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Vortec intake sequence

Forum: C3 Engines, Driveline and Handling

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Vortec intake sequence

Posted: 5/30/04 3:18pmMessage 1 of 5
t
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Joined: 2/17/2003
Posts: 58
Vette(s): 1969 427 coupe 1972 350 coupe
Can anyone tell me the correct sequence to torque down the eight bolts that hold down the intake on vortec heads? I believe that it takes eleven ft. lbs. of torque, but I can't find the sequence. Thanks, Tom
tom hargrove
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Vortec intake sequence

Posted: 5/31/04 7:33amMessage 2 of 5
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CUYAHOGA FALLS, OH - USA
Joined: 12/2/2003
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Vette(s): 1975 C3 Red, T-Tops, Black Interior. All I need is time and money! Getting there!
Start at the center on one side, and go outward in a circular pattern, back and forth to both sides.
Run them down, the torque them. Then recheck the torque.
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Vortec intake sequence

Posted: 5/31/04 3:18pmMessage 3 of 5
t
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Joined: 2/17/2003
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Vette(s): 1969 427 coupe 1972 350 coupe
Thanks Ken. All my books are too old to have the pattern. Tom
tom hargrove
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Vortec intake sequence

Posted: 6/2/04 4:07pmMessage 4 of 5
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WEST SENECA, NY - USA
Joined: 12/3/2001
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Vette(s): 1981 Blue Ice Met. w/pearl ghost flames TKO500 5speed. LS1 Swap 3.45 Dana 44.
Tom,
Make sure you use a little bit of "loc-tite"
on your manifold bolts. GM recommends this due to the low torque on the bolts. They could back off leaving you with a vacuum or coolant leak.
Sarge


GEN III 5.7L "LS6" Engine swap
TKO500 5 spd.

3.54 Dana 44
'69 "N11" Sidepipes
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Born 8/1981
Sequence #3975




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Vortec intake sequence

Posted: 6/2/04 4:52pmMessage 5 of 5
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CUYAHOGA FALLS, OH - USA
Joined: 12/2/2003
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Vette(s): 1975 C3 Red, T-Tops, Black Interior. All I need is time and money! Getting there!
Good call Sarge. Just make sure to use the medium or light hold locktite. The mean stuff requires heat to get it back off.
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