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Old 05-13-2010, 08:24 AM   #29
4 Rivet Member
1976 Argosy 28
Eckville, Lacombe County , Alberta
Join Date: May 2010
Posts: 446
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I just got hold of GM and they directed me to their vintages dept. Then told me they would charge $52.50 for the info pertaining to my vehicle but that might not include all I want to know.
This is proving more difficult than I could have imagined!


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Old 05-17-2010, 06:42 AM   #30
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1966 24' Tradewind
1995 34' Excella
Lynchburg , Virginia
Join Date: Sep 2009
Posts: 2,134
Beginner- Some how the numbers just don't add up, but maybe I have missed something. My G20 van is supposedly a 3/4 ton with a GVWR of 6,600 lbs. Your G30 van is one ton with a CGVWR of 12,500. A reasonable assumption might be that your fully loaded van with trailer attached (assume 500 lbs tongue weight) weighs 7,500 lbs. With a CGVWR of 12,500 lbs your max trailer weight is 12,500-7500+500 (tongue wt) = 5,500 lbs. So if you can only tow 5,500 lbs with a G30 one ton van, I would not exceed 4,500 lbs with a G20 3/4 ton van.

Bex- My 08 Tundra 1/2 ton has a CGVWR of 16,000 lbs. It will easily tow twice what my G20 van will tow as it has Twice the hp, lots more torque and a 4.3 rear end with a 6 speed transmission. It does not make much sense to me that my 08 1/2 ton truck has can tow 3,500 more lbs than a G30 1 ton van. The weak link in your G20 van is the low 195 hp and the 3.42 rear end. I think in 1995 or so the power was increased substantially to about 250 hp but that does not help you. I would say that your loaded van is going to be bumping or even higher than the GVWR of 6,600 lbs, so I would not consider towing any trailer heavier than about 5,000 lbs.

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