Converting two bolt main block to a fourbolt main...
Converting two bolt main block to a fourbolt main...
Is it possible to convert the block over to a four bolt main with the motor still installed? Other than dropping down the K-member is it possible to do it? Just curious if anyone had tried to do it.
Re: Converting two bolt main block to a fourbolt main...
Originally Posted by taylorcrzy
Is it possible to convert the block over to a four bolt main with the motor still installed? Other than dropping down the K-member is it possible to do it? Just curious if anyone had tried to do it.
Re: Converting two bolt main block to a fourbolt main...
why would you want to, switching from a 2 bolt to a 4 bolt doesn't really matter untill you are making a good amount of power, enough power where you would have to have the motor out to accomplish it.(excluding power adders)
Re: Converting two bolt main block to a fourbolt main...
Originally Posted by taylorcrzy
Is it possible to convert the block over to a four bolt main with the motor still installed? Other than dropping down the K-member is it possible to do it? Just curious if anyone had tried to do it.
Re: Converting two bolt main block to a fourbolt main...
Originally Posted by shoebox
The hardest part would be trying to fit a machine shop underneath the car.
Clearly he already has that part solved, in order to do enough engine mods to require a 4-bolt in the first place...
Re: Converting two bolt main block to a fourbolt main...
Originally Posted by FastLt1
You could probably do ARP studs without removing engine and be as strong as stock 4 bolt.
Re: Converting two bolt main block to a fourbolt main...
Best listen to them. It was just a thought. I did it on a old SBC. But didn't know about torque plates and align honing. Just wanted something harder to blow up.
Re: Converting two bolt main block to a fourbolt main...
Originally Posted by bmwmcars
Not sure if this is accurate or not, but 3 machine shops have all told me that even doing studs requires line bore/hone, since it changes the clamping force applied to the caps.
That is accurate. It needs to be align honed if you install studs.
Rich
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Richardan15
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May 30, 2015 08:36 AM



