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Forums->Hot Heads Tech Talk-> 4 Bolt Mains

mwilson6
4 Bolt Mains


Looks like I'll upgrade to 4 bolt mains for my 8-71 blown 392 build-up. My question is, are the "severe duty" front and rear mains necessary as well, or with the center mains beef it up enough? I am asking because just the rear main is as much as the 3 interior mains and I am trying to keep the cost of this build somewhere on this planet! Engine will live in the 3-6K RPM range, with no significant track time.
Thanks.
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on: Fri 08 of Jan, 2010 [23:07 UTC] reads: 17305

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Re: 4 Bolt Mains
on: Thu 21 of Jan, 2010 [12:31 UTC] score: 0.00
> Looks like I'll upgrade to 4 bolt mains for my 8-71 blown 392 build-up. My question is, are the "severe duty" front and rear mains necessary as well, or with the center mains beef it up enough? I am asking because just the rear main is as much as the 3 interior mains and I am trying to keep the cost of this build somewhere on this planet! Engine will live in the 3-6K RPM range, with no significant track time.
> Thanks.
The front and rear severe duty caps were designed to eliminate bearing chatter that racers from Super Comp to Top Fuel were experiencing with stock caps. They work. Bob Walker


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