Originally Posted by DarkShadow
according to my info, in 91 the regal had the 3.8 vin L (l27 tuned port injection 3800)
so no it is not the same engine that is in your bonneville.
I believe you are correct...
The Vin will be the dead giveaway... The 8th didget should be an L for the L27 ( Tuned Port Injection 3800 )
The Vin C used in the 88-91 Bonnevilles were almost the same engine as the Tuned Port Injection 3800, with the one exception being that the Tuned Port had better breathing ability
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