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Old 11-16-2012, 06:45 AM
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Quote:
Originally Posted by ap72 View Post
Any good 350 short block should be able to handle 400hp/tq. If you can I would try to get a block with roller cam provisions, 4 bolt mains, and flat top pistons. Those three things will give you a great set up to build a strong engine down the road. If you can I'd also spring for 6" rods, a nodular or cast steel crank, and the best balance job you can get. A high volume oil pump is a cheap upgrade and while it may not be absolutely needed, it's cheap insurance. If you can afford it forged pistons with a thin ductile iron or steel ring set are also great.

Getting all of the things I recommended will set you back a good amount, keep in mind there is a BIG difference between a run of the mill reman enigne and a top notch custom built engine.

Going cheap isn't a crime, but if you want to get something really nice I'd look for the things I mentioned. A 3.75" stroke may be a consideration too.
I'm with you until you get to the 6" rods and needing a 4 bolt main.Ring spacers because of pin placement and mm ring sizes for long mileage use on the street isn't what I would suggest.Two bolt blocks for street use at 400 hp would be fine.If later he wanted more,he could go the splayed mains which would be a much stronger part than a OEM 4 bolt.
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