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How much boost?

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Old 06-02-2004, 07:32 PM
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Default How much boost?

How much boost is safe on a stock 01 5.7? It will be an intercooled Radix.
Old 06-09-2004, 11:52 PM
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We stock smaller pulleys for the Radix system. Some customers are running 8-9# without any problems but that's as far as I would go with a stock bottom end. We're doing some work with one of the major magazines. They will be trying a smaller pulley to get about 10#. It should run pretty good if they don't get any belt slippage.

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Old 06-10-2004, 07:19 AM
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Ran 7 for a while motor ran fine..... upped th eboost to 11 on a stock bottom end and finally blew a head gasket and took a chunk of the block with it.... if that wouldnt of went then 5 of the 8 pistons would of let go in the next 100 miles or so. Do a search under my name you will see them.....
Kyle
Old 06-10-2004, 09:34 AM
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we are running 17 lbs. with the sts kit and alchol inj.
Old 06-10-2004, 09:41 AM
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I would say 5-7lbs is safe...not sure I would press my luck any higher then that.

Amacgt, Alky/meth injection is a whole different ballgame then just a standard IC. What are you runnning without the alky/meth injection and pump gas?? Also your running a turbo, which is going to be different then a blower system.

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