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4doorjoe 10-10-2005 05:48 PM

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

coldknock 10-10-2005 05:54 PM

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.


4doorjoe 10-10-2005 06:00 PM

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

bracketeer 10-10-2005 06:01 PM

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.

56Maynard 10-11-2005 12:50 AM

Yeah, bracketeer is right. Put them studs everywhere you can on a block that old.

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