1975 caprice classic square headlights. - Chevy Impala Forums
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post #1 of (permalink) Old 03-15-2018 Thread Starter
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1975 caprice classic square headlights.

I have a 75 Caprice Classic with square headlights. Apparently they didn't come out withe the squares until the following year. Just wondering if it's possible that this car was build toward the end of production for 75 and the factory just slapped on the newer front end of the 76's. Trying to get as much info on this as the car was wrecked in 1989 and parked and I'm slowly putting things back together. The front end has a bit of damage that I need to take care of but I'm not sure if I should leave the squares in or replace with rounds. The car was never in any other accidents.

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post #2 of (permalink) Old 03-15-2018
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i would think anything's possible. i've read current gen challengers are coming out of the factory with extra buttons on the steering wheels and dash for options that were never installed on the cars. if they ran out of current year production and was close enough to the new year production/had the new production laying around they may have thrown those parts on. i remember a 89 or 92 grand am had to specify which brake pads they needed as there was a mid year change and the newer pads were the only ones that fit the calipers installed on that car.

do you know the production month/year? might give you some clues as to how far into that year of production your car was (can be found on the inside of the drivers door or through the vin tag possibly). dealership can decode vin tags for free if someone doesn't have a vin tag decoder online already. a quick google search found this: 1975 Chevrolet Vehicle Identification Numbers (vin).
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Look for the compliance plate on the driver door pillar or maybe the trim tag under the hood. The build month and year should show up on one of those.

This stuff happens in transition years.

There are 1979 GM CK series squarebody pickups with square headlamp 1980 grilles and headlamps and 1980 squarebodies with round headlight grilles. I'm sure the supply chain at various plants plays a role. 79 should be round 80 should be square headlamps.

I've seen 1978 G series Vans with square and round headlamps and 1979 G series vans the same way. 1978 should be round 79 should be square. Either fits.

Accident damage and easy availability is another factor.

If you can get the hood along with the rad support and all the parts forward from the rad support with the round headlamps I'd go for it. If you want to keep the square lamps then keep searching for the replacements for your damaged pieces.

Do a quick search on Car-part.com

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post #4 of (permalink) Old 03-17-2018
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That was definitely back in the less-than-completely-standardized years for GM. Nowadays, to find something which isn't completely consistent with factory-specified option packages is really unusual - back then, is another story. That being said, I would still lean towards old accident damage being repaired with different parts. Possibly damaged at the dealership pre-sale and repaired or repair shortly after the car was sold. There are some body repair people out there who are THAT GOOD that their work can be indistinguishable from original, especially if the damage was clean and easily replaced.

Truthfully, you may never know.
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