mvent
Well-Known Member
TIA
Alt. A/C belt size
- Thread starter mvent
- Start date
TIA
Is there a number on them?
mvent
Well-Known Member
Not that I can see.
There usually is. It might be hard to see as it most likely is stamped into the belt and being all black can be hard to see. I would pull them off and inspect them closely. Most auto parts stores can measure them.
They are also a "Matched Set" for the AC/WP belts
mvent
Well-Known Member
Real difficult to see with my eyes but looks like 2668778 ? Does this number make sense?
Not sure on that number. I did see a 2658793 listed for 69 and 70. Your original number should be 1533532 and it shows it at 55 inches long.
I went back to a 2019 thread of mine on AC belts. A 44” belt was almost too big and put my alternator adjustment out towards the end. A 42” set of belts was snug but has worked OK. This is on a 67 GTX with a 68 motor - not sure if any difference in brackets between the two years or not. I ended up with Dayco top cog belts, although not too original looking. Funny - you can’t see the cogs in this recent photo.
Here's a picture of the ones I replaced. You should be able to cross reference the numbers.
That most likely will be your best choice. The part number I listed is from the 68 factory parts manual. Also ask them for a matched set. They may have to order them but its the best way to do it.
lemondana
Well-Known Member
The correct number is 13651. Most places don't carry the 13 series belts anymore, they actually don't make very many of them anymore. Rock auto has Continental 13651 belts listed. 10.32 each, you have to look under the Part Number Search at the top of the page, type in 13651 for the part number and Continental for make. These won't be matched belts, but you might get lucky-and they be fairly close. PM me if you have any questions.
lemondana
Well-Known Member
Those Goodyear belts you took off are very good quality belts, better than anything you can buy today. Made in the USA. If they are not wore too bad, I would keep them and put them back on when your present belts
fly apart.
lemondana
Well-Known Member
OK.
I believe the 67 in the number on my belts is the length, or 1 1/2 inches longer than stock.
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