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89 rcsb upgrades

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Old 08-28-2011, 06:59 AM
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ls swap
Old 08-28-2011, 07:39 PM
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go over to FSC and on the performance page there is a sticky labeled Ultimate TBI, it gives directions on how to modify your TBI to perform better. You can also add injector pod spacers and a throttle body spacer.

On 96+ trucks throttle body spacers are a gimmick because we have a dry intake, but on TBI with a wet intake they supposedly work OK and give some gains from what I've heard.
Old 08-30-2011, 10:20 PM
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what about my 4.8 in it?? possible???
Old 08-30-2011, 11:43 PM
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possible
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