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· Member's Technical crew
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Nice! .. Colorado with a surprise! 5.3L truck engine? I see you have two computers? Are you using the stock 5.3 throttle body? I though you needed to use a four bolt 90mm throttle body to be compatible with the E40 pcm, needed to run a V8 in our trucks?
 

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Yea I'm running stock 3 bolt tb and it's working on my e40. No I'm not running two ecu although two are pictured in this pic. Just the e40. Just curious where you read we had to use the 4 bolt 90 mm?
 

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