Motor Update
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Motor Update

  1. #1
    Sit N' Spin Jetaholic's Avatar
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    Default Motor Update

    Well the engine is at JNW Engine & Machine Shop in Santa Rosa, who was recommended by Terry. Jerry there is very knowledgeable and knows his shit.

    There was a ding in the cylinder wall caused by the broken valve head so he rough machined the block to find out how much oversize we were gonna have to go and it cleaned up right at 0.060", so there's still enough to machine for the extra marine clearance with a 0.060" over piston. He also align bored the block and corrected an issue with the thrust bearing cap.

    Friday I'll be able to get him the money to order the rotating kit. We're going with one of Eagle's competition rotating assemblies which includes:

    Eagle forged 4340 internally balanced crank
    Eagle H-beam rods
    Clevite H-series bearings
    SRP forged pistons part #141636
    Milodon blueprinted high volume anti-cavitation oil pump
    Edelbrock Performer RPM aluminum heads
    Comp Cams Xtreme Marine XM278H cam
    Edelbrock Performer RPM Air Gap manifold (same as before)

    Estimated 500-550HP

    Hopefully by the end of the month I'll have the whole motor payed off and ready to assemble in April. If all goes well she should be back on the water by early-mid May.



    Quote Originally Posted by HammerDown
    Kendall L-427 Super Blu...extreme-pressure (ep) lithium complex keeps my thrusting balls happy
    Quote Originally Posted by back2k5 View Post
    Well I am putting in a nice stereo system in the Carrera...maybe Ill put on some rap and turn the scoop sideways

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  3. #2
    Is it Summer Yet?! SoCalKev's Avatar
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    Nice. Do you love in Santa Rosa, too?

  4. #3
    Sit N' Spin Jetaholic's Avatar
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    Rohnert Park



    Quote Originally Posted by HammerDown
    Kendall L-427 Super Blu...extreme-pressure (ep) lithium complex keeps my thrusting balls happy
    Quote Originally Posted by back2k5 View Post
    Well I am putting in a nice stereo system in the Carrera...maybe Ill put on some rap and turn the scoop sideways

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  6. #4
    Senior Member HighVoltage329's Avatar
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    Are you going with standard stroke 4" for a 468"?

  7. #5
    Sit N' Spin Jetaholic's Avatar
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    Quote Originally Posted by HighVoltage329 View Post
    Are you going with standard stroke 4" for a 468"?
    Yeah...didn't wanna take the chance of this block being one of the ones that has to be clearanced for the extra stroke which would've costed more in machine work.



    Quote Originally Posted by HammerDown
    Kendall L-427 Super Blu...extreme-pressure (ep) lithium complex keeps my thrusting balls happy
    Quote Originally Posted by back2k5 View Post
    Well I am putting in a nice stereo system in the Carrera...maybe Ill put on some rap and turn the scoop sideways

  8. #6
    !%@#$ Racer52's Avatar
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    man the extra stoke makes big hp difference and the time/cost for machining would have been very low. The rotating cost should have been near the same $$. You could clearance the block home with the right tools and then only have to clean before assy.

    Sounds like a good piece either way.

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