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Plenum question

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Old Oct 30, 2002 | 02:06 PM
  #1  
IROC_Canuck's Avatar
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From: Oakville, Ontario, Canada
Plenum question

will an 86 plenum fit on a 90 TPI with SD?
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Old Oct 30, 2002 | 07:40 PM
  #2  
mrr23's Avatar
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From: orlando, fl usa
Car: 1986 pontiac TA
Engine: 360 HSR
Transmission: 700r4 3300 yank converter
Axle/Gears: 3.27 9 bolt
can't see why it wouldn't. the runners will block the hole that would normally be for the ninth injector.
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Old Oct 30, 2002 | 07:52 PM
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bigals87z28's Avatar
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From: Ocean, NJ
Car: Check The Sig
the 86 will have the hole for the cold start injector... its the smaller hole under the 2 runners on the pass. rear side...
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Old Nov 1, 2002 | 10:53 AM
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91banditt2's Avatar
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From: Cincinnati,Ohio
Car: 1991 BandittII Firebird
Engine: 5.7 HSR
Transmission: 700R4
Axle/Gears: 3.27 9 bolt
you can use a early TB and plenum on a later model but you can't use a later model with an early model.
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