I never understood why people race them.
    But obviously I just dont get it. -fatbillybob

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