Re: R2500 versus C2500?

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Posted by wws ( on 23:06:55 01/06/08

In Reply to: R2500 versus C2500? posted by Scottie

: ... Can anyone explain to me how an R2500 differs from a C2500? Also, I understand that if you wanted the big block and older blocky body style, this was the year to have because the 454 was improved. Anyone know details?

Normally, "C" indicates 2wd and "K" indicates 4wd. However the 1988 - 1991 model year Suburbans (and full-sized Blazers) were a bit different. GM introduced the new line of pickup trucks in 1988, but kept the older body style for the SUVs until 1992. During the transition years, to avoid confusion, the Suburbans/Full-sized Blazers were called "R" and "V" for 2wd and 4wd respectively.

So a C2500 would indicate a 3/4 ton 2wd chassis either before 1988 or after 1991. An R2500 would indicate a 3/4 ton 2wd chassis between 1988 and 1991.

As for engines, the 454 was available on 2wd models from 1973 to 1999. Significant improvements in 1987 (or 88?) with TBI injection instead of a carb. And another significant bump in 1996 with the Vortec (including multiport EFI) technologies.

Chassis-wise, from '92 onwards, the front end has 'independent front suspension'. This makes for a more comfortable ride.

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