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Bonneville GXP/ Northstar Powered Cars Discuss your Bonneville GXP and/or any other Northstar powered Olds or Cadillac... Including the 3.5L Twin Cam V6 (Short Star ) 4.0L and 4.6L Northstar V8's. Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 04-01-2008, 08:15 PM   #1
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Default 2005 GXP Towing

Why does the manual say NO TOWING for V8 but V6 is OK? Is it a lack of transmission cooling, or gear ratios?

There'* aftrermarket tow hitches available for all Bonny'*, what'* the deal with the GXP/V8?

I have a small, 1600#, boat that I'd like to tow..

help
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Old 04-01-2008, 09:45 PM   #2
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I highly doubt there'd be an issue. If you find it necessary, add an oversized transmission cooler.

Also, I would think with the rather tall ratio given in the 4T80-e, you'd have an additional advantage for towing.
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Old 04-01-2008, 11:45 PM   #3
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I bought my GXP used and it had a tow hitch on it. It only had 12K miles on the car. I hoped the previous owner used it for a bicycle rack or maybe a waverunner and not anything heavy. I took the hitch off and gave it to another BC club member.
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Old 04-02-2008, 02:23 PM   #4
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I wonder if it is because the lower profile tires on the 18" rims can't support the additional weight? It'* hard to imagine the V8 drivetrain couldn't handle it. If it'* an issue with load on the tires, as long as the trailer is reaonably balanced there should not be a problem.
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