Re: 1988 IROC Z28 Convertible 5 speed manual
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: starrider</div><div class="ubbcode-body">so it is the 350? whats the miles </div></div>
Beautiful IROC. ASC records show 4 produced, were these cars converted to 350's by ASC or GM assembled? I am understanding it as ASC converted. I have to agree that they are great cars, I had to pleasure of driving a GTA Trans Am from Washington to Nebraska. It was a great road car. GLWS, I would love to own it.
Sorry for the confusion.
No IROC 350s were produced with a 5 speed manual. Only automatics with the 350ci.
All official convertibles were "converted" by ASC. The cars started as T-Top coupes and were VINed as convertibles by Chevrolet. ASC did not perform "engine" conversions.
Chevrolet did not "technically" approve the 350ci engine for their convertible / but for the 4 which snuck through. However Pontiac did approve the 350ci in a rag top.
LB9 Ohv V8 195 @ 4000 295 @ 2800 TPI 9.3:1 305/5.0 IZ (w/a/t)
LB9 Ohv V8 220 @ 4400 290 @ 3200 TPI 9.3:1 305/5.0 IZ (w/man trans)
L98 Ohv V8 230 @ 4400 330 @ 3200 TPI 9.0:1 350/5.7 IZ (auto only)
This IROC has approx 67,000 orig miles.
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