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lukefalls · 11-13-2011, 11:14 PM

Yes, 69-87(91 Blazer/Sub) all have the same spring width in the front. If you find a 3/4 ton rear that is 73+, you'll need to move the spring perches. 1 Tons are the same as 67-72

11-13-2011, 11:14 PM	#6
lukefalls Registered User Join Date: Feb 2011 Location: Fairbanks, Alaska Posts: 86	Re: 67 K20 Final Drive Ratio... Yes, 69-87(91 Blazer/Sub) all have the same spring width in the front. If you find a 3/4 ton rear that is 73+, you'll need to move the spring perches. 1 Tons are the same as 67-72