Identifying a true Iroc-Z
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Junior Member
Joined: Jan 2007
Posts: 20
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Identifying a true Iroc-Z
Does the vin tell if the car is a true Iroc. The car I am looking at is supposed to be a 1985 iroc. Vin 1G1FP87F4FN162877. ANY HELP WOULD BE APPRECIATED.
Joined: Aug 1999
Posts: 19,282
Likes: 103
From: Lawrence, KS
Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: Identifying a true Iroc-Z
You might consider a search as the topic has been covered countless times. The RPO is B4Z.
JamesC
JamesC
Joined: Mar 2007
Posts: 1,698
Likes: 3
From: NE Pennsylvania
Car: 85 Iroc-Z
Engine: 383 TPI Procharger D1SC
Transmission: TKO600
Axle/Gears: Strange S60 3.73
Re: Identifying a true Iroc-Z
If it has B4Z on the rpo sheet and the vin # on the dash and rpo sheet match then it is an IROC-Z.
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