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496 bbc ???

 
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rb69
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Joined: 11 Jun 2007
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PostPosted: Wed Nov 04, 2009 8:08 pm    Post subject: 496 bbc ??? Reply with quote

Currently have a 496 a 2 bolt block w/ 5cc pistons & milled 049 heads. Looking to upgrade it w/ dart Pro 1 230 119cc heads that I have for it. Scat 4340 crank & H beam rods w/ bottom end studded w/ ARP fastners.

Should I have 4 bolt caps installed while its down? Also looking to up the compression in the range of 13 to 14-1 & a cam change from a Reed solid roller 292/302 dur. & 624/634 lift @110 center.
Motor in a 3400 lbs. chevelle

Thanks for your suggestions!!!
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hitchcock
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PostPosted: Thu Nov 05, 2009 5:46 pm    Post subject: Reply with quote

My builder told me he has a 496 in a seven second dragster with two bolt mains. You just have to use good studs. But, if you have any doubt and the motor is gonna be apart anyway, its a judgment call. Good luck.
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73 vette 496, tunnel ram pro systems 950's and way too much cam!
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rb69
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PostPosted: Thu Nov 05, 2009 8:11 pm    Post subject: Reply with quote

Does the weight of the door car figure into using a 2 bolt over a rail car??
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hitchcock
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PostPosted: Sat Nov 07, 2009 8:46 am    Post subject: Reply with quote

rb69 wrote:
Does the weight of the door car figure into using a 2 bolt over a rail car??

Thats a good question, but I dont know the answer.
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73 vette 496, tunnel ram pro systems 950's and way too much cam!
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PWMAX
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PostPosted: Sat Nov 07, 2009 9:27 am    Post subject: Reply with quote

There might be something to a 2 bolt living better in a dragster, vs a heavier door car. consider a marine application, that have big loads put on them vs a car. Sorta the same thing

Frank
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