TBI and TPI Ignition Control Modules Different?
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Joined: May 2012
Posts: 437
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From: Arcadia, OK
Car: 1990 Pontiac Firebird Formula
Engine: L31 350 TPI
Transmission: Tremec TKX
Axle/Gears: 3.23 Posi
TBI and TPI Ignition Control Modules Different?
Is there a difference between the ICM installed on a TPI and TBI engine distributor? I'm trying to track down an intermittent "cut out" problem with my TBI converted to TPI 5.0. I replaced the distributor last summer and I'm sure it doesn't have an ACDelco ICM, so I thought maybe I could pull the ICM out of my old distributor (which was replaced due to major rust/corrosion) and install in my new distributor. RockAuto and Amazon both spec a different ICM for TBI (non-HEI?).
Last edited by rt66er; Mar 21, 2019 at 08:25 PM.
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