speedo gear change
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iTrader: (7)
Joined: Jun 2004
Posts: 489
Likes: 2
From: Chicago south suburbs
Car: 1988 IROC-Z28
Engine: L98(383tpi) modified
Transmission: 700R4 rebuilt
Axle/Gears: 3:73 10bolt rebuilt
speedo gear change
Does anyone know where can get the correct speedo gear for my 88' IROC 700r4.
I currently have the 2:73 gear in the trans, but I have since replaced my old 2:73 9 bolt with a 3:73 10 bolt.
I currently have the 2:73 gear in the trans, but I have since replaced my old 2:73 9 bolt with a 3:73 10 bolt.
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
Member
Joined: Nov 2007
Posts: 145
Likes: 1
From: London, Ontario, Canada
Car: 1983 Z28
Engine: 355 SBC Vortec heads
Transmission: 700R4
Axle/Gears: 3.42 Posi
Re: speedo gear change
Try Bowtie Overdrives...... http://www.700r4.com/tech/tcc/ I used their calculator then went to a local shop and found all the gearing I needed for 20 bucks................
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