interchanging fenders by years

Its about time to put new fenders on my blazer, I was wondering if the 81-87 fenders would be a direct bolt on, or if I have to swap everything, (hood, cowl, radiator support) If anyone has done this let me know.
Thanks.

blzn74
 

75

PlowSite.com Addict
I've gone the other way - used my '75 front clip on an '81 cab - but to do what you're thinking I believe the following will be required:

First off, the entire front clip that you mention - rad support, hood, cowl etc.

Second, because the hood hinges are different it will be necessary to cut a slot in the cowl area of your '74 cab to accomodate them. The picture shows the cowl area on the '81 cab I am using for my K-35 project. Also note that the hood hinges bolt to the cab, not the fender. What isn't visible (because I have already welded them up) are the holes for the cowl piece to attach to the cab.

The wiper drive is also a little different - everything more or less bolts up the same but the wiper studs are longer on the 81 - 87 version. Naturally, the bolt holes aren't an exact match but you can make the wiper drive assembly work - in this thread is a bit more info on that, although again it deals with using the newer cab on the older style truck:

http://www.plowsite.com/showthread.php?threadid=5439

If you do want the newer front end on your Blazer, I would suggest getting a complete donor truck for the front clip and using it as a pattern to make the required modifcations to your Blazer body.

I have seen this done - a tow truck that got some frame work done in the welding shop recently had a '70's cab with mid - '80's front end. Now, they had done somewhat of a "butcher job" with the installation but it is possible.

So it's not an impossible task, just a bit of detailed work required. Good luck with the swap!

k-35 cab right front cowl detail.jpg
 
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