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Re: Need radiator, clutch and fan but have questions.
If truck has a/c or you do light towing and/or hauling a three row would be sufficient. A four row is overkill for normal driving but does give one a better sense of security. I had a two row on my 69 without a/c and never had a problem with overheating even when towing a full size tractor and bush hog with a 16' trailer in the summer.
If you are getting a fan in a salvage yard you need to be aware if the fan is clockwise or CC turning and check the clutch for signs of leaks. It should be fairly stiff when cold.
Another thing to be aware of if you are using a fan from an older engine is the water pump bolt mounting. On my six cylinder the original water pump bolt pattern is narrower. Most newer water pumps are either drilled for both patterns or have the wider pattern mounting holes.
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68 GMC 250/3 speed Saginaw p/b p/s
69 Chevy 350/350 currently in pieces still lookin for a cab
06 Trailblazer
I just want a vehicle that I can work on, that won't talk to me, leave error msgs or keep track of how I drive...
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