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    LS3 Crate Motor now available $7000

    There are 2 versions available for your kit/track cars. The base motor as described below and a GM Hot Cam version that produces in excess of 485hp and 440lb of torque, both under factory warranty.

    So whose gonna be the first to put this in their Cayman?

    The LS3 was introduced as the Corvette's new base engine for the 2008 model year. It produces 430 hp (321 kW) at 6000 rpm and 424 ft.lbf of torque (575 N.m) at 4400 rpm and is SAE certified. The block is an updated version of the LS2 casting featuring a larger-bore of 4.06 inches creating a displacement of 6.2 liters (376 cubic inches), or .2 liters larger than the LS2. It also features higher flowing cylinder heads derived from the LS7, a more aggressive camshaft, a revised valve train with offset intake rocker arms, a high-flow intake manifold, and high-flow fuel injectors from the LS7 engine.

    In addition to the above, a dual mode exhaust package with a bypass on acceleration is available. The dual-mode exhaust uses vacuum-actuated outlet valves, which control engine noise during low-load operation, but open for maximum performance during high-load operation. The system is similar to the C6 Z06, but uses a 2.5" diameter exhaust compared to the Z06's 3.0". Horsepower is boosted to 436 hp / 428 ft.lbf (325 kW / 580 N.m) with this option.

    Re: LS3 Crate Motor now available $7000

    Great deal for something like an Ultima GTR...

    Re: LS3 Crate Motor now available $7000

    That is quite cheap compared to a Porsche crate motor, wow!

    Re: LS3 Crate Motor now available $7000

    Quote:
    Moogle said:
    That is quite cheap compared to a Porsche crate motor, wow!


    A GT3 motor makes less power/torque and costs about 7 times as much...

    Re: LS3 Crate Motor now available $7000

    Quote:
    Grant said:
    Quote:
    Moogle said:
    That is quite cheap compared to a Porsche crate motor, wow!


    A GT3 motor makes less power/torque and costs about 7 times as much...


    And that's why Porsche is the most profitable manufacturer in the world and GM isn't.

    Re: LS3 Crate Motor now available $7000

    Quote:
    Walter said:
    Quote:
    Grant said:
    Quote:
    Moogle said:
    That is quite cheap compared to a Porsche crate motor, wow!


    A GT3 motor makes less power/torque and costs about 7 times as much...


    And that's why Porsche is the most profitable manufacturer in the world and GM isn't.


    No, actually, I don't think Porsche makes a killing on the base GT3 (which uses an expensive dry-sump race motor). I think they make the biggest margin on a totally optioned-up 997S with X51, PCCB and lots of cosmetic options. I think the GT3 motor is actually fairly costly for Porsche to build (that's why they made the M96/M97 wet sump motors in the first place)

     
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