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LS1 TB vs stock 5.3 truck TB

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Old 01-28-2011, 04:03 PM
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Default LS1 TB vs stock 5.3 truck TB

any one ever put an LS1 stock TB on a 5.3 truck motor? what would the difference be? ie diameter, IAC and TPS mounting locations, etc. thanks for the input!
Old 01-29-2011, 08:20 PM
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I've done the reverse (5.3 on ls1) they are exactly the same other then how the coolant cross over tubes are bent and the lengths of them and the hole in the throttle blade is a bit bigger on the ls1.
Old 01-29-2011, 09:07 PM
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sweet, i wont even waste my time, tango mike
Old 01-30-2011, 01:15 PM
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Originally Posted by CamdLS1'00SS
sweet, i wont even waste my time, tango mike
Yup there is no gains as far as I know, the only reason I swapped mine is because I ported my 5.3 tb



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