That is why we built the IA II. Save the stock block for restoring a nice car. The time and money that you spend on building a stock block, you have spent over 2k to make a block that will take 700hp for a while, but in time it will not last. For the dollar per run IA II is the only way to go. Add the resale value of an IA II motor to this equation, and you have an even better return to the investment. We added more meat in the main webs of our IA II motor and remove all of the stress risers in inside the water jackets that were in the old IA motor. It is the things that you can't see that made our block the strongest and only after market block made.
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 Bob C.
Quickest, Fastest, Best selling Pontiac Aftermarket Block IA II and Tiger Heads
Boss Bird Funny Car
Best pass to date 08/06/2016 6.027@231.64
Allpontiac Big Chief Aluminum Engine Block
http://www.AllPontiac.com
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