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Old 10-10-2005, 06:48 PM
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400 sbc question

HI guys could some one tell me if a 400 sbc 2 bolt main is a small journal or large journal thanks for your time joe

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Old 10-10-2005, 06:54 PM
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All 400's had 2.65" main journals, 0.020" larger than the 350's. The rod journals are 2.100", same as the 350's.

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Old 10-10-2005, 07:00 PM
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400sbc question

thanks for the reply the reason i asked the question was to find out what to order for main cap bolts from arp large or small journal so it would be large journal thanks again
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Old 10-10-2005, 07:01 PM
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The rear main cap is fairly thin and weak. It is safer to use an oil pump stud instead of a bolt. If you crack the cap your screwed.
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Old 10-11-2005, 01:50 AM
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Yeah, bracketeer is right. Put them studs everywhere you can on a block that old.
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