Dana 44 knuckle question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

sandking · 10-13-2008, 08:12 PM

I am looking for replacement knuckles for my '72 Blazer. The knuckles I sold have the numbers 35686 and 35687. What do these numbers represent? I need new knuckles, but the ones I am looking at have a different number number at 35663 and 35664, but look the same. Are they still the same? Thanks.

**kwmech** · 10-13-2008, 08:30 PM

Check the taper where the tie rod goes into the knuckle. Does it taper from the top or bottom? 1972 should be from the top

sandking · 10-13-2008, 09:09 PM

Yeah, its tappered from the top. Larger hole on the top side. I just want to make sure the difference in the casting numbers are still the same knuckle. I will be drilling the holes for a 3/4 bolt/heim anyway. Thanks.

sandking · 10-14-2008, 08:38 AM

Anybody know the difference? Does the number have something to do with the date?

**kwmech** · 10-14-2008, 10:38 AM

No difference that I can think of, unless the replacement is not of a flat top casting. Either way it should work just fine

sandking · 10-14-2008, 08:48 PM

OK, thanks.

10-13-2008, 08:12 PM	#1
sandking .....I am working on it..... Join Date: Jul 2007 Location: Anaheim Hills, Ca Posts: 960	Dana 44 knuckle question I am looking for replacement knuckles for my '72 Blazer. The knuckles I sold have the numbers 35686 and 35687. What do these numbers represent? I need new knuckles, but the ones I am looking at have a different number number at 35663 and 35664, but look the same. Are they still the same? Thanks. __________________ . . . . . View my build thread HERE

10-13-2008, 08:30 PM	#2
kwmech Senior Member Join Date: Mar 2003 Location: Colfax-California Posts: 8,659	Re: Dana 44 knuckle question Check the taper where the tie rod goes into the knuckle. Does it taper from the top or bottom? 1972 should be from the top

10-13-2008, 09:09 PM	#3
sandking .....I am working on it..... Join Date: Jul 2007 Location: Anaheim Hills, Ca Posts: 960	Re: Dana 44 knuckle question Yeah, its tappered from the top. Larger hole on the top side. I just want to make sure the difference in the casting numbers are still the same knuckle. I will be drilling the holes for a 3/4 bolt/heim anyway. Thanks. __________________ . . . . . View my build thread HERE

10-14-2008, 08:38 AM	#4
sandking .....I am working on it..... Join Date: Jul 2007 Location: Anaheim Hills, Ca Posts: 960	Re: Dana 44 knuckle question Anybody know the difference? Does the number have something to do with the date? __________________ . . . . . View my build thread HERE

10-14-2008, 10:38 AM	#5
kwmech Senior Member Join Date: Mar 2003 Location: Colfax-California Posts: 8,659	Re: Dana 44 knuckle question No difference that I can think of, unless the replacement is not of a flat top casting. Either way it should work just fine

10-14-2008, 08:48 PM	#6
sandking .....I am working on it..... Join Date: Jul 2007 Location: Anaheim Hills, Ca Posts: 960	Re: Dana 44 knuckle question OK, thanks. __________________ . . . . . View my build thread HERE



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