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Old 06-27-2006, 03:10 AM   #4
tommie
97' Tahoe 2dr/2wd
 
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Join Date: Jul 2002
Location: Huffman,TX
Posts: 1,168
Re: Vortec Heads & Block

vortec sbc blocks had plastic timing chain covers, and are roller cam motors.
vortec sbc heads have 4 bolts per head for the intake...... tbi engines, have 6 intake bolts per head for the intake with the center two "canted" they are not at the same angle as the other ones. just from what you are describing, it sounds like a tbi engine
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