went with this instead, should be able to handle some power
http://modularpowerhouse.com/product_info.php?cPath=93_21&products_id=175&osCsid=56338893583d8633cc5489b4f1fc8a30
Now my insurance is trying to only pay for a used 60,000 mile long block, that they found. WTF? wont even use the shops price quote for a new short block.