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LQ4 throttle body vs LS1 throttle body.

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Old 11-27-2007, 11:08 PM
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Default LQ4 throttle body vs LS1 throttle body.

Any difference in these two? I have a complete LQ4 that just arrived, and want to know if I should sell the TB or not for an LS1 TB.

Anyone?
Old 11-28-2007, 12:06 AM
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If its a cable driven one then the housings are the exact same. The throttle cam is the same as 98-99 ls1's. The vacuum port is slightly longer and both coolant tubes are straight unlike ls1's that have one straight and one 90 degree.

It will directly bolt up to any 98-99 car with slight modifications. Tim



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