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post #1 of (permalink) Old 04-28-2004, 10:24 AM
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Tech Specs

I'm looking for tech specs for the 86 Blazer S-10 Tahoe edition. We inhereted this truck and I have now seen that it has some off-road prowress rivaling my Jeep. I have learned so far that we have a limited slip in back (C10 axle), an NP307 xfer case, and its the 2.8L fuel injected version. I'm loving this truck, but I'm interested in the ring and pinion sizes offered, the gear ratios, what front axle, ect. (Yes, I could look at the axle, but it's not here).

Thanks guys,
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post #2 of (permalink) Old 04-29-2004, 07:59 PM
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Re: Tech Specs

Look for the RPO codes list usually found in the glove box. Write them down, then do a search for GM RPO codes on the internet. These will tell you what the blazer came with originally. If any previous owner changed things, you won't be able to find out unless you actually get in your vehicle and look.

I used to have a link to a webpage with RPO codes for GM vehicles but I can't find it now. Sorry.

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post #3 of (permalink) Old 04-30-2004, 05:08 PM
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Re: Tech Specs

I used this page to find my RPO codes. When you open the page, you'll have to go to the bottom of it. There's some drop-down menus with various GM codes.
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