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gary williams (aka young mopar) [ View ] [ Email ] [ Car Ads ] [ Blogs ] waco, Texas

im fixin to have my 318preped and punched 40 over and want to out do engine masters (i like the sound of 550 plus horses) and run a 8-71 BUT every blower manufactuer recomends 4 bolt mains do i need to or can i get away with it also did they even make such a block?

Comments

Posted by bigdude  -  04/25/2008 07:59 PM I dont think they did in a 318-and to get 550 hp better put in a hemi. resident know it all [ View ] [ Email ] [ Blogs ] [ Car Ads ] Three Rivers, Michigan Charter Member since January 2004   Posted by Tony57  -  04/25/2008 08:38 PM I was told one time by race car motor builder that he likes to mod two bolt main blocks. The 4 bolt blocks make the crank move up and down alot with alot of rpms. With to bolt blocks he will drill and tap on the ends of the crank caps.for added strength. Tony57 [ View ] [ Email ] [ Blogs ] [ Car Ads ] Hillsboro, Missouri   Posted by Streetrodder007  -  04/25/2008 08:57 PM I dont believe they had 4 bolt mains from the factory, but their is alot of after market companies that make the conversion. And yes you can run a blower on a small mild engine, maybe a 6-71 thats under driven 10-20% , even with mostly stock components. I would really factor in the cost of doing this build. 318's are certainly not a true work horse motor, they were reliable, and conservative engines for every day driven cars and trucks. Plus the cost of maching for 4 bolt mains will be expensive. I hate to stray you from your idea, but I would consider buying a "B" series engine to build, such as the big block / raised deck version of the 383, lots of stock power, fairly inexpensive, and there is way more performance parts available than there is for a 318. Streetrodder007 [ View ] [ Email ] [ Blogs ] [ Car Ads ] Port Huron, Michigan Charter Member since April 2006   Posted by BigAlBre  -  04/26/2008 03:59 PM I have a 413 smog motor for sale ) Big Al sittin back in paradise. [ View ] [ Email ] [ Blogs ] [ Car Ads ] St Pete Beach, Florida Charter Member since June 1999   Posted by scooting  -  04/26/2008 06:31 PM Didn't they have 4 bolt mains in a 340? Can you use that block? scooting [ View ] [ Email ] [ Blogs ] [ Car Ads ] Elkridge, Maryland   Posted by young mopar  -  04/30/2008 12:36 AM thanks for all the good info it really adds to the info i was givin to me from some one who just recently built a copy of the engine masters 318 and uses it in a dirt car he said that 400 is awsome power from a enexpensive small block and that i should stick to theengine masters build if im gonna keep the 318 and ill heed his advice b-cuz i already have all the parts young mopar [ View ] [ Email ] [ Blogs ] [ Car Ads ] waco, Texas

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