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Old 11-12-2013, 11:07 AM   #26
ironroad9c1
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Re: LT1 Motor Swap

remember the Iron LT1 heads flow almost 20% more than the aluminum ones. They are what the vortec truck heads were patterned after.
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Old 07-02-2014, 11:30 PM   #27
iceship
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Re: LT1 Motor Swap

Any one install a check engine light...
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Old 07-03-2014, 02:48 AM   #28
1981Stepside
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Re: LT1 Motor Swap

Yup. Replaced the "choke/glow plug" amber warning panel with a "service engine soon" insert from a cluster from a tbi truck. Than jumped 12v switched to the indicator lamp socket (which has no circuit board connection if it is a non-diesel truck) and connected the check engine wire from the pcm to the ground side of the lamp as the check engine light activates on a ground signal from the pcm
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