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What's the different between 85-88 & 89-92 SLP runners???

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Old Feb 5, 2002 | 09:54 AM
  #1  
Jim85IROC's Avatar
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From: Readsboro, VT
Car: 85 IROC-Z / 88 GTA
Engine: 403 LSx (Pending) / 355 Tuned Port
Transmission: T56 Magnum (Pending) / T5
Axle/Gears: 3.42 / ?
What's the different between 85-88 & 89-92 SLP runners???

Is the cold start provision the only difference between these runners? I've got a chance to get some inexpensive runners from a 91 Corvette owner. I'm planning on a new fuel rail without the cold start injector provision and a PROM change to accomodate this, so not having the cold start provision on the runners doesn't bother me. Is this going to be the only difference?
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Old Feb 5, 2002 | 10:17 AM
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From: The Bone Yard
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That's what I understand (Cold Start Injector) the major difference to be. 90-92s had a different plenum too, to accomodate the MAP sensor.
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Old Feb 5, 2002 | 10:52 AM
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Jim85IROC's Avatar
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Joined: Jul 1999
Posts: 13,579
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From: Readsboro, VT
Car: 85 IROC-Z / 88 GTA
Engine: 403 LSx (Pending) / 355 Tuned Port
Transmission: T56 Magnum (Pending) / T5
Axle/Gears: 3.42 / ?
Cool. Thanks.
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