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Anyone dyno before/after tb porting?

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Old 03-11-2008, 02:39 PM
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Default Anyone dyno before/after tb porting?

Has anyone see the 6 to 12 rwhp increase with throttle body porting, this is for a stock 99 tb and ls6 intake?
Old 03-11-2008, 02:54 PM
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You are going to get 4-7 HP but you will notice the crisper throttle responce more than anything else from that mod...
Old 03-11-2008, 03:49 PM
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Search on it. Slowhawk did a back to back dyno test on it a while back.




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