Need help with my 5.7 vortec build

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TimLsX

Newbie
Joined
May 30, 2016
Messages
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Location
Houston
Can someone help me out please has anyone cammed out your 5.7 vortec everyones telling me that ima have to change out my whole throttle body to carburetor i have a 1999 chevy suburban i did pushrods springs and it has a 264/274 cam i was gonna tune it but a friend told me it wasnt gonna run right even though i had it tuned?
 
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