Here is a good chart of maximum bolt torques based on grade

http://www.dansmc.com/torque_chart.htm

On 6/14/2012 6:44 AM, Bill M wrote:
> Having installed a couple of these kits I found that carriage
> bolt to be of poor quality myself. I replaced it with a 10.9
> bolt from my parts bin. It's a nice product still and worth
> installing.
>
> Bill
>
>
> On Jun 14, 2012, at 12:15 AM, pickle vanagon<greenvanagon@GMAIL.COM>  wrote:
>
>> GoWesty makes this nice kit to beef up the alternator bracket connection:
>> http://www.gowesty.com/ec_view_details.php?id=4454&category_id=&category_parent_id=
>>
>> The carriage bolt that comes with the kit seems to be a very low grade.  I
>> stripped the threads on mine very easily.  And multiple people at thesamba
>> have had issues as well:
>> http://www.gowesty.com/ec_view_details.php?id=4454&category_id=&category_parent_id=
>>
>> (GoWesty was very nice about replacing my bolt but said the hardness was
>> not an issue even though it was perhaps only class 4.8 or so,